21 Monkstown Crescent (to the immediate south of the Protected Structure at 21 Longford Terrace), Monkstown, Co. Dublin, A94 ED95
Demolition of a workshop to build a duplex apartment and a commercial office near a protected structure.
D23A/0488 · Dun Laoghaire Rathdown County Council · Lodged 23 October 2023
- Reference
- D23A/0488
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 23 October 2023
Summary
AI-generatedThis application proposes removing an existing ground floor workshop and wall sections to extend the building. The works will accommodate a two-bedroom duplex apartment and a separate commercial office, located adjacent to a protected structure.
- Residential unit
- 1
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 (i) removal of the existing ground floor workshop, wall sections at ground and first floor; (ii) extension of existing floor levels to accommodate the lower part of 1no. Two-bedroom duplex apartment and separate commercial office, with 3 no. Rooflights at ground floor level and the upper floor of the 1 no. Two-bedroom apartment with 2 no. Rooflights, at first floor level; (iii) all ancillary site development works, inclusive of landscaping, boundary treatment and suds drainage, 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.
Built — construction complete
A commencement notice records works starting on 27 February 2024.
Notified floor area: 265 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| Longford Lodge, 25 Monkstown Crescent, Monkstown Blackrock | Mar 2026 | €1,350,000 | 38 m |
| 15a The Mews, Longford Terrace, Monkstown | Dec 2025 | €800,000 | 82 m |
| Pakenham Lodge, Pakenham Road, Monkstown | Jul 2026 | €2,150,000 | 115 m |
| Apt 69 Salthill, Block C, Monkstown | Jun 2025 | €800,000 | 119 m |
| 17 Grosvenor House, Grosvenor Terrace, Dublin | Jan 2025 | €516,551 | 124 m |
| 16 Grosvenor House, Pakenahm Road, Monkstown | Feb 2026 | €535,000 | 124 m |
| 21 Salthill Apts, Monkstown, Dublin | Mar 2025 | €1,050,000 | 127 m |
| Apt 17, Salthill Apts, Monkstown | Oct 2025 | €610,000 | 133 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 2023
- Decision due17 November 2023
- Decision issued14 November 2023
- Permission expiry3 January 2027
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