1 Castlebyrne Park, Blackrock, Co Dublin
Attic conversion with a rear dormer window and rooflights in Blackrock.
D18B/0474 · Dun Laoghaire Rathdown County Council · Lodged 1 November 2018
- Reference
- D18B/0474
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 1 November 2018
Summary
AI-generatedThe development consists of an attic conversion featuring a dormer window to the rear of the house. It also includes two Velux rooflights to the front, one Velux rooflight to the rear, and ancillary works.
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
- An attic conversion with a dormer window to the rear of the house. 2.2 no. Velux roof lights to the front and 1 no. Velux roof light to the rear
- Ancillary works
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 1 March 2019.
Notified floor area: 17 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 70 Castlebyrne Park, Blackrock, Dublin | Mar 2025 | €528,000 | 101 m |
| 15 Castlebyrne Park, Newtown Park Ave, Blackrock | Feb 2026 | €667,500 | 112 m |
| 1 Rockville Park, Blackrock, Co Dublin | Apr 2026 | €865,000 | 166 m |
| 22 Rockville Dr, Blackrock, Dublin | Apr 2026 | €1,230,000 | 180 m |
| 10 Brooklawn Ave, Blackrock, Dublin | Mar 2026 | €700,000 | 194 m |
| 14 Proby Place, Proby Square, Blackrock | May 2026 | €1,495,000 | 213 m |
| 12 Proby Place, Proby Square, Carysfort Ave | Jun 2025 | €1,700,000 | 243 m |
| 31 Brooklawn Ave, Blackrock, Dublin | Apr 2026 | €543,000 | 265 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 received1 November 2018
- Decision issued21 December 2018
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