12A, Ardagh Avenue, Blackrock, Co. Dublin
Extensions, alterations, and attic conversion at a detached house in Blackrock.
D10B/0339 · Dun Laoghaire Rathdown County Council · Lodged 29 July 2010
- Reference
- D10B/0339
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 29 July 2010
Summary
AI-generatedThe project includes a new first-floor pitched roof extension over the existing laundry and kitchen, a ground-floor front extension, and an attic conversion into a bedroom with a new dormer window.
- 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 is sought for alterations and extensions to 12a ardagh avenue, a two storey pitched roofed detached dwelling house. The proposed development will consist of; (1) a new pitched roof extension at first floor level, over the existing laundry room and kitchen/dining room. (2) a single storey extension at ground floor level to the front of the house, extending the existing hall and laundry room. (3) conversion of the attic into a bedroom and shower room to include a new dormer window to...
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 |
|---|---|---|---|
| 14 Ardagh Avenue, Blackrock, Dublin | Sept 2025 | €875,000 | 70 m |
| 24 Ardagh Avenue, Blackrock, Dublin | Jun 2025 | €790,000 | 121 m |
| 39 Ardagh Park, Blackrock, Dublin | Mar 2025 | €765,000 | 129 m |
| 4 Ardagh Close, Blackrock, Dublin | May 2026 | €680,000 | 145 m |
| 25 Ardagh Grove, Blackrock, Dublin | Nov 2025 | €765,000 | 168 m |
| Sea Glimpse, 6 Carysfort Downs, Blackrock | Mar 2025 | €1,695,000 | 168 m |
| 2 Ardagh Grove, Blackrock, Dublin | Oct 2025 | €795,000 | 195 m |
| 10 Carysfort Downs, Blackrock, Dublin | Dec 2025 | €995,000 | 206 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 received29 July 2010
- Decision issued17 September 2010
- Appeal submitted13 October 2010
- Appeal decided17 February 2011
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
Retention of 1 no. roof light to the roof of the front elevation of the existing dwelling
12A, Ardagh Avenue, Blackrock, Co. Dublin
D08B/0498Dún Laoghaire–RathdownLodged 1 Jul 2008Retention
- GrantedAt this site
Permission sought for attic conversion to include 2no. new dormer windows to front and rear and 28sqm of…
12, Ardagh Avenue, Blackrock, Co Dublin
D07A/0278Dún Laoghaire–RathdownLodged 10 Jul 2007New dwelling
- Granted30 m away
Planning permission for a single-storey porch extension to the front, Single storey extension to side and…
8, Ardagh Avenue, Blackrock, Dublin, A94K268
D23A/0072Dún Laoghaire–RathdownLodged 7 Feb 2023Extension
- Granted30 m away
Permission for an attic conversion totalling 37.1 sqm and the construction of dormer roof windows to the…
8, Ardagh Avenue, Blackrock, Co. Dublin
D14B/0030Dún Laoghaire–RathdownLodged 5 Feb 2014Extension
- Granted40 m away
Permission for construction of proposed detached dormer type dwelling to west of existing dwelling,…
1 Ardagh Park Road, Blackrock, Co Dublin
D19A/0306Dún Laoghaire–RathdownLodged 1 Oct 2019New dwelling
- Granted40 m away
Permission for the construction of a single storey extension measuring c. 40 sq.m to the rear, internal…
6 Ardagh Avenue, Blackrock, Co. Dublin.
D19B/0388Dún Laoghaire–RathdownLodged 22 Aug 2019Extension
- Invalid40 m away
The Completion of a partially completed structure commenced under permitted grant, register reference…
1, Ardagh Park Road, Blackrock, Dublin, A94WV60
D25A/0359/WEBDún Laoghaire–RathdownLodged 2 May 2025New dwelling
- Granted40 m away
The Completion of a partially completed structure commenced under permitted grant, register reference…
1, Ardagh Park Road, Blackrock, Dublin, A94WV60
D25A/0373/WEBDún Laoghaire–RathdownLodged 10 May 2025New dwelling
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
Permission for development. The development will consist of proposed single storey extension (additional…
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D21B/0629Dún Laoghaire–RathdownLodged 16 Nov 2021
- GrantedExtension
Permission sought for — Proposed extensions to existing dwelling, including, ground floor rear extension (44…
36, Leopardstown Avenue, Stillorgan, Dublin, A94V320
D21B/0440Dún Laoghaire–RathdownLodged 15 Nov 2021
- GrantedExtension
Permission sought for — Proposed extensions to existing dwelling including, ground floor enclosure of…
38, Leopardstown Avenue, Stillorgan, Dublin, A94V320
D18B/0385Dún Laoghaire–RathdownLodged 30 Aug 2018
- GrantedExtension
Permission is sought for the extension and remodification of existing detached dwelling. The development will…
3 Sorbonne, Ardilea, Dublin 14, D14X 953
D21A/0028Dún Laoghaire–RathdownLodged 15 Jan 2021
- GrantedExtension
Permission for the extension and remodification of existing detached dwelling. The development will consist…
19 Deerpark Road, Mount Merrion, Co. Dublin A94 R7X2
D20A/0250Dún Laoghaire–RathdownLodged 4 Aug 2020
- GrantedExtension
Permission sought for the construction of a first floor and attic floor extension over the existing single…
121, Stillorgan Heath, Stillorgan, Co. Dublin
D10B/0427Dún Laoghaire–RathdownLodged 14 Oct 2010
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