Site to the side and rear of Saint Helier's, Stillorgan Park, Blackrock, Co. Dublin, A94A2K8
Construction of two new detached houses in the side and rear gardens of Saint Helier's.
D25A/0925 · Dun Laoghaire Rathdown County Council · Lodged 1 December 2025
- Reference
- D25A/0925
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- In progress
- Type
- Permission
- Received
- 1 December 2025
Summary
AI-generatedThe development consists of a three-storey detached house with a roof terrace in the side garden, and a two-storey detached house in the rear garden. It includes two new vehicular entrances and on-site parking.
- Residential units
- 2
- Storeys
- 3
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
A new three storey, flat roof, detached house with roof terrace to the side garden and a new two storey, flat roof, detached house to the rear garden. Two new vehicular entrances with pillars and gates off saint helier’s copse and stillorgan park with car parking on site for both houses. General site works including landscaping, new services and drainage connections, new boundaries to subdivide the site and associated site works.
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 | 53 m |
| 14 Coppinger Wood, Stillorgan Park, Blackrock | Sept 2025 | €1,050,000 | 100 m |
| 7 Meadow Court, Stillorgan Park, Dublin | May 2025 | €445,000 | 125 m |
| 41 Cloister Ave, Blackrock, Dublin | Feb 2025 | €853,000 | 128 m |
| 53 Stillorgan Park, Blackrock, Dublin | Oct 2025 | €1,325,000 | 132 m |
| 43 Cloister Ave, Blackrock, Dublin | Feb 2026 | €826,500 | 139 m |
| 7 Grove Paddock, Blackrock, Dublin | Feb 2026 | €1,550,000 | 152 m |
| 11 Coppinger Close, Blackrock, Dublin | Oct 2025 | €345,000 | 181 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 December 2025
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
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 neededAt this site
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
- Granted30 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
- 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
Planning permission is sought for permanent retention of alterations to approved plans (D10B/0318) for a…
Lisnacreive, Stillorgan Park, Blackrock, Co. Dublin
D12B/0278Dún Laoghaire–RathdownLodged 30 Aug 2012Retention
- Granted50 m away
Provision and construction of a gate and gateway in the boundary wall
Lisnacrieve,, Stillorgan Park, Blackrock, Co. Dublin.
D03B/0129Dún Laoghaire–RathdownLodged 11 Aug 2003Alterations
- Invalid50 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
- Granted50 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
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedNew dwelling
The construction of a two storey detached four bedroom house within the side garden. Works to include…
7, Stillorgan Park Avenue, Blackrock, Co. Dublin
D08A/0963Dún Laoghaire–RathdownLodged 25 Aug 2008
- GrantedHousing estate
Demolition of an existing two storey habitable house, the construction of three four bedroom and one five…
Funchal, Bray Road, Foxrock, Dublin 18
D06A/1275Dún Laoghaire–RathdownLodged 5 Sept 2006
- RefusedHousing estate
Permission for a residential development. The works will involve the demolition of the existing 2-storey…
Amberley, 2 Stillorgan Park Avenue, Blackrock, Co Dublin
D14A/0821Dún Laoghaire–RathdownLodged 1 Apr 2015
- GrantedNew dwelling
For the construction of a detached dormer dwelling with vehicular access from Stillorgan Park Avenue, new…
Ardvarna, 18, Stillorgan Park Avenue, Blackrock, Co. Dublin
D05A/0116Dún Laoghaire–RathdownLodged 3 Feb 2005
- GrantedNew dwelling
2 no. x detached 3 storey split level flat roof dwellings with plant room at roof level. New footpaths,…
Brooke Lodge , Ballywaltrim Lane , Bray
221079WicklowLodged 7 Oct 2022
- GrantedNew dwelling
2 no detached 3 storey split level flat roof dwellings with plant room at roof level, new footpaths,…
Brooke Lodge , Ballywaltrim Lane , Bray
161306WicklowLodged 25 Nov 2016
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