Longleath, Killiney Road, Dalkey, Co. Dublin
Front extension, relocated study, new entrance hall, and stairs to a new loft space with a roof terrace window.
D15B/0420 · Dun Laoghaire Rathdown County Council · Lodged 19 November 2015
- Reference
- D15B/0420
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 19 November 2015
Summary
AI-generatedThe development consists of a new extension to the front elevation to relocate a ground-floor study and create a new entrance hall with a roof light. It also includes a new stairs to access a new loft space, lit by a proprietary roof terrace window to the rear, and the relocation of the first-floor family bathroom.
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 a new extension to the front elevation consisting of the of the relocation of a study at ground floor, a new entrance hall with a roof light, other works including a new stairs to access a new loft space at roof level which will be lit by a proprietary roof terrace window to the rear and relocate the family bathroom at first floor.
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 |
|---|---|---|---|
| 1 Wanford Close, Killiney, Dublin | Feb 2026 | €815,000 | 46 m |
| 172 Ballinclea Heights, Killiney, Dublin | Jun 2025 | €897,500 | 53 m |
| 10 Wanford Close, Killiney Rd, Killiney | Sept 2025 | €685,000 | 87 m |
| Apt 4 House 4, Linden Court Grove Ave, Blackrock | Sept 2025 | €600,000 | 92 m |
| The Ridings, Killiney Rd, Killiney | Oct 2025 | €850,000 | 154 m |
| 139a Ballinclea Heights, Killiney, Dublin | Apr 2026 | €795,000 | 161 m |
| 12 Dalkey Manor, Dalkey, County Dublin | Jul 2025 | €1,405,000 | 182 m |
| Lark Hill, 6 Ballinclea Road, Killiney | Dec 2025 | €1,135,000 | 183 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 received19 November 2015
- Decision issued22 January 2016
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
Modifications to planning permission granted, D05A/1141 including the provision of two windows to the rear at…
Longleath, Killiney Road, Killiney, Co. Dublin
D06A/1505Dún Laoghaire–RathdownLodged 20 Oct 2006Alterations
- GrantedAt this site
The development includes the demolition of the existing garage to the front and the construction of a new two…
Longleath, Killiney Road, Killiney, Co. Dublin
D05A/1141Dún Laoghaire–RathdownLodged 7 Mar 2006Extension
- GrantedAt this site
Demolition of existing and construction of replacement two- storey extension comprising of kitchen, sun-room,…
Lansdowne, Killiney Road, Killiney, Co. Dublin.
D02B/0558Dún Laoghaire–RathdownLodged 15 Jul 2002Extension
- Exempt — no permission needed40 m away
1 dwelling
1, Wanford Close, Killiney, Dublin, A96V520
V/043/25Dún Laoghaire–RathdownLodged 21 May 2025
- Granted50 m away
Permission for a single storey flat roofed extension to the rear of the property, including all associate…
6 Wanford Close, Killiney, Co Dublin
D15B/0042Dún Laoghaire–RathdownLodged 19 Feb 2015Extension
- Granted50 m away
For erection of two storey extension to side, front and rear (incorporating existing single storey side…
6, Wanford Close, Killiney Road, Killiney, Co. Dublin.
D04A/1283Dún Laoghaire–RathdownLodged 4 Apr 2005Extension
- Granted50 m away
Subdivision of the existing site and construction of a new two storey four-bedroom detached dwelling, with…
1, Wanford Close, Killiney, Dublin, A96V520
D25A/0397Dún Laoghaire–RathdownLodged 21 May 2025New dwelling
- Granted50 m away
Permission sought for — A rooflight to the front pitched roof over the existing stairwell
172, Ballinclea Heights, Killiney, Dublin, A96Y102
D25B/0501/WEBDún Laoghaire–RathdownLodged 13 Sept 2025Alterations
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
Permission is sought for- A first floor extension to the side (including extending existing roof profile),…
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D21B/0352Dún Laoghaire–RathdownLodged 12 Jul 2021
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Permission sought for a two storey extension at entrance porch,a first floor extension with pitched roof to…
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D16B/0443Dún Laoghaire–RathdownLodged 27 Oct 2016
- GrantedExtension
Permission is sought for extension and alteration works comprising of a single storey pitched roof with…
21, Greenore Terrace, Grand Canal Street, Dublin 2, D02V308
3662/20Dublin CityLodged 30 Oct 2020
- GrantedExtension
Permission for the construction of an extension to the rear, demolition of a chimney breast, provision of a…
30 Pine Valley Avenue, Rathfarnham, Dublin 16
D16B/0075Dún Laoghaire–RathdownLodged 26 Feb 2016
- GrantedExtension
Permission is sought for a ground floor extension to front, in line with existing lliving room, first floor…
4, Ardilea Downs, Mount Merrrion, Dublin 14
D07B/0691Dún Laoghaire–RathdownLodged 27 Jul 2007
- GrantedExtension
Permission is sought for a two storey extension to side and rear to provide for a new hall, utility, kitchen,…
32, Glenomena Park, Blackrock, Co Dublin
D07A/1095Dún Laoghaire–RathdownLodged 1 Aug 2007
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