1, Ardagh Crescent, Blackrock, Co. Dublin, A94RX99
Refurbishment and extension of a semi-detached house, including a new single-storey extension and attic conversion.
D25B/0488/WEB · Dun Laoghaire Rathdown County Council · Lodged 2 September 2025
- Reference
- D25B/0488/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 2 September 2025
Summary
AI-generatedThe project involves the refurbishment of an existing single-storey dwelling. It includes building a 28 sq m rear extension, converting the attic into a habitable room with a dormer roof, and demolishing the existing conservatory, garage, and front porch.
- Floor area
- 28 m²
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
The refurbishment and upgrading of existing semi-detached single storey dwelling, construction of a new single storey extension (28 m2) with rooflight, demolition of existing rear conservatory, garage, front porch and selected internal walls, relocation of main entrance hall door to the side elevation, attic conversion to habitable room/ study with dormer roof and side window, drainage upgrades including sustainable urban drainage systems (suds), and all 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 |
|---|---|---|---|
| 25 Ardagh Grove, Blackrock, Dublin | Nov 2025 | €765,000 | 41 m |
| 29 Belmont Lawn, Stillorgan Rd, Blackrock | Dec 2025 | €1,132,000 | 132 m |
| 2 Ardagh Grove, Blackrock, Dublin | Oct 2025 | €795,000 | 157 m |
| 50 Ardagh Park, Blackrock, Dublin | Jun 2025 | €855,000 | 187 m |
| 14 Ardagh Avenue, Blackrock, Dublin | Sept 2025 | €875,000 | 189 m |
| 24 Ardagh Avenue, Blackrock, Dublin | Jun 2025 | €790,000 | 215 m |
| 39 Ardagh Park, Blackrock, Dublin | Mar 2025 | €765,000 | 226 m |
| 10 Carysfort Downs, Blackrock, Dublin | Dec 2025 | €995,000 | 256 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 received2 September 2025
- Decision due24 October 2025
- Decision issued22 October 2025
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Invalid40 m away
Extension to side and change roof profile from hipped roof to straight 'A' profile. (2) Attic conversion and…
4, Ardagh Crescent, Blackrock, Dublin, A94R523
D23B/0140Dún Laoghaire–RathdownLodged 30 Mar 2023Extension
- Granted50 m away
Extension to side and change roof profile from hipped to straight A profile. (2) Attic conversion and to…
4, Ardagh Crescent, Blackrock, Dublin, A94R523
D23B/0169Dún Laoghaire–RathdownLodged 12 Apr 2023Extension
- Granted50 m away
Permission is sought to demolish existing front porch and garage at side, erect single storey extension at…
9, Ardagh Crescent, Blackrock, Co. Dublin
D12B/0075Dún Laoghaire–RathdownLodged 13 Mar 2012Extension
- Part granted, part refused50 m away
Intend to apply for full planning permission for the following to the existing single storey fully serviced…
2, Ardagh Crescent, Newtownpark Avenue, Blackrock, Co. Dublin, A94W8C1
D25B/0568/WEBDún Laoghaire–RathdownLodged 7 Oct 2025Extension
- Withdrawn50 m away
Full planning permission for the following to the existing single storey fully serviced semi-detached house…
2, Ardagh Crescent, Blackrock, Co. Dublin, A94W8C1
D25B/0545/WEBDún Laoghaire–RathdownLodged 1 Oct 2025Extension
- Invalid50 m away
Full planning permission for the following to the existing single storey fully serviced semi-detached house…
2, Ardagh Crescent, Blackrock, Dublin, A94W8C1
D25B/0561/WEBDún Laoghaire–RathdownLodged 2 Oct 2025Extension
- Granted50 m away
Permission sought for development consisting of the demolition of the existing single storey garage to the…
22, Ardagh Grove, Blackrock, Co. Dublin
D07B/0222Dún Laoghaire–RathdownLodged 13 Mar 2007Extension
- Granted50 m away
Full planning permission for the following to the existing single storey fully serviced semi-detached house…
2, Ardagh Crescent, Blackrock, Dublin, A94W8C1
D25B/0738/WEBDún Laoghaire–RathdownLodged 23 Dec 2025Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- Awaiting decisionExtension
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The development will consist of alterations and extension of existing two storey semi-detached house to…
72, Balally Drive, Kilmacud West, Dublin, D16RK73
D24A/0586/WEBDún Laoghaire–RathdownLodged 1 Aug 2024
- GrantedExtension
The construction of a single storey extension to the side and front, complete with a new rooflight to the…
10 Sallins Bridge , Sallins , Co. Kildare
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- GrantedExtension
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SD15B/0188South DublinLodged 3 Jun 2015
- GrantedExtension
Extensions and modifications to the existing semi-detached dwelling including: demolition of existing garage,…
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SD14B/0289South DublinLodged 26 Nov 2014
- GrantedExtension
The construction of a new single storey extension to the side/south elevation, and elevational alterations to…
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214103corkLodged 21 Jan 2021
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