18, Grangewood, Rochestown Avenue, Dun Laoghaire, Co. Dublin
Demolition of a side garage and construction of a two-storey split-level extension.
D17B/0420 · Dun Laoghaire Rathdown County Council · Lodged 12 September 2017
- Reference
- D17B/0420
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 12 September 2017
Summary
AI-generatedThe project involves the demolition of an existing single-storey side garage and the construction of an 84 sqm two-storey split-level extension with semi-sunken living accommodation to the side and rear. The works also include two courtyards, landscaping, and refurbishment of the existing house.
- Storeys
- 2
- Floor area
- 84 m²
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 the demolition of: an existing single storey garage structure to side of existing dwelling and the construction of: a two storey split level extension with semi sunken living accommodation (84sqm) to side and rear of existing dwelling including 2 no. Courtyards, inclusive of associated landscaping works and refurbishment and renovation of existing dwelling.
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 |
|---|---|---|---|
| 11 Glebe Hall, Kill Ave, Dun Laoghaire | Nov 2025 | €450,000 | 191 m |
| 10 Glebe Hall, Rose Park, Kill Ave | Sept 2025 | €410,000 | 191 m |
| 32 Glebe Hall, Kill Ave, Dun Laoghaire | Feb 2026 | €470,000 | 191 m |
| 32 Grange Crescent, Pottery Road, Dun Laoghaire | May 2026 | €770,000 | 191 m |
| 4 The Grange, Kill Of The Grange, Blackrock | Aug 2025 | €602,500 | 239 m |
| 5 The Grange, Laurel Place, Terenure Rd West Dublin 6w | Feb 2026 | €550,000 | 244 m |
| 23 Grange Crescent, Kill O The Grange, Dublin | May 2025 | €780,000 | 248 m |
| 28 Grange Crescent, Pottery Rd, Dun Laoghaire | Jun 2026 | €650,000 | 257 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 received12 September 2017
- Decision issued6 November 2017
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Granted30 m away
Works include the demolition of a shed and boiler room to the side of the house and the construction of the…
15, Grangewood, Rochestown Avenue, Dun Laoghaire, Co. Dublin
D05B/0339Dún Laoghaire–RathdownLodged 11 May 2005Extension
- Granted30 m away
Permission for a 3.6 sqm single storey extension and new window to side of house
14, Grangewood, Rochestown Avenue, Dun Laoghaire, Co Dublin
D14B/0374Dún Laoghaire–RathdownLodged 5 Nov 2014Extension
- Granted50 m away
For demolition of garage and permission for an extension to existing dwelling
35, Rochestown Avenue, Dun Laoghaire, Glenageary, Dublin
D06B/0930Dún Laoghaire–RathdownLodged 1 Mar 2007Extension
- Granted50 m away
The development will consist of the erection of a bike shed within the front garden of this two storey…
12 Grangewood, Dun Laoghaire, Co. Dublin, A96R2D6
D25B/0695/WEBDún Laoghaire–RathdownLodged 11 Dec 2025Extension
- Refused60 m away
Retention for front boundary wall 1.95m in height and rising of a rear boundary wall varying in height from…
19, Rochestown Avenue, Dun Laoghaire, Co. Dublin
D08A/0794Dún Laoghaire–RathdownLodged 8 Jul 2008Retention
- Granted60 m away
Retention of part of the front boundary wall 1.95m in height and all associated site development works
19, Rochestown Avenue, Dun Laoghaire, Co. Dublin
D09B/0078Dún Laoghaire–RathdownLodged 23 Feb 2009Retention
- Granted60 m away
Retention permission of single storey extension to the rear comprising bedroom, part living room and bathroom…
37, Rochestown Avenue, Dun Laoghaire, Co. Dublin
D10B/0419Dún Laoghaire–RathdownLodged 1 Oct 2010Retention
- Granted60 m away
Demolition of existing detached 2 storey 4 bed house and attached garage and the construction of a…
19, Rochestown Avenue, Dun Laoghaire, Glenageary, Dublin
D05A/1659Dún Laoghaire–RathdownLodged 11 May 2006New dwelling
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 works consisting of, demolition of existing single storey structure to the side…
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D16B/0187Dún Laoghaire–RathdownLodged 5 May 2016
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Permission is sought for the demolition of an existing garage and single-storey extension to the side and…
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D18A/1203Dún Laoghaire–RathdownLodged 19 Dec 2018
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Permission for the demolition of a single storey garage to the side of the existing house and construction of…
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D16B/0360Dún Laoghaire–RathdownLodged 23 Aug 2016
- GrantedExtension
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Permission for (1) demolition of existing garage and associated single storey structure to the side of the…
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D26B/0217/WEBDún Laoghaire–RathdownLodged 24 Mar 2026
- GrantedExtension
Permission to erect a single storey extension to the side and rear of existing two storey dwelling.…
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