20 Rosehill, Carysfort Avenue, Blackrock, Co Dublin
Roof alterations to convert the attic into storage and office space.
D17B/0490 · Dun Laoghaire Rathdown County Council · Lodged 1 November 2017
- Reference
- D17B/0490
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 1 November 2017
Summary
AI-generatedThe application seeks permission to alter the existing hipped roof to a gabled roof. This will facilitate the conversion of the attic space into a storage area and office, including a new window in the proposed gable.
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 alterations to the existing hipped roof to create a gabled roof to facilitate the conversion of the attic to a storage space and office, including a new window in proposed gable and ancillary 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 March 2018.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| Villa Rosa, Rosehill, Carysfort Ave | Sept 2025 | €965,000 | 54 m |
| 85 Rosehill, Blackrock, Co Dublin | Jul 2026 | €1,225,000 | 88 m |
| 28 Fairyhill, Blackrock, Dublin | Sept 2025 | €990,000 | 101 m |
| 6 Hawthorn Manor, Blackrock, Dublin | Jul 2025 | €705,000 | 119 m |
| 19 Newtown Park, Blackrock, Dublin | Feb 2026 | €840,000 | 159 m |
| 35 Fairyhill, Blackrock, Dublin | Jul 2025 | €905,000 | 174 m |
| 1 Orchard Lane, Newtown Park, Blackrock | Apr 2025 | €780,000 | 193 m |
| 6 Fleurville, Carysfort Avenue, Blackrock | Feb 2025 | €655,000 | 203 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 received1 November 2017
- Decision issued19 December 2017
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
New vehicular entrance involving (a) removal of section of existing front boundary wall, (b) new pier to…
19, Rosehill, Carysfort Avenue, Blackrock, Co. Dublin.
D06A/1733Dún Laoghaire–RathdownLodged 28 Nov 2006Alterations
- RefusedAt this site
Construction of 1 no. Mews House consisting of a double garage domestic workshop and habitable area and…
17, Rosehill, Carysfort Avenue, Blackrock, Dublin
D06A/0277Dún Laoghaire–RathdownLodged 28 Feb 2006New dwelling
- GrantedAt this site
Permission for development of new vehicular entrance and driveway for provision of car parking to front of…
17, Rosehill, Carysfort Avenue, Blackrock, Co. Dublin
D13A/0105Dún Laoghaire–RathdownLodged 11 Mar 2013Alterations
- GrantedAt this site
Garage and storage area
17, Rosehill, Carysfort Avenue, Blackrock, Co. Dublin
D07B/0238Dún Laoghaire–RathdownLodged 22 Mar 2007
- Granted30 m away
Permission for development which will consist of construction of a two storey 5 bed dwelling; shared access…
Rosehill House, Carysfort Avenue, Blackrock, Co. Dublin
D12A/0362Dún Laoghaire–RathdownLodged 26 Nov 2012New dwelling
- Refused30 m away
Demolish existing double garage to the rear of the site of my existing house, (which does not involve the…
16, Rosehill, Carysfort Avenue, Blackrock, Co. Dublin
D06A/0278Dún Laoghaire–RathdownLodged 28 Feb 2006New dwelling
- Granted30 m away
Permission for the proposed conversion of existing attic space of existing two storey semi-detached type…
16, Rosehill, Carysfort Avenue, Blackrock, Co. Dublin
D14B/0127Dún Laoghaire–RathdownLodged 8 Apr 2014Extension
- Granted40 m away
Permission for development consisting of changes to previously approved dwelling (Reg Ref D12A/0362)…
Rosehill House, Carysfort Avenue, Blackrock, Co. Dublin
D13A/0380Dún Laoghaire–RathdownLodged 25 Jul 2013Alterations
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 the alterations to existing hipped roof profile, construction of a gable wall with one gable…
53 Slieve Rua Drive, Stillorgan, Co. Dublin
D19B/0525Dún Laoghaire–RathdownLodged 23 Dec 2019
- GrantedExtension
Permission for (1) change of use of existing attic to home office/storage use (2) to replace the existing…
55 Boroimhe Hazel, Swords, Co. Dublin
F25A/0340FingalLodged 23 Apr 2025
- GrantedExtension
Permission for conversion of attic to storage, including altering the existing hip ended roof to a half hip…
80 Clonkeen Road, Blackrock, Co Dublin
D14B/0373Dún Laoghaire–RathdownLodged 4 Nov 2014
- GrantedExtension
Permission is sought for an attic conversion for use as office to consist of modifying existing roof from a…
25 Kelly's Bay Parade, Skerries, Co. Dublin, K34 RK60
F25A/0032EFingalLodged 16 Jan 2025
- GrantedExtension
Permission is sought for the conversion of the attic space for the use as a storage area to include removal…
10 Maple Close, Castleknock, Dublin 15, D15 C6TV
FW25A/0353FingalLodged 21 Aug 2025
- GrantedExtension
Permission sought for conversion of the attic area to a storeroom to include realignment of the main hipped…
51 Villa Park Gardens, Navan Road, Dublin 7, D07 XO5K
3974/22Dublin CityLodged 16 May 2022
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