Penthouse apartment, Block 3, Mountbrook, Stillorgan Road, Stillorgan, Co. Dublin.
Installation of four new dormer windows at a penthouse apartment in Stillorgan.
D04A/0929 · Dun Laoghaire Rathdown County Council · Lodged 17 August 2004
- Reference
- D04A/0929
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 17 August 2004
Summary
AI-generatedThe application seeks permission to install one new dormer window on the west elevation of an existing second-floor penthouse apartment. Additionally, three existing rooflights on the north and east elevations will be replaced with new dormer windows.
- Storeys
- 3
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
(1) 1 no. New dormer window to west elevation, (2) 2 no. New dormer windows to replace 2 no. Existing rooflights to north elevation and (3) 1 no. New dormer window to replace an existing rooflight to east elevation to existing penthouse apartment (2nd floor), block 3, mountbrook, fosterbrook, stillorgan, co. Dublin.
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 |
|---|---|---|---|
| 24 Mountbrook, Stillorgan Rd, Dublin | Jun 2026 | €375,000 | 2 m |
| 26 Mountbrook, Stillorgan Rd, Blackrock | Apr 2025 | €531,000 | 2 m |
| 4 Mountbrook, Stillorgan Rd, Blackrock | Feb 2026 | €397,000 | 61 m |
| 5 Seafield Rd, Blackrock, Dublin | Sept 2025 | €1,100,000 | 155 m |
| Newtown, Rathbride, Kildare | Dec 2025 | €360,000 | 157 m |
| 3 Carraig Mor, Seafield Road, Blackrockprice excludes VAT | May 2026 | €722,467 | 205 m |
| 2 Carraig Mor, Seafield Road, Blackrockprice excludes VAT | Mar 2025 | €643,171 | 205 m |
| 25 Fosterbrook, Booterstown, Blackrock | Jan 2025 | €940,000 | 217 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 received17 August 2004
- Decision issued7 October 2004
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
Permission is sought for development works — 1No new dormer window to West elevation
30A, Mountbrook, Stillorgan Road, Blackrock, Co Dublin, A94TH90
D21B/0347Dún Laoghaire–RathdownLodged 6 Jul 2021Alterations
- Compliance submission60 m away
Compliance with Condition No.2 of Reg Ref No. D23B/0558
9, Seafield Crescent, Booterstown, Blackrock, Dublin, A94R762
D23B/0558/C1Dún Laoghaire–RathdownLodged 13 May 2026Other
- Granted60 m away
Alterations and additions to D21A/0271 to include a gabled end to the main roof with an additional dormer…
9, Seafield Crescent, Booterstown, Blackrock, Dublin, A94R762
D23B/0558Dún Laoghaire–RathdownLodged 1 Dec 2023Alterations
- Granted60 m away
Permission is sought for a single storey extension to the rear kitchen annex, new dormer window to rear of…
9, Seafield Crescent, Booterstown, Co. Dublin
D21A/0271Dún Laoghaire–RathdownLodged 1 Apr 2021Extension
- Refused60 m away
Extension to the rear of the existing dwelling house consisting of a games room at ground level and a sitting…
9 Seafield Crescent, Booterstown, Co Dublin
D02B/0897Dún Laoghaire–RathdownLodged 4 Dec 2002Extension
- Granted60 m away
The development will consist of Alterations and additions to previously granted permission Reg Ref: D23B/0558…
9, Seafield Crescent, Booterstown, Co. Dublin
D25B/0325/WEBDún Laoghaire–RathdownLodged 9 Jun 2025Alterations
- Granted60 m away
Permission sought for the construction of a first floor extension to the rear comprising a bedroom, bathroom…
Alma, Stillorgan Road, Blackrock, Co Dublin
D06B/1103Dún Laoghaire–RathdownLodged 21 Dec 2006Extension
- Granted80 m away
New two storey extension to the rear comprising extended living / dining area at ground floor, new bedroom,…
7, Seafield Crescent, Blackrock, Co. Dublin.
D04B/0869Dún Laoghaire–RathdownLodged 9 Dec 2004Extension
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
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D08B/0120Dún Laoghaire–RathdownLodged 23 Jul 2008
- RefusedExtension
The construction of three flat- roofed dormer windows to the side roof slopes of the existing three-storey…
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D26B/0320/WEBDún Laoghaire–RathdownLodged 29 May 2026
- GrantedExtension
Permission for alterations to an existing apartment, comprising of — replacement of existing external windows…
Apartment No.1, Block 1, Ardbrack Heights, Ardbrack, Kinsale, Co.Cork
235696corkLodged 21 Aug 2023
- GrantedExtension
Insertion of a new flat roof dormer window and 2 new 'Velux' windows in main roof to rear. 1 new 'Velux'…
25, Dunmore Grove, Kingswood, Dublin 24
SD16B/0407South DublinLodged 12 Dec 2016
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