8 Castlebyrne Park, Blackrock, Co. Dublin, A94WN70
Demolition of a porch to build a front extension, a two-storey side extension, attic expansion, and external insulation.
D23A/0481 · Dun Laoghaire Rathdown County Council · Lodged 18 July 2023
- Reference
- D23A/0481
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 18 July 2023
Summary
AI-generatedThe project involves demolishing the existing porch to construct a single-storey front extension and a two-storey side extension. It also includes extending the attic accommodation, applying external insulation, adding three rear rooflights, and reinstating a front boundary wall.
- 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 demolition of a porch and permission for a single storey extension to the front; a two storey extension to the side; an extension of the existing attic non-habitable accommodation into the attic of the proposed side extension; external insulation to existing house; 3 new rooflights to the rear; reinstatement of a front boundary wall at the dwelling.
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 15 August 2024.
Notified floor area: 148 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 15 Castlebyrne Park, Newtown Park Ave, Blackrock | Feb 2026 | €667,500 | 91 m |
| 70 Castlebyrne Park, Blackrock, Dublin | Mar 2025 | €528,000 | 100 m |
| 14 Proby Place, Proby Square, Blackrock | May 2026 | €1,495,000 | 178 m |
| 22 Rockville Dr, Blackrock, Dublin | Apr 2026 | €1,230,000 | 206 m |
| 12 Proby Place, Proby Square, Carysfort Ave | Jun 2025 | €1,700,000 | 208 m |
| 10 Brooklawn Ave, Blackrock, Dublin | Mar 2026 | €700,000 | 213 m |
| 1 Rockville Park, Blackrock, Co Dublin | Apr 2026 | €865,000 | 216 m |
| 7 Proby Place, Proby Square, Carysfort Avenue | Sept 2025 | €1,640,000 | 242 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 received18 July 2023
- Decision due11 September 2023
- Decision issued6 September 2023
- Permission expiry11 October 2026
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