Mornington, 11 Charlemont Avenue, Dun Laoghaire, Dublin, A96V4A9
Demolition of the roof and chimneys of a single-storey house to construct a new first-floor extension with a mono-pitched roof.
D25B/0061/WEB · Dun Laoghaire Rathdown County Council · Lodged 6 February 2025
- Reference
- D25B/0061/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 6 February 2025
Summary
AI-generatedThe applicant intends to demolish the existing pitched roof and chimneys of a single-storey detached house. A new first-floor extension will be constructed over the footprint of the main house, featuring a low-profile mono-pitched tile roof, internal stairs, and new glazing.
- 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
Full planning permission for the following to the existing single storey fully serviced detached house with hipped pitched roof with flat roof extension. Full planning permission is sought to demolish existing pitched roof and chimneys, add a first floor extension over the existing house foot print of main house, leaving flat roof section. Change the roof design to a low profile mono-pitched tile roof. Internally a new stair up to the proposed first floor. New glazing on first floor, modification internally to allow the new design. Maintain connection to public sewerage and surface water and all ancillary 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 |
|---|---|---|---|
| 16 The Crofton, Georges Place, Dun Laoghaire | May 2025 | €495,000 | 54 m |
| Apartment No 23 The Crofton, Georges Place, Dun Laoghaire | Jul 2026 | €340,000 | 54 m |
| 5 Crofton Court, 7 Crofton Avenue, Dunlaoghaire | Apr 2026 | €458,000 | 58 m |
| 1 Crofton Court, 7 Crofton Avenue, Dun Laoghaire | Nov 2025 | €435,000 | 58 m |
| 8 Crofton Court, 7 Crofton Avenue, Dun Laoghaire | Mar 2025 | €515,000 | 58 m |
| Apt 4 Roby Hall, Crofton Ave, Dun Laoghaire | Nov 2025 | €360,000 | 66 m |
| 7 Wellington St, Dun Laoghaire, Dublin | Feb 2025 | €860,000 | 74 m |
| Apt 4, 4 Charlemont Terrace, Crofton Rd | Jan 2025 | €625,000 | 102 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 received6 February 2025
- Decision due2 April 2025
- Decision issued2 October 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
Planning permission sought for a new single storey extension to the side and rear of the existing detached…
11, Charlemont Avenue, Dun Laoghaire, Co. Dublin, A96V4A9
D26B/0168Dún Laoghaire–RathdownLodged 24 Mar 2026Extension
- Granted30 m away
Permission sought for a new glazed conservatory with part zinc roof to rear
No. 3 Crofton Avenue, Dun Laoghaire
D21B/0369Dún Laoghaire–RathdownLodged 20 Jul 2021Extension
- Granted30 m away
Permission sought to convert vehicular garage to private artist's studio for personal use only, install new…
3, Crofton Avenue, facing on to Charlemont Ave, Dun Laoghaire
D22A/0112Dún Laoghaire–RathdownLodged 16 Feb 2022Change of use
- Granted30 m away
Permission sought to convert the existing garage to a private artist's studio and its use as a home based…
3, Crofton Avenue, Dun Laoghaire, Dublin, A96Y266
D26B/0012/WEBDún Laoghaire–RathdownLodged 13 Jan 2026Change of use
- Granted30 m away
The works consist of: the provision of openings to two internal walls on the ground floor to convert four…
4, Charlemont Avenue, Dun Laoghaire, Co. Dublin, A96VW65 (Protected Structure)
D26A/0358/WEBDún Laoghaire–RathdownLodged 22 Apr 2026Alterations
- Granted40 m away
Permission is sought for development consisting — Demolition of non-original rear portion of the two storey…
5, Charlemont Avenue, Dun Laoghaire, Co. Dublin (protected structure)
D21A/1156Dún Laoghaire–RathdownLodged 23 Dec 2021Extension
- Granted40 m away
Refurbishment works to the existing house (A Protected Structure) including conversion of the attic space,…
4, Charlemont Avenue, Dun Laoghaire, Co. Dublin
D06A/0049Dún Laoghaire–RathdownLodged 17 May 2006Alterations
- Refused40 m away
Permission is sought for the change of use of an existing graphic studio (75sqm) to use as an educational…
2, Crofton Avenue, Dun Laoghaire, Co. Dublin
D05A/0956Dún Laoghaire–RathdownLodged 26 Jul 2005Change of use
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Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
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