42 Knocknashee, Goatstown, Dublin 14
Demolition of existing rear structures and construction of a new full-width single-storey rear extension.
D14B/0303 · Dun Laoghaire Rathdown County Council · Lodged 27 August 2014
- Reference
- D14B/0303
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 27 August 2014
Summary
AI-generatedThe project involves the demolition of an existing single-storey flat-roofed extension, boiler house, and shed to the rear of the dwelling. In their place, a new full-width single-storey extension featuring both pitched and flat roof sections with roof lights will be constructed.
- Storey
- 1
Generated from the description above by an AI model and may contain mistakes. The council’s description is the authoritative record.
Official record
Development description
Permission for development at an existing detached four-bedroom single dwelling; (i) the demolition of an existing single-storey flat-roofed extension, of an existing single-storey flat-roofed boiler house and of an existing flat-roofed shed, all to the rear of the existing dwelling; (ii) the construction of a new single storey extension to full width of the rear of the existing dwelling, the extension to feature both pitched-roof and flat-roof sections, with the new rear roofs to include roo...
Land-use zoning
What this land is zoned for
“A To provide residential development and improve residential amenity while protecting the existing residential amenities”
Objective set by the COUNTY DEVELOPMENT PLAN 2022-2028 (2022–2028). The planning authority decides each application on its own merits — this is the zoning context, not a compliance assessment.
Read the zoning objectives in the development planBuilt & sold
What happened next
Beyond the decision: whether this development was built, and what property here has sold for.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 41 Knocknashee, Goatstown, Dublin 14 | Jan 2026 | €1,580,000 | 14 m |
| 18 Birchfield Park, Birchfield, Goatstown Dublin 14not full market price | Dec 2025 | €500,000 | 82 m |
| 57 Knocknashee, Goatstown, Dublin 14not full market price | Sept 2025 | €420,000 | 83 m |
| 50 Knocknashee, Goatstown, Dublin 14 | Dec 2025 | €1,310,000 | 97 m |
| 9 Knocknashee, Goatstown, Dublin 14 | Mar 2025 | €1,360,000 | 102 m |
| 3 Birchfield Heights, Goatstown, Dublin 14 | Feb 2025 | €763,000 | 124 m |
| 23 Birchfield Park, Goatstown, Dublin 14 | May 2025 | €871,000 | 159 m |
| 20 Eden Park Road, Dundrum, Dublin 14 | Apr 2025 | €1,035,100 | 198 m |
Nearby properties, not this site — a guide to local values.
Sources: Building Control Management System (commencement notices) and the Residential Property Price Register, licensed under CC BY 4.0. Records are matched to this application by location and may not be exhaustive; always confirm against the official source before relying on them.
Key dates
Timeline
- Application received27 August 2014
- Decision issued20 October 2014
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Granted50 m away
Permission for domestic extensions and alterations to existing detached dwelling. The extensions and…
26, Knocknashee, Goatstown, Dublin 14
D13B/0385Dún Laoghaire–RathdownLodged 4 Dec 2013Extension
- Granted60 m away
Permission for a single storey extension to the rear
16 Knocknashee, Dublin D14 Y729
D16B/0241Dún Laoghaire–RathdownLodged 8 Jun 2016Extension
- Granted70 m away
Retention permission is sought for a 28.26m2 ground floor extension to the rear of the building to include…
58, Knocknashee, Goatstown, Dublin 14, D14VY20
D22B/0476Dún Laoghaire–RathdownLodged 23 Nov 2022Retention
- Granted90 m away
The development will consist of: Demolition of existing kitchen and boilerhouse to rear (20.8 sq m);…
88 Knocknashee, Goatstown, Dublin 14, D14X236
D22A/0519Dún Laoghaire–RathdownLodged 15 Jul 2022Extension
- Granted90 m away
The removal of two-rooflights on the south roof pitch and installation to 3No. new rooflights on the north…
87, Knocknashee, Goatstown, Dublin, D14ND72
D26B/0057/WEBDún Laoghaire–RathdownLodged 29 Jan 2026Alterations
- Granted100 m away
Planning Permission to construct extensions and alter elevations (Attic conversion) and construct garden shed…
50, Knocknashee, Goatstown, Co Dublin, D14KV04
D26B/0281/WEBDún Laoghaire–RathdownLodged 11 May 2026Extension
- Refused110 m away
The development will consist of — Widening of existing access gate and railings to accommodate vehicular…
3, Campfield Terrace, Dundrum, Dublin 14, D14C8K8
D25A/0642/WEBDún Laoghaire–RathdownLodged 16 Aug 2025Alterations
- Granted110 m away
Permission for development which will consist of the provision of a first floor extension to the side of the…
1, Birchfield Heights, Goatstown, Dublin 14
D09B/0497Dún Laoghaire–RathdownLodged 7 Dec 2009Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedExtension
Permission for the following development, an existing semidetached two-storey five-bedroom single dwelling;…
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D21B/0471Dún Laoghaire–RathdownLodged 7 Sept 2021
- GrantedExtension
Permission for the development of a 42.7sqm ground floor extension and a 26sqm first floor extension to the…
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D19B/0411Dún Laoghaire–RathdownLodged 6 Sept 2019
- GrantedExtension
Permission for Demolition of existing single storey garage / boiler house on side boundary; Demolition of…
2 Haddington Lawn, Glenageary, Co. Dublin A96 Y5D8
D20A/0666Dún Laoghaire–RathdownLodged 18 Sept 2020
- GrantedExtension
Permission is sought for development consisting of the demolition of (i) existing ground floor extension and…
2, Eagle Hill, Blackrock, Co. Dublin, A94N2T1
D22B/0449Dún Laoghaire–RathdownLodged 24 Oct 2022
- GrantedExtension
Permission for development consisting of: (1) The demolition of the single storey extensions to the rear and…
Amberley, Kill Lane, Foxrock, Dublin 18
D13A/0519Dún Laoghaire–RathdownLodged 17 Dec 2013
- GrantedExtension
Permission for development consisting of — Demolition of flat roof to existing single story element to rear
4 Farmleigh Close, Stillorgan, Co. Dublin A94KA06
D19A/0472Dún Laoghaire–RathdownLodged 4 Jul 2019
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