18, Northumberland Avenue, Dun Laoghaire, Dublin, A96K793
Demolition of a rear extension and construction of a new extension to facilitate apartment alterations.
D24A/0551/WEB · Dun Laoghaire Rathdown County Council · Lodged 24 July 2024
- Reference
- D24A/0551/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 24 July 2024
Summary
AI-generatedThe project involves the demolition of a basement-level flat roof extension and partial demolition of a rear return. A new flat roof extension will be built at basement and ground floor levels, alongside internal alterations to convert an existing basement apartment from a two-bed to a one-bed unit.
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
- Planning permission for
- Demolition of existing flat roof extension to rear at basement level
- Partial demolition of rear return at ground floor level to facilitate proposed extension
- General internal alterations to basement level to facilitate the alteration of existing independently accessed apartment from a two-bed apartment into a one-bed apartment
- Proposed new flat roof extension to rear including 4.2sqm at basement level and 18.7sqm at ground floor level
- Proposed new roof-light to existing flat roof to south side at ground floor level
- All ancillary site works
Built & 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 |
|---|---|---|---|
| 15 Northumberland Ave, Dun Laoghaire, Dublin | May 2025 | €1,250,000 | 42 m |
| 34 Northumberland Avenue, Dunlaoughaira, Co Dublin | Dec 2025 | €1,900,000 | 45 m |
| 32 Mulgrave St, Dun Laoghaire, Dublin | Jul 2025 | €880,000 | 70 m |
| 30 Mulgrave St, Dun Laoghaire, Dublin | Nov 2025 | €1,800,000 | 76 m |
| 2 Patrick Court, Patrick St, Dun Laoghaire | Apr 2026 | €572,000 | 102 m |
| 3 Patrick Court, Patrick St, Dun Laoghaire | Jun 2026 | €585,000 | 103 m |
| 21a Mulgrave St, Dun Laoghaire, Dublin | Feb 2026 | €840,000 | 129 m |
| The Coach House, Sydenham Mews, Corrig Avenue | Jan 2026 | €750,000 | 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 received24 July 2024
- Decision due17 September 2024
- Decision issued11 September 2024
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- WithdrawnRetention
Retention Permission for the ground floor extension to the rear apartment and extension of the back wall of…
28, Greenville Terrace, St. Catherine's, Dublin 8
WEB1778/20Dublin CityLodged 6 Nov 2020
- InvalidApartments
Planning permission for the following works: installation of new lobbies and bathrooms within both existing…
4 Summer Street North, Dublin 1, D01 W6P5
3269/21Dublin CityLodged 5 Aug 2021
- InvalidRetention
PERMISSION & RETENTION — Retention Permission for the ground floor extension to the rear apartment and…
28, Greenville Terrace, Saint Catherine's, Dublin 8
WEB1732/20Dublin CityLodged 22 Oct 2020
- GrantedApartments
Permission for (i) demolition of extensions to rear of original building; (ii) change of use of ground and…
14 Fair Street , Drogheda , Co Louth
22831LouthLodged 20 Oct 2022
- GrantedAlterations
Permission for the following development, (1) Removal of 2 no. existing rooflights openings and installation…
Apartment 12B, Ardbrack Heights, Ardbrack, Kinsale, Co.Cork
145194corkLodged 5 Jun 2014
- Awaiting decisionApartments
Permission for the conversion of existing ground floor commercial unit to apartment, refurbishment of…
25 Bridge Street , Dundalk , Co Louth
22930LouthLodged 30 Nov 2022
Community
Discussion
What local people think about this application.
Community sentiment
No votes yetNobody has voted on this application yet.
Community sentiment — a straw poll of people who visited this page, not a statutory submission. To make a valid observation you must submit it to the planning authority.
Sign in to have your say on this application.
No comments yet. Be the first to say what you think about this application.
Sign in to join the discussion on this application.
Comments are moderated and are the opinions of the people who wrote them. They form no part of the statutory planning process — to make a valid observation you must submit it to the planning authority.