8, Thornhill Road, Mount Merrion, Co Dublin
Construction of a single-storey rear extension, internal alterations, and widening of the front vehicular entrance.
D21A/0453 · Dun Laoghaire Rathdown County Council · Lodged 20 May 2021
- Reference
- D21A/0453
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 20 May 2021
Summary
AI-generatedThe application seeks permission to build a single-storey extension to the rear of the existing house and alter the existing rear extension roof. It also includes ground floor refurbishment, front door alterations, and widening the front vehicle entrance.
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 is sought for the construction of a single storey extension to the rear of the existing house; alter the existing rear single-storey extension roof; alter and refurbish the ground floor; alter the front side door and site works to widen the existing front vehicle entrance, install storage units in the front garden area and carry out associated drainage & landscaping 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 16 June 2015.
2 commencement notices are linked to this development.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 14 South Avenue, Mount Merrion, Co Dublin | Sept 2025 | €920,000 | 79 m |
| 24 South Ave, Mount Merrion, Dublin | Dec 2025 | €1,580,000 | 80 m |
| 28 South Ave, Mount Merrion, Dublin | Sept 2025 | €1,400,000 | 93 m |
| 32 South Ave, Mount Merrion, Dublin | Jan 2026 | €1,725,000 | 114 m |
| 33 Clonmore Rd, Mount Merrion, Dublin | Apr 2026 | €1,425,000 | 120 m |
| 50 Cherry Garth, Mount Merrion, Blackrock | May 2025 | €1,275,000 | 169 m |
| 49 Thornhill Oaks, Cherry Garth, Mount Merrionprice excludes VAT | Jan 2025 | €1,145,374 | 173 m |
| 49 Thornhill Oaks, Cherry Garth, Mount Merrion | Dec 2025 | €1,430,135 | 182 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 received20 May 2021
- Decision issued14 July 2021
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