12, Saint Heliers Copse, Stillorgan, Co. Dublin
Alterations to an approved extension to enlarge the floor plan and add a two-storey annex in Stillorgan.
D06A/1422 · Dun Laoghaire Rathdown County Council · Lodged 15 December 2006
- Reference
- D06A/1422
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 15 December 2006
Summary
AI-generatedThis application proposes amendments to a previously approved two-storey side extension. The changes include enlarging the floor plans to the side, front, and rear, making elevational changes, and adding a two-storey flat-roofed annex to provide additional living space and bedrooms.
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
For alterations and amendments to already approved 2 storey pitched roof extension to gable of end of terrace dwelling (reg. Ref. D05b/0682), to include enlarged of floor plans to side, front and rear of approved extension together wtih associated elevational changes and the addition of a two storey flat roofed annex to the gable of amended extension providing kitchen dining utlity room and 2 no. Bedrooms with ensuite shower rooms together with the provision of a pedestrian access gate to rear...
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 |
|---|---|---|---|
| 12 St Heliers Copse, Stillorgan Park, Blackrock | Apr 2026 | €1,000,000 | 3 m |
| 7 Grove Paddock, Blackrock, Dublin | Feb 2026 | €1,550,000 | 126 m |
| 7 Meadow Court, Stillorgan Park, Dublin | May 2025 | €445,000 | 128 m |
| 14 Coppinger Wood, Stillorgan Park, Blackrock | Sept 2025 | €1,050,000 | 136 m |
| 41 Cloister Ave, Blackrock, Dublin | Feb 2025 | €853,000 | 150 m |
| 84 Avoca Park, Avoca Avenue, Blackrock | Oct 2025 | €1,450,000 | 156 m |
| 43 Cloister Ave, Blackrock, Dublin | Feb 2026 | €826,500 | 158 m |
| 57 Avoca Park, Blackrock, Co Dublin | Aug 2025 | €1,340,000 | 168 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 received15 December 2006
- Decision issued19 January 2007
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 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
- InvalidAt this site
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
- GrantedAt this site
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
Permission for the demolition of the existing domestic garage to the side of the existing two storey end of…
13 Saint Helier's Copse, Stillorgan Park, Blackrock, Co Dublin
D15B/0302Dún Laoghaire–RathdownLodged 23 Jul 2015Extension
- Granted30 m away
For the erection of a formal entrance, constructed of granite and brick with a metal railing at the entrance…
Saint Helier's Copse, (Grove Paddock) Stillorgan Park, Blackrock, Co. Dublin
D04A/1526Dún Laoghaire–RathdownLodged 21 Dec 2004Infrastructure
- Granted40 m away
3 no. 4 bedroom houses and 1 no. 5 bedroom house, together with ancillary site development works. The houses…
Saint Helier's Copse, Stillorgan Park, Blackrock, Co. Dublin
D04A/0263Dún Laoghaire–RathdownLodged 28 Jun 2004Housing estate
- Granted50 m away
The development consists of the construction of a single storey extension to the side and rear and all…
12 Grove Paddock, Carrysfort, Blackrock, Co. Dublin
D20B/0051Dún Laoghaire–RathdownLodged 27 Feb 2020Extension
- Awaiting decision50 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
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