53 Sycamore Road, Mount Merrion, Co Dublin
Demolition of a rear extension and construction of a new single and two-storey extension with dormer windows.
D17B/0504 · Dun Laoghaire Rathdown County Council · Lodged 8 November 2017
- Reference
- D17B/0504
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 8 November 2017
Summary
AI-generatedThe project involves the demolition of an existing single-storey rear extension. It proposes a new single and two-storey extension to the side and rear, new rear dormer windows for an attic conversion, closing an existing front loggia, and a new front triangular dormer window.
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
- Demolition of existing single storey extension to rear
- Construction of a new single and two-storey extension to the side and rear of the existing semi-detached house
- New dormer windows to rear serving existing attic conversion
- Closing in existing covered loggla to front of house
- Canopy roofs at ground floor level to front, side and rear of house
- Insertion of new triangular dormer window to front elevation to sycamore road
- New velux roof light t
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.
Built — construction complete
A commencement notice records works starting on 30 July 2018.
Notified floor area: 255 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 29 Sycamore Road, Mount Merrion, Co Dublin | Sept 2025 | €1,785,000 | 155 m |
| 117 The Rise, Mount Merrion, Dublin | Mar 2025 | €1,701,001 | 165 m |
| 56 Trees Rd, Mount Merrion, Blackrock | Apr 2025 | €1,285,000 | 209 m |
| 31 Trees Rd, Mount Merrion, Blackrock | Nov 2025 | €1,740,000 | 223 m |
| 2 Cherrygarth, Mount Merrionprice excludes VAT | Oct 2025 | €881,057 | 237 m |
| 56 Thornhill Oaks, Mount Merrionprice excludes VAT | Mar 2025 | €775,330 | 248 m |
| 4 Cherry Garth, Mount Merrion, Blackrock | Aug 2025 | €1,650,000 | 252 m |
| Apt.28 - Thornhill Oaks, Cherry Garth - Mount Merrion, Blackrock | Jul 2025 | €999,999 | 295 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 received8 November 2017
- Decision issued9 January 2018
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
The applicants intend to apply for permission for the development of an existing semi-detached dwelling at…
51, Sycamore Road, Mount Merrion, Blackrock, Dublin, A94K8X7
D25A/0121/WEBDún Laoghaire–RathdownLodged 18 Feb 2025Extension
- Granted40 m away
Permission is sought for demolition of existing single storey structure to rear and bay window to side; and…
50, Sycamore Road, Mount Merrion, Co. Dublin
D18B/0388Dún Laoghaire–RathdownLodged 30 Aug 2018Extension
- Granted40 m away
Permission for the demolition of existing single storey garage conversion, the construction of a single…
24 Trees Road Lower, Mount Merrion, Co Dublin
D16A/0092Dún Laoghaire–RathdownLodged 15 Feb 2016Extension
- Granted50 m away
Demolition of single storey extension, including the conservatory to the rear, the construction of a single…
20, Trees Road Lower, Mount Merrion, Co. Dublin
D10B/0159Dún Laoghaire–RathdownLodged 7 Apr 2010Extension
- Granted50 m away
Permission for development consisting of the removal of chimney to rear roof and the provision of an extended…
20, Trees Road, Mount Merrion, Co. Dublin
D13B/0220Dún Laoghaire–RathdownLodged 21 Jun 2013Alterations
- Granted50 m away
Planning permission is sought for development consisting of the following: modifications to front elevation…
20, Trees Road Lower, Mount Merrion, Co. Dublin
D17B/0185Dún Laoghaire–RathdownLodged 13 Apr 2017Extension
- Granted50 m away
Permission is sought for — New Dormer window to rear of existing house
22, Trees Road Lower, Mount Merrion, Blackrock, Dublin, A94N7F4
D24B/0192Dún Laoghaire–RathdownLodged 26 Apr 2024Extension
- Granted50 m away
Two storey extension to rear of existing dwelling and the conversion and extension of attic for use as…
11, Trees Road Lower, Mount Merrion, Co. Dublin
D04B/0225Dún Laoghaire–RathdownLodged 24 Mar 2004Extension
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 development of the site, consisting of the following principal elements — Demolition of…
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D18A/0372Dún Laoghaire–RathdownLodged 25 Apr 2018
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D18A/0006Dún Laoghaire–RathdownLodged 13 Mar 2018
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D18A/0705Dún Laoghaire–RathdownLodged 26 Sept 2018
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Planning permission for development which will consist of — Demolition of the single storey extension to the…
42, Green Road, Blackrock, Co. Dublin
D12A/0146Dún Laoghaire–RathdownLodged 19 Apr 2012
- GrantedExtension
Demolition of existing single storey extensions to the rear, construction of single storey extension to the…
97, Sycamore Road, Finglas, Dublin 11, D11 E284
WEB1520/18Dublin CityLodged 10 Oct 2018
- GrantedExtension
Permission for development consisting of: (1) demolition of single storey extension to the side of the…
9, Hyde Park, Dalkey, Co. Dublin.
D13B/0298Dún Laoghaire–RathdownLodged 9 Sept 2013
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