43, Carrickbrennan Lawn, Monkstown, Dublin, A94X4K3
Demolition of lean-tos and construction of a two-storey front/side extension and single-storey rear extension in Monkstown.
D25B/0600/WEB · Dun Laoghaire Rathdown County Council · Lodged 23 October 2025
- Reference
- D25B/0600/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 23 October 2025
Summary
AI-generatedThe project involves removing existing single-storey lean-to sections to the front and rear. It will be replaced by a new two-storey pitched roof extension to the front and side, and a new single-storey flat roof extension to the rear, along with external wall insulation.
- 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
Planning permission is sought for (i) the removal of the existing single-storey lean-to sections to the front and rear; (ii) the construction of a new two-storey pitched roof extension to the front and side (east and south), comprising a new entrance, home office and laundry at ground floor level, and a bedroom, shower room and study at first floor level; (iii) the construction of a new single-storey flat roof extension to the rear (west) comprising a kitchen, living and dining area; (iv) the removal of the existing chimney to the west; (v) elevational alterations to all elevations including external wall insulation; and (vi) all ancillary engineering and landscaping works necessary to facilitate the development.
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 |
|---|---|---|---|
| 15 Carrickbrennan Lawn, Monkstown, Dublin | Apr 2025 | €1,430,000 | 131 m |
| 31 Park House, Palmerston Rd, Ranelagh Dublin 6 | Mar 2025 | €360,000 | 156 m |
| 3 The Mews, Monkstown Castle, Monkstown Ave | Aug 2025 | €865,000 | 159 m |
| 22 Richmond Ave, Monkstown, Dublin | May 2026 | €1,370,000 | 164 m |
| 67 Monkstown Ave, Blackrock, Dublin | Apr 2026 | €470,000 | 181 m |
| 39 Castle Park, Monkstown, Dublin | Feb 2026 | €1,255,000 | 190 m |
| Apt 12, Richmond House, Richmond Hill | Jun 2026 | €550,000 | 235 m |
| 35 Richmond Grove, Monkstown, Co Dublinnot full market price | Apr 2026 | €600,000 | 241 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 received23 October 2025
- Decision due17 December 2025
- Decision issued16 December 2025
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