80, Castlebyrne Park, Blackrock, Co. Dublin
Construction of a single-storey front and side extension, and an attic conversion with a rear dormer window.
D15B/0409 · Dun Laoghaire Rathdown County Council · Lodged 6 November 2015
- Reference
- D15B/0409
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 6 November 2015
Summary
AI-generatedThe development will consist of a single-storey extension to the front and side of the property. It also includes an attic conversion featuring a flat-roof dormer extension with a single window to the rear.
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 a single storey extension to front and side of property, conversion of attic to include dormer flat roof extension with single window on slope of roof to rear of property.
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 | 63 m |
| 15 Castlebyrne Park, Newtown Park Ave, Blackrock | Feb 2026 | €667,500 | 88 m |
| 1 Rockville Park, Blackrock, Co Dublin | Apr 2026 | €865,000 | 177 m |
| 14 Proby Place, Proby Square, Blackrock | May 2026 | €1,495,000 | 194 m |
| 22 Rockville Dr, Blackrock, Dublin | Apr 2026 | €1,230,000 | 221 m |
| 12 Proby Place, Proby Square, Carysfort Ave | Jun 2025 | €1,700,000 | 223 m |
| 10 Brooklawn Ave, Blackrock, Dublin | Mar 2026 | €700,000 | 238 m |
| 7 Proby Place, Proby Square, Carysfort Avenue | Sept 2025 | €1,640,000 | 255 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 received6 November 2015
- Decision issued9 November 2016
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