80 Castlebyrne Park, Blackrock, Co Dublin
Construction of a two-storey rear extension with a dormer extension at roof level.
D17B/0452 · Dun Laoghaire Rathdown County Council · Lodged 2 January 2018
- Reference
- D17B/0452
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 2 January 2018
Summary
AI-generatedThe application seeks permission for a two-storey extension to the rear of the property. The project also includes a dormer extension at roof level to the rear.
- 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 for a two storey extension to the rear of the property with dormer extension at roof level to the rear.
Built & 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 29 June 2018.
Notified floor area: 124 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 70 Castlebyrne Park, Blackrock, Dublin | Mar 2025 | €528,000 | 65 m |
| 15 Castlebyrne Park, Newtown Park Ave, Blackrock | Feb 2026 | €667,500 | 90 m |
| 1 Rockville Park, Blackrock, Co Dublin | Apr 2026 | €865,000 | 176 m |
| 14 Proby Place, Proby Square, Blackrock | May 2026 | €1,495,000 | 196 m |
| 22 Rockville Dr, Blackrock, Dublin | Apr 2026 | €1,230,000 | 219 m |
| 12 Proby Place, Proby Square, Carysfort Ave | Jun 2025 | €1,700,000 | 224 m |
| 10 Brooklawn Ave, Blackrock, Dublin | Mar 2026 | €700,000 | 237 m |
| 7 Proby Place, Proby Square, Carysfort Avenue | Sept 2025 | €1,640,000 | 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 January 2018
- Decision issued29 January 2018
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