22 Thornhill Road, Mount Merrion, Co Dublin
Demolition of a side garage for a new two-storey side and rear extension with an attic conversion.
D16A/0936 · Dun Laoghaire Rathdown County Council · Lodged 22 March 2017
- Reference
- D16A/0936
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 22 March 2017
Summary
AI-generatedThis application seeks to demolish an existing single-storey side garage to construct a new two-storey pitched roof extension to the side and rear, alongside a single-storey flat roof rear extension. The works also include an attic conversion with a rear dormer, widening the vehicular entrance, and associated landscaping.
- Storeys
- 2
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 the demolition of the existing single storey side garage and construction of new, two storey, pitched roof extension to the side and rear with bay projection to the front and porch roof, single storey flat roof extension to the rear, internal alterations including attic conversion with new rear dormer window and roof lights to the side and front. The works will also consist of widening existing vehicular entrance, boundary treatments, new drainage, landscaping and ancillary and...
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 14 September 2017.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 33 Clonmore Rd, Mount Merrion, Dublin | Apr 2026 | €1,425,000 | 110 m |
| 24 South Ave, Mount Merrion, Dublin | Dec 2025 | €1,580,000 | 136 m |
| 28 South Ave, Mount Merrion, Dublin | Sept 2025 | €1,400,000 | 141 m |
| 32 South Ave, Mount Merrion, Dublin | Jan 2026 | €1,725,000 | 151 m |
| 14 South Avenue, Mount Merrion, Co Dublin | Sept 2025 | €920,000 | 152 m |
| 7 Clonmore Rd, Mount Merrion, Dublin | Sept 2025 | €1,400,000 | 175 m |
| 17 Dale Close, Stillorgan | Nov 2025 | €920,000 | 223 m |
| 49 Thornhill Oaks, Cherry Garth, Mount Merrionprice excludes VAT | Jan 2025 | €1,145,374 | 238 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 March 2017
- Decision issued10 April 2017
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