3 Holmston Avenue, Dun Laoghaire, Co. Dublin, A96 A726
Demolition of a rear extension to build a new single-storey rear and side extension, including a garden shed conversion.
D23A/0509 · Dun Laoghaire Rathdown County Council · Lodged 31 July 2023
- Reference
- D23A/0509
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 31 July 2023
Summary
AI-generatedThe application seeks to demolish an existing rear extension and construct a larger flat-roofed, glazed single-storey extension to the rear and side. The works also include converting an existing garden shed into habitable space, installing rooflights, and updating front and rear windows.
- 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 development at the existing 4-bedroom, two-storey, semi-detached house. The proposed works include a) demolition of the existing single-storey, 27.5sqm extension to the rear (northeast); b) construction of a new flat-roofed, glazed single-storey, 77.6 sqm extension to the rear (northeast) and side (north west) to include the conversion of the existing garden shed (19.2sqm) to habitable space; c) installation of rooflight to the new extension and new rooflight to the existing pitched roof over existing rear bedrooms to the first floor; d) internal reconfiguration of existing rooms, replacement of existing front door to match existing, replacement of all windows with new glazed units to the front (southeast), new fenestration arrangement to rear (north east). All with associated services and ancillary 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 6 March 2024.
Notified floor area: 256.4 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| Wayside, Holmston Avenue, Lower Glenageary Road | Aug 2025 | €2,425,000 | 23 m |
| 1 Holmston Avenue, Dun Laoighaire, Co Dublin | Jun 2025 | €861,000 | 72 m |
| Apt 2 Meryvn Court, Crostwaite Park South, Dun Laoghaire | Jul 2025 | €510,000 | 89 m |
| 10 Silchester Court, Glenageary, Dublin | Oct 2025 | €670,000 | 116 m |
| 2 Crosthwaite Park South, Dun Laoghaire, Dublin | Mar 2025 | €646,000 | 121 m |
| Kish View, 14 Crosthwaite Park South, Dun Laoghaire | Jun 2025 | €2,500,000 | 125 m |
| 14 Pairc Na Beithe, Dun Laoghaire, Dublin | Jul 2026 | €1,345,000 | 127 m |
| 12 Beechwood Park, Dun Laoghaire, Dublin | Dec 2025 | €1,050,000 | 130 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 received31 July 2023
- Decision due22 September 2023
- Decision issued22 September 2023
- Permission expiry25 October 2026
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