15, Northumberland Avenue, Dun Laoghaire, Co. Dublin
Construction of a single-storey extension containing a new one-bedroom apartment at the rear of the building.
D16A/0768 · Dun Laoghaire Rathdown County Council · Lodged 4 April 2017
- Reference
- D16A/0768
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 4 April 2017
Summary
AI-generatedPermission is sought for alterations and additions to an existing two-storey multi-occupancy building containing three apartments. The works include building a single-storey extension to the rear to create a new one-bedroom dwelling and relocating an external fire escape stairs.
- Residential unit
- 1
- Storey
- 1
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
Permission is sought for alterations and additions to include (1) construction of a single storey extension containing a 1-bed dwelling attached to the rear of existing 2-storey multi occupancy building containing 3 no. 2-bed apartments (2) the relocation of existing external screened fire escape stairs from first floor apartment no. 3 located on the rear elevation (west) of the existing 2-storey rear extension to the side elevation (north) of the existing 2-storey rear extension (3) the prov...
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 |
|---|---|---|---|
| 15 Northumberland Ave, Dun Laoghaire, Dublin | May 2025 | €1,250,000 | 11 m |
| 34 Northumberland Avenue, Dunlaoughaira, Co Dublin | Dec 2025 | €1,900,000 | 54 m |
| 30 Mulgrave St, Dun Laoghaire, Dublin | Nov 2025 | €1,800,000 | 77 m |
| 32 Mulgrave St, Dun Laoghaire, Dublin | Jul 2025 | €880,000 | 83 m |
| 8 Northumberland Ave, Dun Laoghaire, Dublin | Feb 2025 | €1,100,000 | 94 m |
| 21a Mulgrave St, Dun Laoghaire, Dublin | Feb 2026 | €840,000 | 100 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 | 120 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 received4 April 2017
- Decision issued28 April 2017
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- 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
- 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
- GrantedAt this site
Planning permission is sought for replacement of upvc windows with painted hw sash windows to front…
Sonas, 16 Northumberland Avenue, Dun Laoghaire, Co Dublin, A96Y625
D22A/0706Dún Laoghaire–RathdownLodged 21 Sept 2022Extension
- 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
Permission for demolition of no 12B Northumberland Avenue, together with demolition and rebuilding in new…
12B Northumberland Avenue & Northumberland Hall, Northumberland Avenue, Dun Laoghaire, Co Dublin
D13A/0072Dún Laoghaire–RathdownLodged 15 Feb 2013Demolition
- Granted40 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
- Invalid40 m away
Conversion of the existing 63sqm 1-bedroom house into a 100sqm 2-bedroom house via the construction of a…
12A, Northumberland Avenue, Dun Laoghaire, Dublin, A96HY76
D23B/0164Dún Laoghaire–RathdownLodged 11 Apr 2023Extension
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