Brandon, 31 Trees Road Lower, Mount Merrion, Blackrock, Co. Dublin, A94 X6Y7
Demolition of a garage and construction of a single-storey side extension at a house in Mount Merrion.
D21A/1148 · Dun Laoghaire Rathdown County Council · Lodged 22 December 2021
- Reference
- D21A/1148
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 22 December 2021
Summary
AI-generatedThe project involves removing an existing detached garage to build a new single-storey side extension. It also includes a new flat-roof front projection, window alterations, widening the vehicular entrance, and retaining the removal of a chimney.
- Storey
- 1
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 proposed development will consist of a) removal of existing detached garage to side, and b) the construction of a new single-storey extension to side of existing dwelling, c) new flat-roof projection to front to tie in with existing, d) 2no new windows to front elevation, e) widening of existing vehicular entrance piers to 3.5m, and all associated site works. Also, retention permission is sought for removal of existing chimney to side of dwelling.
Built & sold
What happened next
Beyond the decision: whether this development was built, and what property here has sold for.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 31 Trees Rd, Mount Merrion, Blackrock | Nov 2025 | €1,740,000 | 8 m |
| 56 Trees Rd, Mount Merrion, Blackrock | Apr 2025 | €1,285,000 | 52 m |
| 117 The Rise, Mount Merrion, Dublin | Mar 2025 | €1,701,001 | 77 m |
| 43 Trees Road, Mount Merrion, Co Dublin | Nov 2025 | €1,300,000 | 110 m |
| 56 Thornhill Oaks, Mount Merrionprice excludes VAT | Mar 2025 | €775,330 | 113 m |
| 2 Cherrygarth, Mount Merrionprice excludes VAT | Oct 2025 | €881,057 | 125 m |
| 63 Thornhill Oaks, Blackrock, Co. Dublin | May 2026 | €870,000 | 161 m |
| 4 Cherry Garth, Mount Merrion, Blackrock | Aug 2025 | €1,650,000 | 164 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 received22 December 2021
- Decision issued18 February 2022
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