26 Greygates, Mount Merrion, County Dublin, A94 P3X4
Extension and alterations to a semi-detached house, including a two-storey side/rear extension and attic conversion.
D21A/0178 · Dun Laoghaire Rathdown County Council · Lodged 3 March 2021
- Reference
- D21A/0178
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 3 March 2021
Summary
AI-generatedThe project includes a new two-storey extension to the side and rear, a single-storey rear extension, and internal alterations. It also proposes an attic conversion with a rear dormer window, six roof lights, and widening of the front entrance.
- 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 sought for the extension and alterations of existing semi-detached dwelling. The development will consist of the following principal elements
- Construction of a new two storey extension with pitched roof to side & rear and a single storey extension with flat roof & roof light to the rear
- Alterations to existing floor plans, main roof and elevations
- Conversion of attic space and insertion of dormer window to the rear and 6 no. Of roof lights
- Increase in width of th
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 26 February 2024.
Notified floor area: 190 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 28 Merrion Hall, Mount Merrion Ave, Blackrock | Feb 2025 | €600,000 | 88 m |
| St Anthonys, 19 Greygates, Stillorgan Rd | Oct 2025 | €1,650,000 | 139 m |
| 25 Booterstown Wood, Booterstown Ave, Booterstown | Dec 2025 | €538,000 | 146 m |
| Apartment 28, Booterstown Wood, Booterstown Avenue | Aug 2025 | €448,000 | 146 m |
| 26 Ashurst, Mount Merrion Ave, Blackrock | Aug 2025 | €510,500 | 152 m |
| 18 Greenfield Road, Mount Merrion, Blackrock | Oct 2025 | €1,350,000 | 168 m |
| 79 Merrion Park, Blackrock, Co Dublin | Nov 2025 | €1,330,000 | 172 m |
| 95 Merrion Park, Blackrock, Co. Dublin | Sept 2025 | €1,120,000 | 173 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 received3 March 2021
- Decision issued27 April 2021
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