119 Saint Helen's Road, Booterstown, Blackrock, Co. Dublin
Demolition of side and rear structures to build a part two-storey, part single-storey extension and a rear dormer.
D21B/0054 · Dun Laoghaire Rathdown County Council · Lodged 12 February 2021
- Reference
- D21B/0054
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 12 February 2021
Summary
AI-generatedThe development consists of the demolition of existing single-storey structures to the side and rear of the dwelling. It will be replaced with a part two-storey and part single-storey extension to the side and rear, alongside a new dormer window in the rear roof-slope.
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: demolition of existing single storey structures to the side and rear of the main dwelling. Construction of a part two storey and part single storey extension to the side and rear of the existing dwelling including rooflight. Construction of a new dormer to the existing rear roof-slope. All associated demolitions, new openings, internal layout alterations, site. Landscaping, drainage and 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 24 September 2021.
Notified floor area: 216.3 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 3 Trimleston Ave, Booterstown, Dublinnot full market price | Jun 2026 | €370,000 | 76 m |
| 25 Bellevue Court, Dornden Park, Booterstownnot full market price | Jun 2025 | €251,674 | 182 m |
| 23 Bellevue Court, Booterstown, Dublin | Jan 2026 | €436,000 | 182 m |
| 36 Dornden Park, Booterstown, Dublin | Sept 2025 | €1,311,000 | 194 m |
| 80 Trimleston Gardens, Booterstown, Dublin | Mar 2026 | €985,000 | 216 m |
| 221 Llandaff Terrace, Elm Park, Merrion | Jan 2026 | €790,000 | 254 m |
| 55 Trimleston Gardens, Booterstown, Co Dublin | Mar 2026 | €1,030,000 | 254 m |
| 43 St Helens Rd, Booterstown, Dublin | Aug 2025 | €2,060,000 | 257 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 received12 February 2021
- Decision issued31 March 2021
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