11 Ardagh Crescent, Galloping Green North, Blackrock, Co. Dublin, A94 YX47
Attic conversion to provide three bedrooms and a bathroom, with front and rear dormers.
D20B/0424 · Dun Laoghaire Rathdown County Council · Lodged 21 December 2020
- Reference
- D20B/0424
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 21 December 2020
Summary
AI-generatedThe development consists of a first-floor attic conversion to provide three additional bedrooms and a bathroom. The works include two dormers to the front, one dormer to the rear, a front roof window, and a raised gable to the side.
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 for development. The development will consist of: first-floor attic conversion to give 3 additional bedrooms and bathroom. Two dormers to the front and a dormer to the rear. Roof window to the front. Raised gable to the side windows with obscured glass.
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.
Built — construction complete
A commencement notice records works starting on 26 July 2021.
Notified floor area: 49 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 25 Ardagh Grove, Blackrock, Dublin | Nov 2025 | €765,000 | 73 m |
| 29 Belmont Lawn, Stillorgan Rd, Blackrock | Dec 2025 | €1,132,000 | 115 m |
| 2 Ardagh Grove, Blackrock, Dublin | Oct 2025 | €795,000 | 182 m |
| 50 Ardagh Park, Blackrock, Dublin | Jun 2025 | €855,000 | 198 m |
| 521 The Galloping Green, Stillorgan, Dublin | Aug 2025 | €575,000 | 239 m |
| Apt 509, Galloping Green, Stillorgan | Mar 2025 | €475,000 | 239 m |
| 14 Ardagh Avenue, Blackrock, Dublin | Sept 2025 | €875,000 | 242 m |
| 54 Beechwood Court, Stillorgan, Dublin 18 | Oct 2025 | €470,000 | 249 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 received21 December 2020
- Decision issued17 February 2021
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
Permission for development. The development will consist of: Amendment to existing panning reference…
11 Ardagh Crescent, Galloping Green North, Blackrock, Co. Dublin, A94 YX47
D21B/0172Dún Laoghaire–RathdownLodged 12 Apr 2021Alterations
- GrantedAt this site
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
- GrantedAt this site
Permission is sought for retention of extension to front and partial garage conversion to side, with internal…
13, Ardagh Crescent, Newtownpark Avenue, Blackrock, Co. Dublin, A94K702
D24B/0451/WEBDún Laoghaire–RathdownLodged 10 Feb 2025Extension
- Granted60 m away
The refurbishment and upgrading of existing semi-detached single storey dwelling, construction of a new…
1, Ardagh Crescent, Blackrock, Co. Dublin, A94RX99
D25B/0488/WEBDún Laoghaire–RathdownLodged 2 Sept 2025Extension
- Granted60 m away
Permission for new flat roofed glazed porch with door to side, at front
27 Ardagh Crescent, Blackrock, Co Dublin
D17B/0340Dún Laoghaire–RathdownLodged 18 Jul 2017Extension
- Granted60 m away
Permission is sought for construction of a single storey extension to the rear with flat roof and dormer…
20, Ardagh Crescent, Blackrock, Co. Dublin
D16A/0970Dún Laoghaire–RathdownLodged 21 Dec 2016Extension
- Granted60 m away
Entrance canopy to front, shower room to side, single storey kitchen extension to rear and flat roofed,…
14, Ardagh Crescent, Blackrock, Co. Dublin
D06B/0629Dún Laoghaire–RathdownLodged 10 Jul 2006Extension
- Granted60 m away
A single storey and dormer extension to the front and to the rear to provide for a new porch, family room,…
14, Ardagh Crescent, Blackrock, Co.Dublin
D08A/0326Dún Laoghaire–RathdownLodged 16 May 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
Permission for development. The development will consist of: Attic conversion for storage. Dormer window to…
3, Wingfield, Corke Abbey, Bray, Co Dublin, A98K987
D22B/0190Dún Laoghaire–RathdownLodged 12 Apr 2022
- GrantedExtension
Permission for development at this site. The development will consist of: Attic conversion for 2 extra…
1, Belmont Drive, Woodside, Dublin 18, D18 WK81
D22B/0330Dún Laoghaire–RathdownLodged 2 Nov 2022
- GrantedExtension
Permission for development which consists of: permission for alteration and extension of the existing attic…
2 Gortard Avenue , Rockbarton North , Salthill
2660069Galway CityLodged 6 Mar 2026
- GrantedExtension
Permission for development consisting of: attic conversion for storage. With dormer windows to front and rear…
Melrose, 13 Killiney Road, Killiney, Co Dublin, A96TY36
D22B/0405Dún Laoghaire–RathdownLodged 13 Sept 2022
- GrantedExtension
Permission for development to consist of the conversion of the existing attic to habitable space and the…
42 Stillorgan Park, Stillorgan, Co. Dublin
D23B/0355Dún Laoghaire–RathdownLodged 27 Jul 2023
Community
Discussion
What local people think about this application.
Community sentiment
No votes yetNobody has voted on this application yet.
Community sentiment — a straw poll of people who visited this page, not a statutory submission. To make a valid observation you must submit it to the planning authority.
Sign in to have your say on this application.
No comments yet. Be the first to say what you think about this application.
Sign in to join the discussion on this application.
Comments are moderated and are the opinions of the people who wrote them. They form no part of the statutory planning process — to make a valid observation you must submit it to the planning authority.