17, Grangebrook Avenue, Rathfarnham, Dublin, D16 X4R2
A dormer roof extension to the side of the house with roof windows.
SD26B/0013W · South Dublin County Council · Lodged 16 January 2026
- Reference
- SD26B/0013W
- Authority
- South Dublin County Council
- Register status
- Decided
- Type
- Permission
- Received
- 16 January 2026
Summary
AI-generatedThe project involves constructing a dormer roof with windows to the side of the dwelling. The works also include installing two Velux windows to the front, two to the rear, and minor internal alterations.
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
A dormer roof with windows, to the side of the dwelling. Works to include 2 velux windows to front and 2 velux windows to rear of roof and minor internal alterations.
Land-use zoning
What this land is zoned for
“To protect and/or improve residential amenity”
National zoning type: Existing residential
Objective set by the South Dublin 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 |
|---|---|---|---|
| 3 Clonmullan Hall, Block J, Edenderry | Feb 2026 | €150,000 | 40 m |
| 5 Grangebrook Ave, Whitechurch Rd, Rathfarnham Dublin 16 | Nov 2025 | €705,000 | 40 m |
| 32 Grangebrook Ave, Rathfarnham, Dublin 16 | Dec 2025 | €710,000 | 46 m |
| 20 Grangebrook Ave, Rathfarnham, Dublin 16 | Mar 2025 | €620,000 | 46 m |
| 1 Grangebrook Vale, Rathfarnham, Dublin 16 | Mar 2025 | €725,000 | 50 m |
| 10 Grangebrook Ave, Rathfarnham, Dublin 16 | Sept 2025 | €650,000 | 69 m |
| No.2 Oldchurch, Grangebrook Avenue, Rathfarnhamprice excludes VAT | Jan 2026 | €947,100 | 111 m |
| 5 Oldchurch, Grangebrook Avenue, Rathfarnhamprice excludes VAT | Jan 2026 | €814,978 | 111 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 received16 January 2026
- Decision due12 March 2026
- Decision issued6 March 2026
- Permission expiry15 April 2031
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
Dormer roof & window built onto existing hip on side of roof at attic level to give access to existing attic…
15, Grangebrook Avenue, Rathfarnham, Dublin 16
SD10B/0224South DublinLodged 4 Jun 2010Extension
- InvalidAt this site
Planning Permission for alterations to the existing hip roof to extend ridgeline and create a dormer to side…
29 Grangebrook Avenue, Rathfarnham, Dublin 16, D16Y8V0
D25B/0286/WEBDún Laoghaire–RathdownLodged 21 May 2025Extension
- Granted30 m away
Raise existing gable wall up to roof level to form a new dormer structure with window to the side of Dwelling…
25 Grangebrook Avenue, Rathfarnham, Dublin 16
SD25B/0207South DublinLodged 11 Apr 2025Extension
- Granted30 m away
A new dormer roof and window built onto existing hip on the side of the roof at attic level
7, Grangebrook Avenue, Dublin 16
SD20B/0176South DublinLodged 2 Jun 2020Extension
- Granted40 m away
Attic conversion with dormer roof and window in hip roof at the side and 2 'Velux' type roof windows at the…
26, Grangebrook Avenue, Dublin 16
SD15B/0272South DublinLodged 3 Sept 2015Extension
- Invalid40 m away
Attic conversion with dormer roof and window in hip roof at side and 2 'Velux' type roof windows at rear and…
26, Grangebrook Avenue, Dublin 16
SD15B/0235South DublinLodged 10 Jul 2015Extension
- Invalid40 m away
Attic conversion for storage with a dormer window to the rear, a rooflight to the front roof slope, a raised…
24, Grangebrook Ave, Rathfarnham, Dublin 16, D16 X8P3
SD26B/0108WSouth DublinLodged 13 Mar 2026Extension
- Granted40 m away
Attic conversion for storage with a dormer window to the rear, a rooflight to the front roof slope, a raised…
24 Grangebrook Ave, Rathfarnham, Dublin 16, D16 X8P3
SD26B/0180WSouth DublinLodged 16 Apr 2026Extension
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
Raise existing gable wall up to roof level to form a new dormer structure with window to the side of the…
19, Grangebrook Close, Dublin 16
SD20B/0276South DublinLodged 29 Jul 2020
- InvalidAlterations
Removal of existing dormer window to the front and replace with Velux windows. Alterations to existing rear…
28, Cloonlara Crescent, Finglas, Dublin 11
WEB1362/22Dublin CityLodged 21 Apr 2022
- InvalidExtension
Provision of new dormer and window to the side roof of house
46, Liffey Close, Liffey Valley Park, Lucan, Co. Dublin
SD12B/0103South DublinLodged 26 Apr 2012
- GrantedAlterations
Alterations and installation of dormer window and 2 no. velux windows to rear of dwelling
No.14, Barrack St, Ballyhooly South, Ballyhooly,
056017corkLodged 22 Aug 2005
- GrantedExtension
New dormer roof to the side & rear of the existing house roof. 2 no. new Velux's to the front of the existing…
104, Malahide Road, Dublin 3, D03 R7W5
4265/23Dublin CityLodged 4 Aug 2023
- GrantedExtension
Installation of 2 dormer windows set back on existing roof, 2 velux roof lights, changes to front & side…
3, Seafield Court, Killiney, Dublin, A96A6X5
D25B/0208/WEBDún Laoghaire–RathdownLodged 17 Apr 2025
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