92, Trees Road Upper, Mount Merrion, Dublin, A94V2D5
Extensions, attic conversion, and retention of works at a house in Mount Merrion.
D26A/0154/WEB · Dun Laoghaire Rathdown County Council · Lodged 28 February 2026
- Reference
- D26A/0154/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 28 February 2026
Summary
AI-generatedThe project includes a new front bay window, a single-storey rear extension, a new rear dormer window, and widening the front gates. It also seeks retention permission for a portion of the existing rear extension and a converted attic space.
- Floor area
- 33 m²
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 and retention permission for
- Bay window extension with a pitched roof to the front of the house and relocation of the front door to the front wall of the house 02), construction of single storey extension to the rear of the house, increasing the size of existing extension and replacing the existing pitched roof with a new flat roof over the total single storey extension area to the rear
- Retention of 13m2 which forms part of the existing single storey to the rear
- Proposed alteration to fenestration
- Construction a dormer roof extension to the rear of the house to replace the existing dormer and retention of the converted attic area (19.9m2)
- A roof light to the front roof pitch of the house and a roof light to the side roof pitch of the house
- Widening of the existing front vehicular access gates and
- All associated site works to facilitate the development
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 |
|---|---|---|---|
| 71 Trees Road, Mount Merrion, Co Dublin | Aug 2025 | €1,480,000 | 83 m |
| 33 Clonmore Rd, Mount Merrion, Dublin | Apr 2026 | €1,425,000 | 101 m |
| 35 Cedarmount Rd, Mount Merrion, Blackrock | Mar 2026 | €880,000 | 115 m |
| 32 South Ave, Mount Merrion, Dublin | Jan 2026 | €1,725,000 | 127 m |
| 21 Cedarmount Rd, Mount Merrion, Dublin | Nov 2025 | €910,000 | 151 m |
| 28 South Ave, Mount Merrion, Dublin | Sept 2025 | €1,400,000 | 151 m |
| 62 Thornhill Oaks, Blackrock, Co. Dublinprice excludes VAT | Mar 2026 | €859,031 | 156 m |
| 49 Cedarmount Rd, Mount Merrion, Blackrock | Aug 2025 | €830,000 | 157 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 received28 February 2026
- Decision due24 April 2026
- Decision issued16 April 2026
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