Sonas, 16 Northumberland Avenue, Dun Laoghaire, Co Dublin, A96Y625
Replacement of front windows, removal of sheds, and construction of a first-floor rear extension.
D22A/0706 · Dun Laoghaire Rathdown County Council · Lodged 21 September 2022
- Reference
- D22A/0706
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 21 September 2022
Summary
AI-generatedThe development includes replacing front uPVC windows with painted hardwood sash windows and removing lean-to sheds. It also proposes altering the existing rear extension by increasing the ground floor area and replacing its pitched roof with a new first-floor flat-roof extension.
- 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
Planning permission is sought for replacement of upvc windows with painted hw sash windows to front elevation, removal of lean-to sheds to rear north boundary wall, alterations to existing rear extension to include increase in ground floor area to north and west, removal of rear extension pitched roof, to be replaced with new first floor extension with flat roofs, new opaque glazed windows to north and south first floor elevations, new velux rooflight to rear pitched main roof, internal alter...
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 26 June 2024.
Notified floor area: 84 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 15 Northumberland Ave, Dun Laoghaire, Dublin | May 2025 | €1,250,000 | 13 m |
| 34 Northumberland Avenue, Dunlaoughaira, Co Dublin | Dec 2025 | €1,900,000 | 46 m |
| 30 Mulgrave St, Dun Laoghaire, Dublin | Nov 2025 | €1,800,000 | 79 m |
| 32 Mulgrave St, Dun Laoghaire, Dublin | Jul 2025 | €880,000 | 81 m |
| 8 Northumberland Ave, Dun Laoghaire, Dublin | Feb 2025 | €1,100,000 | 104 m |
| 21a Mulgrave St, Dun Laoghaire, Dublin | Feb 2026 | €840,000 | 109 m |
| The Coach House, Sydenham Mews, Corrig Avenue | Jan 2026 | €750,000 | 113 m |
| 2 Patrick Court, Patrick St, Dun Laoghaire | Apr 2026 | €572,000 | 117 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 received21 September 2022
- Decision issued14 November 2022
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- RefusedAt this site
Permission for a new front garden design, car entrance and modifications of existing cast iron railings and…
16 Northumberland Avenue, Dún Laoghaire, Co Dublin
D16A/0448Dún Laoghaire–RathdownLodged 21 Jun 2016Alterations
- Awaiting decisionAt this site
Permission is sought for the change of use from a multi-occupancy building containing three apartments back…
15, Northumberland Avenue, Dun Laoghaire, Co. Dublin, A96EH42
D25A/0943/WEBDún Laoghaire–RathdownLodged 8 Dec 2025Change of use
- GrantedAt this site
Permission is sought for alterations and additions to include (1) construction of a single storey extension…
15, Northumberland Avenue, Dun Laoghaire, Co. Dublin
D16A/0768Dún Laoghaire–RathdownLodged 4 Apr 2017Apartments
- RefusedAt this site
New two storey four bedroom mews house with garage using existing vehicular access to the rear. The floor…
14, Northumberland Avenue, Dun Laoghaire, Co. Dublin
D05A/0652Dún Laoghaire–RathdownLodged 25 May 2005New dwelling
- GrantedAt this site
For the demolition of the existing kitchen and utility room and the construction of a new two storey…
14, Northumberland Avenue, Dun Laoghaire, Co. Dublin
D05B/0880Dún Laoghaire–RathdownLodged 6 Dec 2005Extension
- Granted30 m away
The development will consist of: Alterations to the proposed development permitted under Register Reference…
18, Northumberland Avenue, Dun Laoghaire, Dublin, A96K793
D26A/0155/WEBDún Laoghaire–RathdownLodged 1 Mar 2026Extension
- Granted30 m away
Planning permission for — Demolition of existing flat roof extension to rear at Basement level
18, Northumberland Avenue, Dun Laoghaire, Dublin, A96K793
D24A/0551/WEBDún Laoghaire–RathdownLodged 24 Jul 2024Extension
- Granted40 m away
Demolition of existing 2 storey over basement non-original return to the rear and re-construction of a new 2…
37, Northumberland Avenue, Dun Laoghaire, Co. Dublin
D05B/0946Dún Laoghaire–RathdownLodged 22 Dec 2005Demolition
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedAlterations
Permission is sought for (a) Demolition of existing single storey flat roof extension, removal of…
20 Sydney Avenue/1A Green Road, Blackrock, Co Dublin, A94E2V4 (a Protected Structure)
D22A/0633Dún Laoghaire–RathdownLodged 25 Aug 2022
- GrantedExtension
Planning permission is sought for the partial demolition of the existing single storey rear extension, the…
61, Trees Road Upper, Mount Merrion, Co. Dublin
D09B/0260Dún Laoghaire–RathdownLodged 17 Sept 2009
- InvalidExtension
Planning permission is sought for the removal of: (i) a single storey lean-to extension to the rear and the…
49 Grace Park Road, Drumcondra, Dublin 9, D09 E2Y7
3460/22Dublin CityLodged 7 Mar 2022
- GrantedExtension
Planning Permission is sought for — Proposed single storey extension to the rear side
2, Sandford Gardens, The Tenters, Dublin 8
2187/18Dublin CityLodged 31 Jan 2018
- GrantedExtension
Planning permission for — The construction of a first floor extension on top of an existing single storey…
16 Birchdale Road, Kinsealy, Co. Dublin
F24B/0002FingalLodged 5 Jan 2024
- GrantedExtension
Planning permission for the following works: (a) demolition of existing single storey lean-to shed to rear;…
27 Elmwood Avenue Upper, Ranelagh, Dublin 6
2747/21Dublin CityLodged 11 May 2021
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