21, Sycamore Road, Mount Merrion, Co. Dublin
Demolition of a garage and rear extension to build a part-single, part-two-storey extension.
D11A/0161 · Dun Laoghaire Rathdown County Council · Lodged 1 April 2011
- Reference
- D11A/0161
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 1 April 2011
Summary
AI-generatedThe development involves the demolition of an existing garage and rear extension. A new part-single, part-two-storey extension of approximately 58.7 sq.m will be built to the side and rear, alongside widening the vehicular entrance gates.
- Floor area
- 59 m²
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 sought for demolition of existing garage and rere extension and construction of a part single and part two storey extension of total area c. 58.7sq. M. To the side and rear of the existing semi-detached house, with widening existing vehicular entrance gates and driveway and with ancillary siteworks and landscaping, all on a site of area c. 0.0677 ha.
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 |
|---|---|---|---|
| 29 Sycamore Road, Mount Merrion, Co Dublin | Sept 2025 | €1,785,000 | 52 m |
| Seven Churches, Glendalough, Co Wicklow | Sept 2025 | €351,000 | 167 m |
| 117 The Rise, Mount Merrion, Dublin | Mar 2025 | €1,701,001 | 205 m |
| 4 Dualla Court, Stillorgan Rd, Stillorgan | Jan 2025 | €485,000 | 226 m |
| Apt 6, Fortwilliam, Mount Merrion Ave | Jun 2025 | €460,000 | 252 m |
| 18 Greenfield Road, Mount Merrion, Blackrock | Oct 2025 | €1,350,000 | 272 m |
| 31 Trees Rd, Mount Merrion, Blackrock | Nov 2025 | €1,740,000 | 288 m |
| 28 Merrion Hall, Mount Merrion Ave, Blackrock | Feb 2025 | €600,000 | 291 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 received1 April 2011
- Decision issued23 May 2011
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- GrantedAt this site
Permission sought for revisions to proposed extension approved under Reg. Ref. D11A/0161, to the side and…
21, Sycamore Road, Mount Merrion, Co. Dublin
D11A/0346Dún Laoghaire–RathdownLodged 21 Jul 2011Extension
- GrantedAt this site
Construction of single and two storey extension to rear, small (2.6m x 3m) frestanding garden room retreat,…
23, Sycamore Road, Mount Merrion, Blackrock, Dublin, A94E3P2
D23B/0422Dún Laoghaire–RathdownLodged 12 Dec 2023Extension
- GrantedAt this site
Permission for the increase in width of existing vehicular entrance, new entrance gates, modifications to and…
23 Sycamore Road, Mount Merrion, Co Dublin
D19A/0185Dún Laoghaire–RathdownLodged 15 Mar 2019Alterations
- GrantedAt this site
Retention of the widening of existing vehicular means of access to a width of 3.6m to the front of the two…
9, Sycamore Crescent, Mount Merrion, Co. Dublin
D08A/0840Dún Laoghaire–RathdownLodged 21 Jul 2008Retention
- Granted60 m away
The development will consist of the construction of a 2 storey side extension comprising games room and…
12, Sycamore Crescent, Mount Merrion,Blackrock, Co. Dublin
D07B/0796Dún Laoghaire–RathdownLodged 6 Sept 2007Extension
- Part granted, part refused60 m away
Permission is sought for development which will consist of the following works: Removal of single storey…
78, The Rise, Mount Merrion, Co. Dublin
D12B/0345Dún Laoghaire–RathdownLodged 26 Oct 2012Extension
- Granted60 m away
Permission is sought for construction of a two storey extension of area c 58.7 square metres to the rear of…
31, Sycamore Road, Mount Merrion, Co. Dublin.
D08B/0321Dún Laoghaire–RathdownLodged 29 Apr 2008Extension
- Granted60 m away
For internal refurbishment, two storey extension to side and rear, single storey extension to rear and attic…
14, Sycamore Road, Mount Merrion, Co. Dublin
D05B/0790Dún Laoghaire–RathdownLodged 8 Nov 2005Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
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D21A/0610Dún Laoghaire–RathdownLodged 30 Jun 2021
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Permission for development consisting of the demolition of single storey garage to rear, erection of a 94 sqm…
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D14A/0239Dún Laoghaire–RathdownLodged 21 Jul 2014
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Permission sought to — demolish existing single storey garage extension to side of the existing two storey…
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D07B/0135Dún Laoghaire–RathdownLodged 24 May 2007
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Permission is sought for alteration and extension of the existing two storey semi-detached house, comprising…
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D21B/0607Dún Laoghaire–RathdownLodged 8 Nov 2021
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Permission sought for demolition of existing attached garage and side sheds to existing 2 storey…
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D06A/1933Dún Laoghaire–RathdownLodged 20 Dec 2006
- GrantedExtension
Permission for alterations and extension to two storey semi-detached dwelling consisting of demolition of…
10 Ardmahon Estate , Well Road , Cork
2543693Cork CityLodged 4 Mar 2025
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