18 Deans Grange Road, Blackrock, Co. Dublin
Conversion of a domestic garage into living space, replacing the flat roof with a pitched roof and updating the front facade.
D20B/0091 · Dun Laoghaire Rathdown County Council · Lodged 25 March 2020
- Reference
- D20B/0091
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 25 March 2020
Summary
AI-generatedPermission is sought to remove the existing concrete flat roof of a domestic garage and construct a matching pitched tile roof. The project also includes changing the garage's use to habitable space, replacing the garage door with a window, and updating the front elevation with new plaster and stone cladding.
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 to remove existing concrete flat roof and to construct a pitched tile roof over existing domestic garage to match existing dwelling and for a change of use of existing domestic garage to habitable space and removal of existing garage door and replacement with new window to match, also to remove dry-dash render to front elevation and replaster with knap render finish with and natural stone cladding to recessed entrance area.
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 25 August 2020.
Notified floor area: 11.45 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 17 Deansgrange Road, Blackrock, Co Dublin | Aug 2025 | €1,020,000 | 14 m |
| 32 Springhill Park, Blackrock, Dublinnot full market price | Dec 2025 | €533,333 | 58 m |
| Rock View, Deans Grange Rd, Blackrock | Jun 2026 | €1,142,500 | 89 m |
| 3 St Fintans Villas, Deans Grange, Dublin | Mar 2026 | €525,000 | 116 m |
| 7 St Fintans Villas, Deans Grange, Blackrock | Jun 2026 | €725,000 | 142 m |
| 4 St Fintans Park, Deans Grange, Blackrock | Feb 2025 | €552,000 | 172 m |
| 14 St Fintan'S Villas, Deansgrange, Blackrock | Apr 2026 | €480,000 | 186 m |
| 18 Springhill Ave, Blackrock, Dublin | Sept 2025 | €770,000 | 195 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 received25 March 2020
- Decision issued26 June 2020
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 for (1) Widening of existing vehicular entrance from 3000mm to 3500mm. (2) Extending existing…
Hanalow, 17 Deansgrange Road, Deansgrange, Co. Dublin
D20A/0563Dún Laoghaire–RathdownLodged 13 Aug 2020Extension
- GrantedAt this site
Permission for a development as follows: Reconstruct and extend the existing garage and utility area to the…
20, Deansgrange Road, Blackrock, Co Dublin, A94F9T3
D21A/0046Dún Laoghaire–RathdownLodged 22 Jan 2021Extension
- Granted30 m away
Permission for the demolition of the existing sunroom and garage to erect a single storey extension and…
16 Deansgrange Road, Blackrock, Co Dublin
D15B/0189Dún Laoghaire–RathdownLodged 25 May 2015Extension
- Invalid40 m away
A ground floor single storey porch extension to the front of the existing house and all associated ancillary…
15, Deansgrange Road, Blackrock, Co. Dublin, A94X5H0
D26B/0212/WEBDún Laoghaire–RathdownLodged 9 Apr 2026Extension
- Granted40 m away
A ground floor single storey porch extension to the front of the existing house and all associated ancillary…
15, Deansgrange Road, Blackrock, Dublin, A94X5H0
D26B/0214/WEBDún Laoghaire–RathdownLodged 9 Apr 2026Extension
- Invalid40 m away
Amendments to the grant of planning permission (Reg. Ref. No. D25A/0029/WEB) to comprise the construction of…
32, Springhill Park, Blackrock, Co. Dublin, A94FP97
D26A/0239/WEBDún Laoghaire–RathdownLodged 27 Mar 2026Extension
- Granted40 m away
Amendments to the grant of planning permission (Reg. Ref. No. D25A/0029/WEB) to comprise the construction of…
32 Springhill Park, Blackrock, Co. Dublin, A94FP97
D26A/0253/WEBDún Laoghaire–RathdownLodged 31 Mar 2026Alterations
- Granted50 m away
The construction of a one & a half story high side extension to comprise an entrance hall and staircase, and…
32, Springhill Park, Blackrock, Co. Dublin, A94FP97
D25A/0029/WEBDún Laoghaire–RathdownLodged 14 Jan 2025Extension
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 development consisting of the removal and replacement of existing concrete flat roof over…
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D13B/0316Dún Laoghaire–RathdownLodged 24 Sept 2013
- GrantedAlterations
For change of use of part of existing garage and permission to construct a new pitched roof to the existing…
No 1 Oakwood , Kilfera , Bennettsbridge Road
16396KilkennyLodged 22 Jun 2016
- GrantedExtension
Permission sought for (a) the replacement of existing flat roof with pitched roof to single storey elements…
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D08B/0487Dún Laoghaire–RathdownLodged 30 Jun 2008
- GrantedExtension
Permission for the change of use of an attached domestic garage to living accommodation to include for change…
28 Cypress Gardens , Bay Estate , Dundalk Co Louth
21983LouthLodged 6 Aug 2021
- GrantedExtension
Permission sought for the conversion of existing garage at side, raising of floor and flat roof levels.…
27 Dun Emer Drive, Drummartin, Dublin 16, D16W2R5
D20B/0145Dún Laoghaire–RathdownLodged 25 May 2020
- GrantedAlterations
Permission for alterations to existing dwelling to include (i) Modification and conversion of existing garage…
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