18, Convent Road, Dun Laoghaire, Dublin, A96P299
Attic conversion with a new rear dormer roof extension and window to provide extra living space.
D23B/0519 · Dun Laoghaire Rathdown County Council · Lodged 13 November 2023
- Reference
- D23B/0519
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 13 November 2023
Summary
AI-generatedThe development consists of converting the existing attic space into an attic room for extended living accommodation. This will be facilitated by constructing a dormer roof extension and installing a window on the rear roof elevation.
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
A dormer roof extension and window to the rear roof elevation at roof level and conversion of attic space to attic room for extended living accomodation.
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.
Built — construction complete
A commencement notice records works starting on 5 March 2025.
Notified floor area: 20 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 22 Patrick St, Dun Laoghaire, Dublin | Mar 2025 | €547,000 | 43 m |
| 91 Patrick St, Dun Laoghaire, Dublin | Dec 2025 | €450,000 | 60 m |
| 85/86 Patrick Street, Dun Laoghaire, Co. Dublin | Mar 2025 | €417,500 | 67 m |
| 21a Mulgrave St, Dun Laoghaire, Dublin | Feb 2026 | €840,000 | 107 m |
| 63 Mulgrave Street, Dun Laoghaire, Co. Dublin | Oct 2025 | €765,000 | 135 m |
| Apartment 1, 89 Lower Georges Street, Dun Laoghaire | Aug 2025 | €755,000 | 172 m |
| 30 Mulgrave St, Dun Laoghaire, Dublin | Nov 2025 | €1,800,000 | 175 m |
| 8 Northumberland Ave, Dun Laoghaire, Dublin | Feb 2025 | €1,100,000 | 176 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 received13 November 2023
- Decision due16 January 2024
- Decision issued12 January 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
For second storey extension over existing extension to rear of house and attic conversion
20, Convent Road, Dun Laoghaire, Co. Dublin
D05B/0384Dún Laoghaire–RathdownLodged 26 May 2005Extension
- GrantedAt this site
Permission is sought for development consisting of the following — Change of use of the existing…
21-24, Patrick Street, Dun Laoghaire, Co. Dublin, A96 YC43
D19A/0811Dún Laoghaire–RathdownLodged 24 Oct 2019Change of use
- Granted30 m away
Planning permission for development which will consist of a change of use to an existing building from two…
2, Convent Road, Dun Laoghaire, Co. Dublin
D10A/0226Dún Laoghaire–RathdownLodged 28 Apr 2010Change of use
- Granted30 m away
Retention permission is sought for the first floor rear extension, with pitched roof (15m2 floor area) and a…
30, Convent Road, Dun Laoghaire, Co. Dublin
D10B/0146Dún Laoghaire–RathdownLodged 1 Apr 2010Retention
- Refused30 m away
Permission for — Change of Use of 2 no. retail/residential apartment buildings to a 2 no. three bedroom…
19 & 20 Patrick Street, Dun Laoghaire, Co Dublin
D14A/0705Dún Laoghaire–RathdownLodged 5 Nov 2014Change of use
- Not exempt — permission needed30 m away
Incorporate vacant (over two years) former ground floor takeaway into existin dwelling in accordance with…
1, Willow House, Cross Avenue, Dun Laoghaire, Dublin, A96Y6P7
REF1624Dún Laoghaire–RathdownLodged 29 Feb 2024Change of use
- Granted30 m away
Permission sought to extend existing dwelling at ground floor level by incorporating vacant shop portion…
Willow House, 1 Cross Avenue, Dun Laoghaire, Dublin, A96Y6P7
D25A/0811/WEBDún Laoghaire–RathdownLodged 24 Oct 2025Extension
- Invalid30 m away
Permission sought to extend existing dwelling at ground floor level by incorporating vacant shop portion…
1 Willow House, Convent Road, Dun Laoghaire, Co. Dublin, A96Y6P7
D25A/0470/WEBDún Laoghaire–RathdownLodged 13 Jun 2025Extension
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
A rear dormer roof window and first floor extension with attic conversion for extended living accommodation
55, Celestine Avenue, Stella Gardens, Dublin 4 D04 EK44
WEB2133/22Dublin CityLodged 16 Dec 2022
- GrantedExtension
A two storey extension to the rear with flat roof over. A dormer roof window to the rear roof…
3 GRANGE COURT , STAMULLEN , CO. MEATH K32YD85
2460810MeathLodged 2 Oct 2024
- GrantedExtension
Attic conversion with a rear dormer roof structure, and a first-floor extension to the rear of the dwelling,…
12, Saint John's Street, Dublin 8, D08 Y15Y
WEB1990/25Dublin CityLodged 6 May 2025
- Awaiting decisionExtension
Construction of dormer style extension to rear of existing dwelling & conversion of attic space to living…
Heatherville, Ballinphellic, Ballinhassig,
095611corkLodged 19 May 2009
- Part granted, part refusedExtension
Conversion of existing roof/attic space including raising the existing ridge height with new dormer extension…
36, Saint Anne's Avenue, Raheny, Dublin 5
2778/18Dublin CityLodged 19 Apr 2018
- GrantedExtension
Attic conversion and extension to the rear of existing 2 storey house to include dormer window to the rear…
112, The Elms, Abberley, Killiney, Co. Dublin
D06B/0297Dún Laoghaire–RathdownLodged 5 Apr 2006
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