13 Saint Helier's Copse, Stillorgan Park, Blackrock, Co Dublin
Demolition of a side garage to build a single-storey side and rear extension.
D15B/0302 · Dun Laoghaire Rathdown County Council · Lodged 23 July 2015
- Reference
- D15B/0302
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 23 July 2015
Summary
AI-generatedThis application seeks the demolition of an existing domestic garage to the side of a two-storey end-of-terrace house. In its place, a single-storey extension will be built to the side and rear, complete with roof lights.
- Storeys
- 2
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 the demolition of the existing domestic garage to the side of the existing two storey end of terrace dwelling, the construction of a single story extension to the side and rear complete with roof lights to the rear facing roofs, the provision of a roof light to the rear of the main roof, minor internal and external elevational alterations.
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 16 March 2016.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 12 St Heliers Copse, Stillorgan Park, Blackrock | Apr 2026 | €1,000,000 | 28 m |
| 14 Coppinger Wood, Stillorgan Park, Blackrock | Sept 2025 | €1,050,000 | 123 m |
| 7 Meadow Court, Stillorgan Park, Dublin | May 2025 | €445,000 | 131 m |
| 41 Cloister Ave, Blackrock, Dublin | Feb 2025 | €853,000 | 131 m |
| 43 Cloister Ave, Blackrock, Dublin | Feb 2026 | €826,500 | 140 m |
| 7 Grove Paddock, Blackrock, Dublin | Feb 2026 | €1,550,000 | 143 m |
| 53 Stillorgan Park, Blackrock, Dublin | Oct 2025 | €1,325,000 | 155 m |
| 84 Avoca Park, Avoca Avenue, Blackrock | Oct 2025 | €1,450,000 | 167 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 received23 July 2015
- Decision issued15 September 2015
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Invalid30 m away
Demolition of existing 2 storey pitched roof extension to gable of end of terrace dwelling and construction…
12, Saint Heliers Copse, Stillorgan, Co. Dublin
D06A/1147Dún Laoghaire–RathdownLodged 8 Aug 2006Extension
- Granted30 m away
The development will consist of the demolition of the existing two storey extension and the construction of a…
12, Saint Heliers Copse, Blackrock, Co. Dublin
D05B/0682Dún Laoghaire–RathdownLodged 14 Sept 2005Extension
- Granted30 m away
Conversion of original entrance porch to a cloak room and alterations to front and side elevations consisting…
12, Saint Heliers Copse, Stillorgan, Co. Dublin
D07B/0804Dún Laoghaire–RathdownLodged 7 Sept 2007Retention
- Granted30 m away
For alterations and amendments to already approved 2 storey pitched roof extension to gable of end of terrace…
12, Saint Heliers Copse, Stillorgan, Co. Dublin
D06A/1422Dún Laoghaire–RathdownLodged 15 Dec 2006Alterations
- Awaiting decision30 m away
A new three storey, flat roof, detached house with roof terrace to the side garden and a new two storey, flat…
Site to the side and rear of Saint Helier's, Stillorgan Park, Blackrock, Co. Dublin, A94A2K8
D25A/0925Dún Laoghaire–RathdownLodged 1 Dec 2025New dwelling
- Granted40 m away
Planning permission for the change of use of the building from office use on the 1st and 2nd floors and…
St. Heliers, St Helier's Copse, Stillorgan, Co. Dublin
D22A/0530Dún Laoghaire–RathdownLodged 21 Jul 2022Change of use
- Exempt — no permission needed40 m away
2 Units
Site to the side and rear of Saint Helier's, Stillorgan Park, Blackrock, Co. Dublin, A94A2K8
V/092/25Dún Laoghaire–RathdownLodged 1 Dec 2025
- Granted50 m away
Planning permission for the construction of a single storey rear extension to existing dwelling and…
Lisnacreive, Stillorgan Park, Blackrock, Co. Dublin
D10B/0318Dún Laoghaire–RathdownLodged 15 Jul 2010Extension
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2543599Cork CityLodged 27 Jan 2025
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Permission for the demolition of the existing garage and the existing single storey rear extension, provision…
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