21, Coppinger Walk, Stillorgan, Co. Dublin, A94V120
Construction of a single-storey side and rear extension to an existing house in Stillorgan.
D26B/0261/WEB · Dun Laoghaire Rathdown County Council · Lodged 27 April 2026
- Reference
- D26B/0261/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 27 April 2026
Summary
AI-generatedThe project involves building a single-storey extension to the side and rear of the existing two-storey house. It also includes a covered area to the side and all associated site works.
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 the construction of a single storey extension to the side and rear of the existing two storey dwelling along with covered area to the side and all other ancillary development 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 |
|---|---|---|---|
| 11 Coppinger Glade, Stillorgan Park, Blackrock | May 2025 | €620,000 | 89 m |
| El Jadida, Stillorgan Park, Blackrock | May 2026 | €1,730,000 | 93 m |
| 5 Coppinger Walk, Blackrock, Dublin | Jan 2025 | €585,000 | 93 m |
| 6 Stillorgan Park, Blackrock, Dublin | Mar 2026 | €1,380,000 | 102 m |
| 56 Coppinger Glade, Stillorgan, Dublin | Feb 2026 | €785,000 | 110 m |
| 57 Coppinger Glade, Blackrock, Co Dublin | Mar 2025 | €965,000 | 115 m |
| 15 Orpen Close, Stillorgan Grove, Blackrock | Sept 2025 | €851,000 | 126 m |
| 41 Stillorgan Park, Blackrock, Dublin | Jul 2025 | €2,806,000 | 128 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 received27 April 2026
- Decision due23 June 2026
- Decision issued18 June 2026
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 following: Conversion of existing attic space of existing two storey townhouse…
21, Coppinger Walk, Stillorgan, Dublin, A94 V120
D22A/0431Dún Laoghaire–RathdownLodged 20 Jun 2022Extension
- GrantedAt this site
Two storey end terrace house and driveway. [LOCATION] 20 Coppinger Walk, Blackrock, Co. Dublin. [LOCATION]
20 Coppinger Walk, Blackrock, Co. Dublin.
D02A/0469Dún Laoghaire–RathdownLodged 15 Nov 2002New dwelling
- Granted30 m away
New single storey extension of 8 sq.m to the side and new first floor extension of 20 sq.m over existing…
1, Coppinger Glade, Stillorgan Park, Stillorgan, Co. Dublin
D06B/0524Dún Laoghaire–RathdownLodged 13 Jun 2006Extension
- Granted50 m away
Permission for the demolition of the existing single storey rear extensions, the construction of a part…
7 Coppinger Glade, Stillorgan, Dublin A94 XE95
D18A/0025Dún Laoghaire–RathdownLodged 11 Jan 2018Extension
- Granted60 m away
Demolition of garage and out buildings and for construction of two storey extension to the side, a single…
1, Stillorgan Park, Stillorgan, Co. Dublin
D03B/0710Dún Laoghaire–RathdownLodged 30 Sept 2003Extension
- Granted60 m away
Permission for the Retention of the existing single-storey timber garden shed and the erection of a new…
Salinas, Stillorgan Park, Blackrock, Co Dublin A94 TY43
D17B/0239Dún Laoghaire–RathdownLodged 15 May 2017Retention
- Granted70 m away
Demolition of single storey side extension, and construction of new 2 - storey side extension, new single…
2, Stillorgan Park, Blackrock, Co. Dublin.
D08A/0611Dún Laoghaire–RathdownLodged 26 May 2008Extension
- Granted70 m away
Permission is sought for revised single storey rear roof (from lean-to to A roof) in order to remove…
2, Stillorgan Park, Blackrock, Co. Dublin
D08A/1016Dún Laoghaire–RathdownLodged 5 Sept 2008Extension
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
For the construction of a single storey extension to the side & rear of the existing dwelling, internal and…
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20453CavanLodged 13 Oct 2020
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- GrantedExtension
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No.36 The Haven , Grantstown , Waterford
2360366WaterfordLodged 14 Aug 2023
- GrantedExtension
Construction of a single storey extension to the side and rear of the existing dwelling and all associated…
No. 1 The Dales, Maryborough Woods, Douglas,
144253corkLodged 11 Feb 2014
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2360532ClareLodged 7 Dec 2023
- GrantedExtension
The construction of a single storey extension to the side and rear of dwelling and all ancillary works
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226222corkLodged 3 Oct 2022
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