21, St Mary's Street, Dun Laoghaire, Co. Dublin, A96FK22
Demolition of a single-storey rear extension to build a part two-storey rear extension.
D24B/0129 · Dun Laoghaire Rathdown County Council · Lodged 27 March 2024
- Reference
- D24B/0129
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 27 March 2024
Summary
AI-generatedThe application seeks permission for the removal of an existing single-storey extension to the rear of the dwelling. This will be replaced with a part two-storey extension to the rear, alongside internal refurbishment and associated site works.
- 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: a) removal of existing single storey extension to rear. B) formation of part two storey extension to rear. C) internal refurbishing works, and d) associated site works.
Land-use zoning
What this land is zoned for
“A To provide residential development and improve residential amenity while protecting the existing residential amenities”
Objective set by the COUNTY DEVELOPMENT PLAN 2022-2028 (2022–2028). The planning authority decides each application on its own merits — this is the zoning context, not a compliance assessment.
Read the zoning objectives in the development planBuilt & 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 |
|---|---|---|---|
| 3 St Brendans Tce, Dun Laoghaire, Dublin | May 2025 | €345,000 | 23 m |
| 18 St Marys St, Dun Laoghaire, Dublin | Jun 2025 | €475,000 | 27 m |
| 87 Northcote Terrace, Dun Laoghaire, Dublin | Mar 2025 | €495,000 | 49 m |
| 2 St Michaels Terrace, Dun Laoghaire, Dublin | Oct 2025 | €635,000 | 51 m |
| Fairhill House, Northcote Ave, Dun Laoghaire | Mar 2025 | €900,000 | 85 m |
| 5 York Court, York Rd, Dun Laoghaire | Mar 2026 | €885,000 | 99 m |
| 18 Vesey Place, Dun Laoghaire, Co Dublin | Dec 2025 | €1,825,000 | 123 m |
| 16 York Court, York Rd, Dunlaoighaire | Jun 2025 | €320,000 | 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 received27 March 2024
- Decision due21 May 2024
- Decision issued15 May 2024
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- GrantedAt this site
Permission is sought for development at this site, consisting of a new two storey flat roofed extension with…
19, St Mary's Street, Dun Laoghaire, Co Dublin
D21B/0013Dún Laoghaire–RathdownLodged 21 Jan 2021Extension
- GrantedAt this site
Permission for a 12sqm first floor level bedroom extension to the rear of the existing two storey dwelling…
17 Saint Marys Street, Dun Laoghaire, Co. Dublin, A96 K466
D20B/0064Dún Laoghaire–RathdownLodged 6 Mar 2020Extension
- GrantedAt this site
Permission for demolition of single storey rear return and erection of 2 storey extension to rear of…
15, Saint Marys Street, Dun Laoghaire, Co. Dublin
D14A/0206Dún Laoghaire–RathdownLodged 11 Apr 2014Extension
- GrantedAt this site
For a two storey extension to rear, replacement of windows and door to front facade and internal alterations
13, Saint Mary's Street, Dun Laoghaire, Co. Dublin
D05B/0734Dún Laoghaire–RathdownLodged 11 Oct 2005Extension
- GrantedAt this site
Permission for a new flat roofed first floor extension with 2 no. roof lights above the existing single…
11 Saint Mary's Street, Dún Laoghaire, Co Dublin
D19B/0177Dún Laoghaire–RathdownLodged 4 Apr 2019Extension
- Granted30 m away
Permission sought for development of site which fronts onto St.Brendan's Terrace & at rear of 54 York Road,…
rear of 54, York Road, Dun Laoghaire, Co. Dublin
D16A/0788Dún Laoghaire–RathdownLodged 9 Feb 2017New dwelling
- Granted30 m away
Planning permission for development which will comprise of internal alterations and two storey extension…
4, St. Brendans Terrace, Dun Laoghaire, Co. Dublin
D10B/0115Dún Laoghaire–RathdownLodged 12 Mar 2010Extension
- Granted30 m away
Permission sought for demolition of existing single storey extension to the rear and the erection of a two…
5, Saint Brendan's Terrace, Dun Laoghaire, Co Dublin
D07B/0134Dún Laoghaire–RathdownLodged 16 Feb 2007Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedExtension
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D19B/0153Dún Laoghaire–RathdownLodged 27 Mar 2019
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4747/23Dublin CityLodged 8 Nov 2023
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D14B/0292Dún Laoghaire–RathdownLodged 14 Aug 2014
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