12, Dundela Avenue, Glenageary, County Dublin, A96F2R2
Demolition of existing extensions to build a new two-storey side extension and single-storey rear extension.
D25A/0658/WEB · Dun Laoghaire Rathdown County Council · Lodged 25 August 2025
- Reference
- D25A/0658/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 25 August 2025
Summary
AI-generatedThe project involves demolishing 41 sqm of existing ground floor extensions. In their place, a new 98 sqm two-storey side extension and a single-storey rear extension will be built, alongside an attic conversion and external insulation.
- Floor area
- 98 m²
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 demolition of ground floor rear and side extensions (totalling approx. 41sqm), the construction of a two-storey extension to side with hipped roof and a ground floor single-storey extension to rear (combined proposed area approx. 98sqm). The development will also include the conversion of the existing attic together with associated roof lights, externally insulating the retained house (render and brick slip finish), alterations to internal layouts, additional window opes and changes to selected existing window opes, proposed rooflights (to extension), widening of existing gateposts and all associated site works.
Built & sold
What happened next
Beyond the decision: whether this development was built, and what property here has sold for.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 48 Castlepark Road, Sandycove, Dun Laoghaire | Aug 2025 | €1,750,000 | 84 m |
| Rossaveel, 27 Dundela Ave, Sandycove | May 2026 | €1,300,000 | 115 m |
| 12 Dundela Haven, Sandycove, Dublin | May 2025 | €627,501 | 119 m |
| 17 Dundela Haven, Dundela Park, Sandycove | Jun 2026 | €610,000 | 122 m |
| 19 Dundela Haven, Sandycove, Dublin | Mar 2026 | €610,000 | 133 m |
| 39 Dundela Park, Sandycove, Dublin | Jan 2025 | €1,120,000 | 135 m |
| 38 Dundela Haven, Sandycove, Dublin | Jul 2025 | €725,000 | 161 m |
| 19 Hyde Park, Dalkey, Dublin | Sept 2025 | €1,400,000 | 169 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 received25 August 2025
- Decision due16 October 2025
- Decision issued15 October 2025
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