63, Mulgrave Street, Dun Laoghaire, Co. Dublin, A96YD61
First-floor extension and roof alterations to a house in Dun Laoghaire.
D25B/0493/WEB · Dun Laoghaire Rathdown County Council · Lodged 10 September 2025
- Reference
- D25B/0493/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 10 September 2025
Summary
AI-generatedThe development will consist of removing the rear section of the roof and glazing, followed by alterations to the rear elevation. A new first-floor extension will be constructed within the footprint of the existing ground floor, along with new rooflights.
- 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
The development will consist of the removal of the rear section of roof and glazing, alterations to the rear elevation, construction of first floor extension within the footprint of the existing ground floor plan, new rooflights, elevational alterations and associated works associated with the items above.
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 |
|---|---|---|---|
| 63 Mulgrave Street, Dun Laoghaire, Co. Dublin | Oct 2025 | €765,000 | 7 m |
| 8 Northumberland Ave, Dun Laoghaire, Dublin | Feb 2025 | €1,100,000 | 47 m |
| 21a Mulgrave St, Dun Laoghaire, Dublin | Feb 2026 | €840,000 | 85 m |
| 91 Patrick St, Dun Laoghaire, Dublin | Dec 2025 | €450,000 | 92 m |
| 3 Dungar Terrace, Dun Laoghaire, Co. Dublin | Nov 2025 | €950,000 | 101 m |
| 22 Patrick St, Dun Laoghaire, Dublin | Mar 2025 | €547,000 | 108 m |
| 85/86 Patrick Street, Dun Laoghaire, Co. Dublin | Mar 2025 | €417,500 | 110 m |
| 15 Northumberland Ave, Dun Laoghaire, Dublin | May 2025 | €1,250,000 | 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 received10 September 2025
- Decision due4 November 2025
- Decision issued10 September 2025
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
The proposed development is a revision of D24A/0884 for a Change of use of the existing 250sqm commercial…
63, Mulgrave Street, Dun Laoghaire, Dublin, A96YD61
D25A/0708/WEBDún Laoghaire–RathdownLodged 12 Sept 2025Change of use
- GrantedAt this site
Change of use of the existing 250sqm commercial building, a former HSE premises, into a single 4-bedroom,…
63 Mulgrave Street, Dun Laoghaire, Co. Dublin, A96YD61
D24A/0884/WEBDún Laoghaire–RathdownLodged 5 Nov 2024Change of use
- GrantedAt this site
Permission is sought for the demolition of existing single storey extension and single storey shed to rear of…
60, Mulgrave Street, Dun Laoghaire, Co. Dublin
D07B/0744Dún Laoghaire–RathdownLodged 15 Oct 2007Extension
- GrantedAt this site
Two x two bed and one x one bedroom apartments incorporating existing single storey terraced house with new…
60, Mulgrave Street, Dun Laoghaire, Co. Dublin
D05A/1035Dún Laoghaire–RathdownLodged 23 Dec 2005Apartments
- Granted30 m away
We intend to apply for Planning Permission to reduce the number of car parking spaces, from four to one, at…
59 Mulgrave Street, Dun Laoghaire, Co. Dublin, A96XK33
D25A/0331Dún Laoghaire–RathdownLodged 23 Apr 2025Alterations
- Granted30 m away
Planning Permission to change the use from Commercial to Residential. Permission is also sought to renovate…
59, Mulgrave Street, Dun Laoghaire, Co. Dublin, A96 XK33
D24A/0964Dún Laoghaire–RathdownLodged 5 Dec 2024Change of use
- Granted30 m away
Permission to change 59 Mulgrave Street, Dun Laoghaire from Commercial to Residential usage. Permission is…
59, Mulgrave Street, Dun Laoghaire, Dublin, A96XK33
D24A/0715Dún Laoghaire–RathdownLodged 11 Sept 2024Change of use
- Not exempt — permission needed30 m away
The demolition of the existing two storey extension at the rear and construction of new single storey…
59 Mulgrave Street, Dun Laoghaire, Dublin, A96XK33
REF13724Dún Laoghaire–RathdownLodged 5 Nov 2024Extension
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
The development consists of demolition of the existing rear extension and construction of a new single storey…
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WEB1470/21Dublin CityLodged 29 Apr 2021
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The development will consist of refurbishment of existing roof including upgrade of existing flat roof to…
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WEB1682/18Dublin CityLodged 19 Dec 2018
- GrantedExtension
The Development will consist of Demolition of the existing single storey extension to the rear. Construction…
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SD23B/0101South DublinLodged 20 Jun 2023
- GrantedExtension
The development will consist of — Demolition of rear first floor elevation wall and partial demolition of…
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D26B/0229/WEBDún Laoghaire–RathdownLodged 17 Apr 2026
- GrantedExtension
The development will consist of the partial demolition/alterations of the existing single storey pitched roof…
10, Blackheath Park, Clontarf, Dublin 3
WEB1088/21Dublin CityLodged 3 Feb 2021
- GrantedExtension
The development will consist of the demolition of an existing rear extension and the construction of a new…
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WEB1956/26Dublin CityLodged 20 Apr 2026
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