27 Castlebrook, Dundrum, Dublin D16 C3H3
Attic conversion with a rear dormer window and Dutch gable roof extension in Dundrum.
D17B/0585 · Dun Laoghaire Rathdown County Council · Lodged 19 December 2017
- Reference
- D17B/0585
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 19 December 2017
Summary
AI-generatedThe project involves converting the attic into a habitable room. It includes constructing a rear dormer window, raising the gable, and extending the ridge to create a Dutch gable to the side.
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 for the conversion of attic to habitable room with rear dormer window, raised gable and extended ridge to create dutch gable to side, roof light to side and all associated site works.
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.
Built — construction complete
A commencement notice records works starting on 9 August 2019.
Notified floor area: 19.5 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 35 Castlebrook, Dundrum, Dublin 14 | Aug 2025 | €655,000 | 38 m |
| The Brambles, 1a Meadowmount, Dundrumprice excludes VAT | Jul 2025 | €1,017,621 | 120 m |
| 10a Ailesbury Lawn, Dundrum, Dublin 16 | Oct 2025 | €698,000 | 167 m |
| 3 Castlebrook, Dundrum, Dublin 16 | Sept 2025 | €760,000 | 169 m |
| Apt 14, Dundrum Castle House, Ballinteer Road | Sept 2025 | €385,000 | 194 m |
| 8 Dundrum Court, Dundrum Castle, Ballinteer Rd Dublin 16 | Jan 2025 | €381,000 | 216 m |
| 77 Lynwood, Ballinteer Road, Dublin 16 | Sept 2025 | €885,000 | 228 m |
| 57 Dundrum Gate, Ballinteer Rd, Dundrum Dublin 14 | Jan 2026 | €385,000 | 237 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 December 2017
- Decision issued15 February 2018
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Granted40 m away
Permission and Retention Permission for — Retention Permission for dropping of existing side living room…
19 Castlebrook, Dundrum, Dublin 16
D18B/0442Dún Laoghaire–RathdownLodged 10 Oct 2018Extension
- Granted50 m away
Permission is sought for the conversion of the attic into an attic room, raising the gable wall, extending…
36, Castlebrook, Dundrum, Dublin 14
D11B/0033Dún Laoghaire–RathdownLodged 7 Feb 2011Extension
- Granted50 m away
To raise gable, extend roof, form mini hip to side gable, provide roof lights to rear and side to accommodate…
48, Castlebrook, Dundrum, Dublin 16
D05B/0323Dún Laoghaire–RathdownLodged 6 May 2005Extension
- Granted70 m away
Permission for construction of a single storey porch to the front of existing two storey dwelling, Demolition…
61, Castlebrook, Dundrum, Co Dublin
D06A/1821Dún Laoghaire–RathdownLodged 11 Dec 2006Extension
- Granted80 m away
Single storey extension to front and side, two storey extension to side, with single storey extension to…
43, Castlebrook, Dundrum, Dublin 14
D04B/0487Dún Laoghaire–RathdownLodged 18 Jun 2004Extension
- Refused100 m away
Permission for development which will consist of the conversion & extension to existing attic, incorporating…
13, Castlebrook, Dundrum, Dublin 16
D10B/0307Dún Laoghaire–RathdownLodged 8 Jul 2010Extension
- Refused100 m away
Conversion and extension to existing attic, incorporating flat roof dormer to rear and new dutch hip with…
13, Castle Brook, Dundrum, Dublin 16
D08B/0132Dún Laoghaire–RathdownLodged 25 Feb 2008Extension
- Granted100 m away
Single storey extension to front and side of existing 2 storey dwelling, incorporating new bedroom and…
13, Castlebrook, Dundrum, Dublin 16
D05B/0525Dún Laoghaire–RathdownLodged 6 Jul 2005Extension
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 for proposed attic conversion to habitable room with new flat roof dormer and window at attic…
51, Sion Hill Park, Drumcondra, Dublin 9
3755/20Dublin CityLodged 18 Nov 2020
- GrantedExtension
Permission for attic conversion with dormer to rear roof to accommodate stairs to allow access to attic…
12 Luttrell Park Close, Dublin 15, D15XTY5
FW26A/0025EFingalLodged 22 Jan 2026
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Permission for the conversion of the attic space into a bedroom and study with a flat roof dormer window to…
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D22B/0201Dún Laoghaire–RathdownLodged 14 Apr 2022
- InvalidExtension
Permission for the conversion of the attic space to a bedroom, new velux roof lights to the front, new dormer…
56 Ballinclea Heights, Killiney, Co. Dublin, A96 H9F9
D22B/0262Dún Laoghaire–RathdownLodged 27 May 2022
- GrantedExtension
Permission for a proposed attic conversion to habitable room with new flat roof dormer and window at attic…
42, Sion Hill Park, Drumcondra, Dublin 9
3655/20Dublin CityLodged 29 Oct 2020
- GrantedExtension
Permission for conversion of existing attic space to non-habitable room, with raised gable wall to change…
20 The Heights, Woodpark, Ballinteer, Dublin D16 TK72
D18B/0113Dún Laoghaire–RathdownLodged 28 May 2018
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