No.33 Thornhill Road, Mount Merrion, Co. Dublin
Demolition of a garage and construction of a two-storey side extension.
D20A/0658 · Dun Laoghaire Rathdown County Council · Lodged 17 September 2020
- Reference
- D20A/0658
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 17 September 2020
Summary
AI-generatedThe development comprises the demolition of an existing single-storey garage and utility room. In its place, a new two-storey and part-single-storey extension will be constructed at the gable end of the semi-detached dwelling, incorporating a new front porch.
- 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 is being sought for alterations and additions to an existing 2 storey semi-detached dwelling. The proposed development will comprise the demolition of an existing single storey garage and utility room area to the gable end of the original dwelling , and the construction of a new two storey and part-single storey extension to the gable end in lieu of same, incorporating a new entrance porch to the front elevation , and modifications to the window openings including new velux rooflig...
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 31 May 2021.
Notified floor area: 213 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 7 Clonmore Rd, Mount Merrion, Dublin | Sept 2025 | €1,400,000 | 70 m |
| 33 Clonmore Rd, Mount Merrion, Dublin | Apr 2026 | €1,425,000 | 121 m |
| 13 Redesdale Rd, Mount Merrion, Dublin | Sept 2025 | €850,000 | 196 m |
| 32 South Ave, Mount Merrion, Dublin | Jan 2026 | €1,725,000 | 198 m |
| 98 Lr Kilmacud Rd, Stillorgan, Dublin | Jul 2025 | €1,187,000 | 200 m |
| 28 South Ave, Mount Merrion, Dublin | Sept 2025 | €1,400,000 | 202 m |
| 24 South Ave, Mount Merrion, Dublin | Dec 2025 | €1,580,000 | 207 m |
| 71 Trees Road, Mount Merrion, Co Dublin | Aug 2025 | €1,480,000 | 208 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 received17 September 2020
- Decision issued11 November 2020
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