23, Ardagh Park, Blackrock, Co. Dublin, A94FH96
Two-storey side and rear extension, front extensions, and a detached garden room in Blackrock.
D26B/0001/WEB · Dun Laoghaire Rathdown County Council · Lodged 2 January 2026
- Reference
- D26B/0001/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 2 January 2026
Summary
AI-generatedThe development includes removing an existing chimney and boilerhouse to build a two-storey side and rear extension. It also features a single-storey rear flat roof extension, a single-storey front extension, dormer roof alterations, and a detached garden room.
- 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
A) removal of existing chimney and detached boilerhouse to rear of dwelling, and b) the construction of a two-storey extension to side and rear of existing dwelling, c) single-storey flat roof extension to rear living space, with rooflight, d) change of existing front dormer from flat roof to pitched roof, with new dormer and rooflight to front of dwelling e) single-storey extension to front, f) alterations to fenestration and material finish to front of existing dwelling, g) detached garden room, and all associated site works.
Built & 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 |
|---|---|---|---|
| 39 Ardagh Park, Blackrock, Dublin | Mar 2025 | €765,000 | 85 m |
| Sea Glimpse, 6 Carysfort Downs, Blackrock | Mar 2025 | €1,695,000 | 93 m |
| 8 Carysfort Grove, Blackrock, Dublin | Jun 2026 | €1,580,000 | 119 m |
| 4 Ardagh Close, Blackrock, Dublin | May 2026 | €680,000 | 127 m |
| 10 Carysfort Downs, Blackrock, Dublin | Dec 2025 | €995,000 | 159 m |
| 14 Ardagh Avenue, Blackrock, Dublin | Sept 2025 | €875,000 | 180 m |
| 24 Carysfort Woods, Blackrock, Dublin | Nov 2025 | €1,020,500 | 195 m |
| 85 Rosehill, Blackrock, Co Dublin | Jul 2026 | €1,225,000 | 215 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 January 2026
- Decision due30 April 2026
- Decision issued30 April 2026
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