Crystal Haven, 22 Sandyford Hall Drive, Sandyford, Dublin, D18E4E6
Roof extension and attic conversion at a house in Sandyford.
D26B/0055/WEB · Dun Laoghaire Rathdown County Council · Lodged 20 January 2026
- Reference
- D26B/0055/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 20 January 2026
Summary
AI-generatedThe project involves extending the existing mini-hip roof to a full gable. It also includes converting the attic with a new dormer to the rear and installing roof windows to the front.
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
Extension of mini hip roof to form full gable, conversion of attic with dormer to the rear, roof windows to the front & related upgrade & 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.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 19 Sandyford Hall Grove, Sandyford, Dublin 18 | Apr 2026 | €622,000 | 39 m |
| 3 Sandyford Hall Dr, Kilgobbin Rd, Dublin 18 | May 2026 | €680,000 | 77 m |
| 33 Sandyford Hall Crescent, Kilgobbin Rd, Sandyford Dublin 18 | Jun 2026 | €685,000 | 165 m |
| 2 Sandyford Hall Crescent, Sandyford, Dublin 18 | Sept 2025 | €715,500 | 167 m |
| 7 Sandyford Hall Walk, Sandyford, Dublin 18 | Oct 2025 | €701,000 | 194 m |
| 10 The Court, Sandyford Hall, Sandyford Dublin 18 | Jul 2025 | €725,000 | 202 m |
| 92 Grianan Fidh, Aikens Village, Sandyford Dublin 18 | Jul 2025 | €470,000 | 210 m |
| 44 Belarmine Vale, Stepaside, Dublin 18 | Jan 2026 | €554,000 | 235 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 received20 January 2026
- Decision due26 March 2026
- Decision issued23 March 2026
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
For the construction of a two storey extension to the rear of the existing dwelling
20, Sandyford Hall Drive, Sandyford, Dublin 18.
D04B/0755Dún Laoghaire–RathdownLodged 15 Oct 2004Extension
- GrantedAt this site
Construction of bungalow with velux rooflights to attic conversion at side of existing house and vehicular…
26, Sandyford Hall Drive, Sandyford, Dublin 18
D04A/1239Dún Laoghaire–RathdownLodged 26 Oct 2004New dwelling
- Invalid30 m away
Proposed new upvc. porch doors to front and two storey extension incoporating velux rooflights to rear of…
14, Sandyford Hall Drive, Kilgobbin Road, Sandyford, Dubiln 18
D07B/0980Dún Laoghaire–RathdownLodged 5 Dec 2007Extension
- Granted30 m away
Permission is sought for proposed new upvc. porch doors to front and two storey extension incorporating velux…
14, Sandyford Hall Drive, Kilgobbin Road, Sandyford, Dubiln 18
D08B/0129Dún Laoghaire–RathdownLodged 22 Feb 2008Extension
- Granted40 m away
Construction of two storey dwelling, entrance/pavement dish and associated site works. [LOCATION] Side garden…
Side garden of, 15 Sandyford Hall Drive, Kilgobbin Road, Sandyford, Dublin, 18.
D02A/0039Dún Laoghaire–RathdownLodged 25 Jan 2002New dwelling
- Granted40 m away
To construct a single storey extension to the rear and alteration to the existing front bay window
17, Sandyford Hall Grove, Sandyford, Dublin 18
D04B/0865Dún Laoghaire–RathdownLodged 7 Dec 2004Extension
- Granted40 m away
Conversion of existing bay window to walk-in bay window and retention of 40 sq.m development to rear of…
25, Sandyford Hall Grove, Sandyford, Dublin 18
D07B/1019Dún Laoghaire–RathdownLodged 20 Dec 2007Retention
- Granted40 m away
Permission for a proposed attic conversion including a new dormer window to the rear, a part two storey and…
15 Sandyford Hall Grove, Sandyford, Dublin 18
D19B/0092Dún Laoghaire–RathdownLodged 27 Aug 2019Extension
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
Conversion of attic space with raised gable to minihip, velux to front and dormer to rear, single storey…
22, Walnut Lawn, Courtlands, Griffith Avenue, Dublin 9, D09 XOC2
WEB1234/26Dublin CityLodged 4 Feb 2026
- GrantedExtension
Construction of new attic dormer window to the rear of existing roof; conversion of existing attic to…
12, Hazelwood Crescent, Clondalkin, Dublin 22
SD21B/0015South DublinLodged 12 Jan 2021
- GrantedExtension
Conversion of existing attic to non-habitable space, raising of existing gable to form mini hip roof, window…
144, Monalea Grove, Dublin 24
SD23B/0361South DublinLodged 23 Aug 2023
- GrantedExtension
Conversion of existing attic space to non-habitable, with raised gable to form mini-hip dormer to rear velux…
14, Kingston Heights, Dublin 16, D16N526
D23A/0626Dún Laoghaire–RathdownLodged 28 Sept 2023
- InvalidExtension
Conversion of existing attic space to non-habitable space, with raised gable to form mini-hip, dormer to…
14, Kingston Heights, Ballinteer, Dublin 16, D16N526
D23B/0396Dún Laoghaire–RathdownLodged 22 Aug 2023
- GrantedExtension
Change of roof profile from hip end to full gable end to accommodate attic conversion with dormer extension…
19, Finnstown Cloisters, Lucan, Dublin
SD23B/0108South DublinLodged 14 Mar 2023
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