Development plan · Dún Laoghaire-Rathdown County Council
Dún Laoghaire-Rathdown County Development Plan 2022–2028 – Written Statement
The council's development plan written statement: its strategy, policies, objectives and development standards. Variations adopted since are not in this text.
Dún Laoghaire-Rathdown County Council · 2022–2028 · 380 pages
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- 12.9 Environmental Infrastructure 12.9.1 Air Pollution In considering applications for planning permission the Planning Authority will have regard to the ‘Local Government (Planning and Development) General Policy Directive’ (1988), (as may be amended from time to time) issued by the Minister for the E to air quality standards nationally, and to the ‘Air Quality Management Plan for the Dublin Region’ (Refer also to Section 10.4). 12.9.2 Noise Pollution and Noise Nuisance The Planning Authority will have regard to the ‘Dublin Agglomeration Environmental Noise Action Plan 2018-2023’, when assessing planning applications along major road and rail transport corridors – the objective being to reduce noise from new sources and to identify and protect and create areas of low sound levels. Residential development should be set back from roads/rail lines such that amenities of residents are not unduly impacted upon by reason of noise. To address potential noise issues at post development stage, mitigation measures should be undertaken, where appropriate, between the residential development and road/rail line. At design stage consideration should be given to the location of bedrooms so as to ensure the least possible impact from noise sources. Similar mitigation measures may also be required when dealing with commercial development in close proximity to residential areas where there may be noise generated from the completed development – such developments will be assessed on a case by case basis. Noise nuisance is defined in Section 108 of the EPA Act 1992 as “Any noise which is so loud, so continuous, so repeated, of such duration or pitch or occurring at such times as to give reasonable cause for annoyance to a person in any premises in the neighbourhood”. The Planning Authority will use the Development Management process for larger developments or developments close to residential developments: M To attach planning conditions on relevant permissions granted to reduce or prevent the development from causing any noise or vibration that might give reasonable cause for annoyance to persons in any premises in the neighbourhood, as per Section 34(4)(c) of the Planning Act. M To require developers to produce a Sound Impact Assessment and Mitigation Plan where a noise-generating use is proposed and specialist input is deemed necessary, for any new development that the Planning Authority considers will impact negatively on pre-existing environmental sound levels. M To require developers to produce an Acoustic Design Assessment (informed by guidance such as is set out in ‘ProPG Planning and Noise’, 2018, as referenced in the ‘Dublin Agglomeration Noise Action Plan 2018 – 2023’), where a noise-sensitive use is proposed in an area that may have high pre-existing environmental sound levels. M To ensure that future developments are designed and constructed in such a way as to minimise noise disturbances and prevent noise nuisance. M Placing acoustic barriers between the noise source and residential units. M Locating bedrooms as far away from noise sources as possible without compromising passive design principles. M Locating windows away from noise sources if possible. M Avoid hard exterior surfaces such as concrete paving that reflect sound rather than absorbing it. M Locating noise sources away from property boundaries and noise sensitive areas. M To incorporate ‘Shared Spaces’/ ‘Home Zones’/ or ‘Streets for People’ in new developments, which recognize that residential streets have multi- function uses for pedestrians, cyclists and vehicles - in that priority order. M To interposing less-sensitive uses between noise sources and sensitive uses. Where noise barriers are provided at the boundaries of large developments, access routes must be provided to allow for the ongoing maintenance of the barriers. 12.9.3 Noise, Odour and Vibration Generating Uses In considering applications for development where the proposed use may cause noise, vibrations and air emissions (for example, gyms, public houses, leisure facilities, restaurants and retail) applicants will be required to demonstrate that consideration has been given to the ventilation strategy for buildings at the design stage, to prevent noise, to minimise the causing of any noise or vibration that might give reasonable cause for annoyance to persons in any premises in the neighbourhood, as per Section 34(4)(c) of the Planning Act, and air emissions that may cause nuisance from equipment and ducting. The design of buildings and services should consider and incorporate acoustic attenuation and mitigation as required, to ensure that the operational phase of the development does 293Development ManagementChapter 12
- not generate unacceptable noise levels or odour nuisance within the receiving environment. Evidence of same by way of a noise assessment and/or any mitigation measures should be provided in any planning application. Assessments and mitigation measures should meet the requirements of the Environmental Health Officer and will be designed to prevent a Noise Nuisance. All sound measurement should be carried out in accordance with ISO Recommendation 1996:2008: Acoustics - Description and Measurement of Environmental Noise, or any subsequent superseding standards. In terms of the visual impact of positioning plant associated with mechanical extract ventilation/ ducting on the exterior of a building, such plant shall be detailed, as relevant, in the planning application, including any screening proposals. 12.9.4 Construction Management Plans Construction Management Plans (CMP) for developments generating construction activity - containing measures to mitigate against the effects of the construction - shall accompany planning applications for development of 3 residential units or more and for all other developments measuring more than 500 sq.m. gross floor area. The requirement to submit a CMP is very much dependent on the location, scale, nature, and characteristics of the proposed development. Consequently, the stated thresholds above may be increased or relaxed at the discretion of the Planning Authority during pre-planning stage discussions. The CMP will address issues such as traffic management, hours of working, delivery times, prevention of noise and dust, reinstatement of roadway lining and signing, repair of damage to footways and grass verges and the accommodation of worker parking within the development curtilage. Hours of construction and deliveries should normally be in accordance with the guidance set out in Section 12.9.5 below. Refer to Section 12.9.6 below for more detailed requirements of the CMP. Construction in the vicinity of the Luas needs to appropriately take the light rail infrastructure into consideration. In this regard construction management should be guided by the TII’s ’Light Rail Environment – Technical Guidelines for Development PE-PDV-00001’, December 2020 and any subsequent updates of same. 12.9.5 Hours of Construction In the absence of a Construction Management Plan approved by the Planning Authority hours of construction shall be as follows: M Site development and building works shall be restricted to 7.00am to 7.00pm Monday to Friday and 8.00am to 2.00pm Saturdays. Deviations from these times will only be allowed in exceptional circumstances. No works shall take place on site on Sundays or Bank Holidays. M There shall be no access onto the site before 7am or after 7pm in the absence of an approved deviation. M In certain instances, in order to address site specific issues of impact on residential or other sensitive amenity a later start time and/or different hours may be conditioned. 12.9.6 New Development/Change of Use - Environmental Impacts The Development Management Thresholds Information Document 2022 - 2028 (Appendix 3), a tool to assist in the preparation of Planning Applications, identifies thresholds for both residential and commercial development and outlines the package of environmental information that will be required at application stage.1 Applications for developments with a site area measuring 0.5ha, or greater and above 50+residential units shall include a Stormwater Audit in accordance with the Council’s Stormwater Management Policy. (See Appendix 7.1 Stormwater Management Policy) Applications for developments of 10+ residential units or <500sq.m. commercial shall include: M A Construction Management Plan that includes the following elements (which can be standalone documents): i. A Construction Waste Management Plan. ii. A Construction Environmental Management Plan. iii. A Construction Traffic Management Plan. M An Operational Waste Management Plan. The formulation of the above plans shall take account of the following: i. DLR Guidance Notes for Environmental Management of Construction Projects. ii. DLR Guidance Notes for Waste Management in Residential and Commercial Developments (see relevant excerpt in Appendix 6). 1 While construction management plans may be submitted at application stage the final Construction Management Plan is usually agreed by way of compliance condition as details such as location of compounds, construction traffic flow etc. are only finalised upon appointment of a contractor. 294dlrcoco | County Development Plan 2022-2028
- Applications for developments of 20+ residential units or ≥500sq.m. commercial shall (in addition to the above): M Submit, prior to commencement of development, details of a Sediment and Water Pollution Control Plan in relation to the construction phase of such developments. M Implement an appropriate rodent/pest control plan. Applications for developments of 50+ residential units or ≥1000sq.m. commercial shall (in addition to the above): M Incorporate where appropriate land for the development of local ‘Bring Centres’ for recyclable materials, accessible to the general public. The location of “bring centres” shall have regard to the impact on surrounding residential areas. M Include an assessment of the impacts of climate change on their development and make provision for these impacts - particularly relating to drainage design, waste management, and energy use. M Be designed and constructed in accordance with the provisions of the Greater Dublin Strategic Drainage Study policy document titled ‘New Development’. All developments shall incorporate: M Designs and layouts for basements and underground car parks that do not result in any potential for them to flood from within or without with particular emphasis on venting arrangements and access ramps. M Sustainable Drainage Systems (SuDS) that balances the impact of urban drainage through the achievement of control of run-off quantity and quality and enhances amenity and habitat. The requirements of the UK’s Construction Industry Research and Information Association (CIRIA) ‘SuDS Manual’, shall be followed unless specifically exempted by the Planning Authority. M Waste storage facilities that are suitably located and designed and shall meet accessibility requirements in accordance with Part M of the Building Regulations and the provisions of Appendix 6 Waste Storage Facilities. The Planning Authority will: M Not permit culverting of streams unless considered absolutely necessary by the Council’s Water Services Section. M Encourage the opening up of existing culverts where practicable (in accordance with the recommendations of the GDSDS). M Require in developments adjacent to watercourses, that any structure be set back a minimum distance of 10 metres from the top of the bank to allow access for channel cleaning and maintenance, unless otherwise agreed with the Planning Authority. M Only permit development when satisfied that new and existing developments are not exposed to increased risk of flooding and that any loss of flood storage is compensated for elsewhere in the catchment. Where required, a site-specific Sustainable Drainage Measures 295Development ManagementChapter 12
- Flood Risk Assessment and Management Plan, shall be prepared for the site. This shall be carried appropriately qualified engineers with significant experience in flood modelling and mapping. M When considering planning applications which include significant hard surfacing, attach conditions which seek to minimise and limit the extent of hard surfacing and paving as well as requiring the use of sustainable drainage techniques, including in particular permeable paving or surfaces such as gravel or slate chippings. The aim generally being to reduce run-off rates and flow volumes from parking areas as well as access roads. For all developments where existing grass or planted areas are being removed to install hard surfacing (for parking or other uses), compensatory soft surfacing shall be provided, or a reinforced grass area used instead of a hard surface. M Ensure that the ongoing development of the County is undertaken in such a way in order not to compromise the quality of surface water (and associated habitats and species) and groundwater. Developments shall not give rise to the pollution of ground or surface waters both during construction and subsequent operation. This shall be achieved through the adherence to best practice in the design, installation, and management of systems for the interception, collection and appropriate disposal or treatment of all surface water and effluents. M Where brownfield redevelopment is proposed, require adequate and appropriate investigations to be carried out into the nature and extent of any soil and groundwater contamination and the risks associated with site development work. 12.9.7 Waste Management Infrastructure facilities and refuse transfer stations In considering planning applications for privately operated Waste Management Infrastructure facilities and refuse transfer stations the Council will have regard to the provisions of the appropriate European Council Directives together with appropriate national legislation, regulations and guidance documents in respect of disposal of waste and disposal of toxic and dangerous waste. The Irish Aviation Authority will be consulted regarding potential interference to aviation through bird hazard in relation to such facilities. Where permission is granted, stringent conditions will be imposed in the interest of health, safety, and preservation of amenities. The provision of Waste Management Infrastructure facilities shall adhere to the Waste Regional Offices ‘Waste Management Infrastructure Siting Guidelines’. Waste Management Infrastructure facilities and refuse transfer stations will only be permitted where it does not materially detract from the relevant Land Use Zoning Objective and is at a scale appropriate to its surrounding environment and adjoining amenities. 12.9.8 Telecommunications In the consideration of proposals for telecommunications antennae and support structures, applicants will be required to demonstrate: Honeypark 296dlrcoco | County Development Plan 2022-2028
- M Compliance with the Planning Guidelines for ‘Telecommunications Antennae and Support Structures’ (1996), and Circular Letter PL 08/12 issued by the Department of the Environment and Local Government (as may be amended from time to time), and to other publications and material as may be relevant in the circumstances. M On a map the location of all existing telecommunications structures within a 1km radius of the proposed site, stating reasons why (if not proposed) it is not feasible to share existing facilities having regard to the ‘Code of Practice on Sharing of Radio Sites’, issued by the Commission for Communications Regulation. M To what degree the proposal will impact on the amenities of occupiers of nearby properties, or the amenities of the area - e.g. visual impacts of masts and associated equipment cabinets, security fencing treatment etc. – and the potential for mitigating visual impacts including low and mid – level landscape screening, treetype masts being provided where appropriate, colouring, or painting of masts and antennae, and considered access arrangements. M Any impacts on rights-of-way and walking routes. M That the proposal shall not have a significant negative visual impact. 12.9.9 Development and Overhead Power Lines In relation to high voltage overhead electricity lines, development proposals within the distances specified below should contact the ESB in advance of completing or finalising designs etc. (i.e. prior to pre planning stage), so as to ensure that the relevant clearances are maintained from any High Voltage Overhead Electricity (HV OHL) Infrastructure. M For buildings in proximity to a 110kv overhead line, 23 metres either side of the centre line of a pylon. M For buildings in proximity to a 220kv overhead line, 30 metres either side of the centre line or around a pylon. M For buildings in proximity to a 400KV line, distance of 35 metres either side of the centre line or around a pylon. For buildings in proximity to a 10kv or a 38kv overhead line, no specific distance is specified. However, a site specific clearance may be required. Clearances are Site and Transmission Line Span Specific. Clearance are sperate to construction safety clearances to be adhered to and maintained from the Overhead Line (OHL), which are specified in the ESB publication, ‘Code of Practice for avoiding danger from overhead electricity lines’ https://www.hsa.ie/eng/publications_and_forms/ publications/codes_of_practice/code_of_practice_ for_avoiding_danger_from_overhead_electricity_ lines.html. 12.9.10 Public lighting 12.9.10.1 Light Pollution Lighting columns and other fixtures can have a significant effect on the appearance of buildings and the environment and where proposals for new lighting require planning permission, the Planning Authority will ensure that they are carefully and sensitively designed. Lighting fixtures should provide only the amount of light necessary for the task in hand and shield the light given out in order to avoid creating glare or emitting light above a horizontal plane. (Refer also to Section 8.2.4.4 and Section 5.1.3.2) For further guidance refer to the Institution of Lighting Professions (ILP) ‘Guidance Notes for the Reduction of Obtrusive Light’. 12.9.10.2 Street Lighting The lighting of roads and public amenity areas shall be provided in accordance with the requirements of Public Lighting Standards BS5489-1 EN 13201:2015, and further updates. In general, for security and road safety reasons, street lighting may be provided for car and cycle parking areas, new access roads and along cycle/ pedestrian routes within new developments, all as per the Council requirements. Details of the column height and spacing, and lantern type, lighting class and lux levels and energy efficiencies shall be provided. Low pedestrian lighting bollards (1 metre to 2 metre height), under rail lighting and low-level wall mounted lighting (below 4m) are not recommended along pedestrian routes on electrical safety and maintenance grounds. Where new junctions are created as a result of new developments, additional lighting poles may be required on the public roads opposite the junction. In such cases an assessment of the adequacy of the street lighting should be undertaken with details of light intensity/ lux levels provided. Street Lighting shall also be considered having regard to any signage, associated lighting or any other structure along roads running parallel to or buildings alongside the railways. In this regard reference, to and requirements of TII’s ‘Code of engineering practice for works on, near, or adjacent the Luas light rail system’ and TII’s Light Rail Environment - Technical Guidelines for Development PE-PDV-00001 December 2020 (or any superseding document) should be made. 297Development ManagementChapter 12
- 12.10 Drainage, Flood Risk and Coastal Erosion All planning applications submitted shall clearly show existing and proposed water supply arrangements and surface and wastewater drainage proposals having due regard to SuDS (Refer also to Section 10.2.2.6). 12.10.1 Flood Risk Management Applications shall adhere to the policies and objectives set out in Appendix 15 Strategic Flood Risk Assessment and Section 10.7 Flood Risk while having regard to ‘the ‘Planning System and Flood Risk Management’ Guidelines for Planning Authorities’ DEHLG (2009) and DECLG Circular PL2/2014. The Flood Zone maps accompanying this Plan and Appendix 15 should be consulted at pre-planning stage and/or prior to lodgement of planning applications. 12.10.2 Coastal Issues - Erosion/ Flooding/ Recreation 12.10.2.1 Erosion and Flooding The Planning Authority will refer to the Coastal Defence Strategy or any review in the assessment of planning applications in the areas identified within the strategy as being at risk from erosion and/or coastal flooding. Where possible, the landward migration of coastal features, such as cliffs and marshes, shall be facilitated as these features form an integral part of the coastal system – both physically and ecologically – and provide protection against wave energy through dissipation. 12.10.2.2 Water Sports and Development The Planning Authority will normally only permit proposals for development associated with water sports where all the following criteria are satisfied: M Proposed facilities are fully compatible with any existing use of water, including non-recreational use. M Will not result in damage to sites of nature conservation importance or features of archaeological and built heritage. M Can be satisfactorily integrated into its seascape, landscape or townscape surroundings. M Will not have an unacceptable impact on visual amenity especially in Areas of Special Amenity, Search by Ciarán Taylor & Carpet Theatre, Culture Night 2019 Photo: Peter Cavanagh 298dlrcoco | County Development Plan 2022-2028
- or other locally important scenic areas. M Will not result in over intensification of use leading to pollution, excessive noise and nuisance. M Will not unduly restrict access to the water. M Development complies with the Habitats Directive. See also Policy Objective GIB7: National Marine Planning Framework (NMPF). 12.10.3 Waste Water Treatment Systems 12.10.3.1 Single dwelling domestic wastewater treatment systems Consideration of single dwelling domestic wastewater treatment systems in those areas not served by a public foul sewerage system will be subject to full compliance with the EPA Code of Practice Domestic Wastewater Treatment Systems (Population Equivalent ≤ 10) (March 2021), as may be amended or updated. A site suitability assessment shall be undertaken in accordance with the EPA Code of Practice Domestic Wastewater Treatment Systems (Population Equivalent ≤ 10) (March 2021), for new systems or upgrades of a system on an existing house. In addition, for new development(s) located in areas of “high” to “extreme” groundwater vulnerability (this includes areas in Rathmichael, Kiltiernan and Glencullen and may include other areas in the County) and where the provision of a single wastewater density of Domestic Wastewater Treatment Systems (DWWTS) results in a density of higher than 6 per hectare further assessment is required including: M The potential impact of the proposed system should be further assessed to show that the accumulative loading would not have a negative impact on groundwater quality, particularly with respect to E. coli and nitrate. M In such cases, more detailed hydrogeological investigations should be carried out by a competent and experienced hydrogeologist to demonstrate that the site is suitable for a DWWTS. M Particular attention should also be paid to the potential impact that the proposed DWWTSs may have on watercourses, drains/ditches, ponds/lakes and foreshore, depending on the location of the site. M In larger scale residential developments within areas of “high” to “extreme” groundwater vulnerability, the hydrogeological assessment should be conservative and take into consideration the potential impact that the overall proposed development may have on groundwater and surface water. M For clarity in determining the 6 per hectare density, only the areas within the immediate site boundaries of dwellings in close proximity to prospective sites shall be calculable. 12.10.3.2 Non-domestic wastewater treatment systems Consideration of non-domestic wastewater treatment systems in those areas not served by a public foul sewerage system will be subject to full compliance with EPA Wastewater Treatment Manuals (‘Treatment Systems for Small Communities, Business, Leisure Centres and Hotels’). In areas of high to extreme groundwater vulnerability (this includes areas in Rathmichael, Kiltiernan and Glencullen and may include other areas in the County), further hydrogeological assessment shall be undertaken by a competent and experienced hydrogeologist, which assessment should demonstrate to the satisfaction of Dún Laoghaire-Rathdown County Council that the proposed treatment system serving the proposed development will not have any detrimental effect on surface water or groundwater quality. M Should the proposed discharge be greater than 5m3/d, a discharge licence to groundwater will be required and a successful assimilative capacity assessment will have to be undertaken in line with the EPA (2011) “Guidance on the Authorisation of Discharges to Groundwater”. The tier of assessment (i.e. 2 or 3) required will be dependent on the potential risk of impact and the proposed daily discharge. M Should a discharge to surface water be considered or should surface water be considered as a receptor at risk, the assimilative capacity should follow the technical rules established in the “Guidance, Procedures and Training on the Licensing of Discharges to Surface Waters” (Water Services National Training Group, 2011)”. Information on Groundwater data mapping and Groundwater protection responses are available on the GSI website (https://www.gsi.ie) and Appendix E of the EPA Code of Practice Domestic Wastewater Treatment Systems (Population Equivalent ≤ 10) (March 2021) and should be used as a resource tool. Wastewater treatment systems shall be located entirely within the site boundary. The Council will liaise with Irish Water to ensure compliance with existing licenses, the Urban Waste water Directive and the EU Habitats Directive. 299Development ManagementChapter 12
- 12.11 Heritage 12.11.1 Archaeological Heritage All development proposals that may (due to their location, size, or nature) have implications for archaeological heritage shall be accompanied by an Archaeological Impact Assessment and Method Statement. This assessment will require the applicant to: M Clarify the significance of the site - in accordance with Section 3.6 of the Government’s ‘Framework and Principles for the Protection of the Archaeological Heritage’. M Define the buffer area or area contiguous with the monument which will preserve the setting and visual amenity of the site. M Address measures that will be taken to protect the significance of the site. M Identify the likely impact of the proposed development on any archaeological fabric and suggested mitigation measures to address these impacts. M Pre-development archaeological testing, surveying, monitoring and recording, where appropriate, shall be carried out and submitted by a qualified archaeologist. In addition to the Government’s ‘Frameworks and Principles for the Protection of the Archaeological Heritage’, regard should be had to the Heritage Council’s guidance document ‘Archaeology and Development: Guidelines for Good Practice for Developers’, (2000). M If a monument included in the Record of Monuments and Places (RMP) lies within the open space requirement of any development, a Conservation Plan for that monument may be requested as part of the overall Landscape Plan for that proposed open space. All planning applications and other development proposals which are in, or might affect, sites and features of historical and archaeological interest, shall be referred to the Minister through the Department of Arts, Heritage and the Gaeltacht and to the Heritage Council. In considering such planning applications, the Planning Authority will have regard to the views and recommendations of the National Monuments Service, Department of Arts, Heritage and the Gaeltacht and other interested bodies. 12.11.2 Architectural Heritage - Protected Structures The inclusion of a structure in the Record of Protected Structures does not prevent a change of use of the structure, and/or development of, and/ or extension to, provided that the impact of any proposed development does not negatively affect the character of the Protected Structure and its setting (Refer also to Section 11.4.1). Any works which materially affect the character of a Protected Structure requires planning permission. Owners and occupiers proposing to carry out any works to a Protected Structure can seek a declaration under the provisions of Section 57 of the Planning and Development Act, 2000, as amended. Section 57 declaration sets out the type of works which would or would not materially affect the character of the structure or any element of the structure which contributes to its special interest. All development proposals potentially impacting on Protected Structures shall have regard to the Department of the Arts, Heritage and the Gaeltacht ‘Architectural Heritage Protection Guidelines for Marlay House 300dlrcoco | County Development Plan 2022-2028
- Planning Authorities’ (2011). The refurbishment, re-use and, where appropriate, redevelopment of Protected Structures, and their setting, shall not adversely affect the character and special interest of the building. International guidance on the protection of places of cultural heritage significance is provided by ICOMOS (International Council on Monuments and Sites). ICOMOS Charters set a standard of practice for those who provide advice, make decisions about, or undertake works to places of cultural significance, including owners, managers, and custodians. The ICOMOS Burra Charter 2013, also provides guidance on new works and changes to places of cultural significance, all guidance herein has regard to this charter. All planning applications for works to a Protected Structure must include an Architectural Heritage Impact Assessment in accordance with Appendix B of the DAHG ‘Architectural Heritage Protection Guidelines for Planning Authorities’, to assist in the assessment of proposals. This report should be prepared by an accredited conservation architect or equivalent (a list of suitably qualified professionals is available on the Irish Georgian Society and RIAI websites). The report should: M Outline the significance of the building(s). M Include a detailed survey of the building identifying all surviving original/early features and associated photographic survey. M Include a method statement and specification of works. M Details of proposed works should be clearly identified on the accompanying survey drawings by way of colour coding and/or annotated notes to distinguish clearly between the existing structure and the proposed work. The detail required to be submitted will be dependent on the significance of the building and the nature and extent of works proposed. It may be of benefit to discuss specific requirements, with the Conservation Officer, at pre-planning stage. 12.11.2.1 Works to a Protected Structure In assessing works (inclusive of extensions/ alterations/ change of use etc.) to a Protected Structure, the Planning Authority will seek to ensure that: M Alterations and interventions to Protected Structures shall be executed to the highest conservation standards and shall not detract from their significance or value. Interventions should be kept to a minimum and all new work should relate sensitively to the fabric, scale, proportions, and design of the Protected Structure. Works should follow a cautious approach of changing as much as necessary but as little as possible. M Original features of architectural and historic interest will be retained. Lost features where evidence exists should be reinstated. M The legibility of the original plan form should be retained and not compromised by any unsympathetic works. Where the original plan form has been lost or heavily modified, it should be reinstated, where possible. M New work should be readily identifiable as such, and must respect, and have minimal impact on the architectural character and interest of the Protected Structure. M New additions/extensions should respect the significance of the building/structure, through consideration of its siting, bulk, form, scale, character, colour, textures and material. Imitation/replications should generally be avoided. M Works should consider the evolution of the structure and later phases of work, which may also contribute to its special character. Evidence of additions, alterations, and earlier treatments to the fabric of the Protected Structure are traces of its history and use(s), which may be part of the building’s historical significance. M Works to the interior shall be sensitive to the original fabric including the hierarchy of spaces, materials and fixtures and fittings. Where bathrooms, en-suites and kitchens are proposed to be introduced/relocated within the Protected Structure, they should avoid principal rooms and not impact on the spatial character and volume of the room. M All works should be carried out to the highest possible standard, under supervision of a qualified professional with specialised conservation expertise. On-site operatives/ contractors should have experience dealing with historic buildings. M Appropriately scaled extensions should complement, and be subsidiary to, the main structure be positioned generally to the rear elevation or less prominent elevation. Full width extensions will not normally be permitted, particularly where the composition and form of the elevation is negatively impacted upon. M Good conservation practice recommends that extensions should be legible i.e. clearly distinguishable from the original so as not to confuse the historical record, be to a high standard of design, and using material that both respect and are complementary to the existing building. M Demolition, partial demolition, or significant removal of structural fabric of rear returns is not generally acceptable. Where a rear return forms part of a unified terrace and/or contributes to its architectural character, any 301Development ManagementChapter 12
- works that will disrupt or distort the uniformity should be avoided. M The use of traditional and compatible materials will be used for any repairs to ensure the historic fabric is not negatively impacted by any proposed works. M External fittings (such as meter boxes, ventilation grilles, security cameras, burglar alarms, cables) should be sited to minimise their visual impact and should not be affixed to the principal elevation. Where this is unavoidable, fixtures and associated fittings should utilise any vertical or horizontal lines, i.e. channelling the wires along rainwater goods and mouldings. M All planning applications will be referred to the Department of the Arts, Heritage and the Gaeltacht and the prescribed bodies. The Planning Authority will have regard to the advice and recommendations received from the prescribed bodies, both in respect of whether or not to grant planning permission and in respect of the conditions to which permission, if granted, should be subject. M The special interest of the structure is not compromised when meeting the requirements of Building Regulations. Those that are particularly relevant to works in relation to historic buildings are Part B ‘Fire Safety’ and Part M ‘Access and Use’. Applications for works to meet the requirements of the Building Regulations shall be guided by the principles of minimum intervention to the historic fabric. M In considering proposals to meet Part M regard should be had to the Department of Art, Heritage, and the Gaeltacht advice series ‘Access: Improving the Accessibility of Historic Buildings and Places’, (2011). 12.11.2.2 Change of Use of a Protected Structure In most instances the original use for which a structure was built will be the most appropriate. However, in certain cases a change of use may be considered appropriate and may help to safeguard the Protected Structure status of a building. In assessing a proposed change of usage, or the reuse of a redundant building, regard should be had to the compatibility of such use, in terms of its impact on the character, and special interest of the structure. All proposed changes of use must comply with the zoning objectives for the site. Any interventions that are necessitated by such works, should seek to cause minimum interference with the floor plan, and fabric of the building when complying with relevant Building Regulations. Matters such as, fire protection, sound proofing, servicing and access will require detailed consideration at initial design stage. 12.11.2.3 Development within the Grounds of a Protected Structure Any proposed development within the curtilage, attendant grounds, or in close proximity to a Protected Structure, has the potential to adversely affect its setting and amenity. The overall guiding principle will be an insistence on high quality in both materials, and design, which both respects and complement the Protected Structure, and its setting. Any development must be consistent with conservation policies and the proper planning and sustainable development of the area. Considering recent changes to National Policy, (including the Sandyford House and new dwelling adjacent to the Protected Structure 302dlrcoco | County Development Plan 2022-2028
Source Dún Laoghaire-Rathdown County Council: Dún Laoghaire-Rathdown County Development Plan 2022–2028 – Written Statement (2022–2028) · Licence the publisher's termsText read from the publisher’s PDF; tables, maps and drawings do not survive as text, and page numbers are the PDF’s (its first page is 1). Check the original before relying on a passage.