4, Grange Grove, Deansgrange, Blackrock, County Dublin
Retention of a single-storey flat roof extension to the side and rear of the house in Blackrock.
D23B/0305 · Dun Laoghaire Rathdown County Council · Lodged 28 June 2023
- Reference
- D23B/0305
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission for Retention
- Received
- 28 June 2023
Summary
AI-generatedRetention permission is sought for a 40 square metre single-storey flat roof extension. The extension comprises a kitchen area, a terrace area, and a garage.
- Storey
- 1
- Floor area
- 40 m²
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 is sought for retention of single storey flat roof extension
- 40m2 - to the side and rear of the existing house, comprising kitchen area 13.7m2, terrace area 8.7m2 and garage 16.9m2
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 |
|---|---|---|---|
| 12 Grange Grove, Stradbrook, Blackrock | Feb 2026 | €580,000 | 55 m |
| Rock View, Deans Grange Rd, Blackrock | Jun 2026 | €1,142,500 | 108 m |
| 138 Rockford Park, Blackrock, Dublinnot full market price | Aug 2025 | €450,000 | 109 m |
| 29a Brookville Park, Blackrock, Co Dublinnot full market price | Jan 2025 | €392,000 | 119 m |
| 88 Rockford Park, Blackrock Dublin 6, Dublin | Nov 2025 | €685,000 | 124 m |
| 87 Rockford Park, Blackrock, Dublin | Dec 2025 | €502,000 | 128 m |
| 17 Deansgrange Road, Blackrock, Co Dublin | Aug 2025 | €1,020,000 | 176 m |
| 67 Rockford Park, Deans Grange, Dublin | Jul 2025 | €547,500 | 178 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 received28 June 2023
- Decision due22 August 2023
- Decision issued17 August 2023
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 a single storey side extension to an existing house comprising of kitchen extension, utility…
5, Grange Grove, Deansgrange, Blackrock, Co. Dublin
D16B/0229Dún Laoghaire–RathdownLodged 1 Jun 2016Extension
- Exempt — no permission needed30 m away
To convert the existing garage to a habitable space ancillary to the existing dwelling by externally…
1 Grange Grove, Deansgrange, Blackrock, Dublin, A94 W525
REF8925Dún Laoghaire–RathdownLodged 9 May 2025Alterations
- Granted40 m away
Two storey extension of 27m2 to the side of existing house
Woodland, Deansgrange Road, Blackrock, Co Dublin
D02B/0956Dún Laoghaire–RathdownLodged 19 Dec 2002Extension
- Granted40 m away
Permission for retention for a single storey, ground floor, kitchen and dining room rear extension
Woodland, Deansgrange Road, Blackrock, Co Dublin
D14B/0274Dún Laoghaire–RathdownLodged 31 Jul 2014Retention
- Granted40 m away
Permission sought for retention of single storey flat roof extension at the side and rear of existing house,…
10, Grange Grove, Deansgrange, Blackrock, Dublin, A94V592
D24B/0342Dún Laoghaire–RathdownLodged 29 Jul 2024Retention
- Granted40 m away
To construct a single storey kitchen/utility extension (with rooflights to the front face of the roof) to the…
9, Grange Grove, Blackrock, Co. Dublin
D04B/0776Dún Laoghaire–RathdownLodged 27 Oct 2004Extension
- Granted70 m away
Attic dormer to the rear, new rooflight to the front, blocking an existing window opening to the side,…
Arvela, 3 Deansgrange Road, Deansgrange, Blackrock, Dublin, A94K2P2
D24B/0024Dún Laoghaire–RathdownLodged 25 Jan 2024Extension
- Granted70 m away
Permission for construction of a two-storey, pitched roofed extension to the rear continuing the existing…
Arvela, 3 Dean's Grange Road, Deansgrange, Blackrock, Co Dublin
D16B/0290Dún Laoghaire–RathdownLodged 4 Jul 2016Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedRetention
Permission for Retention of rear ground floor and first floor extension with flat roofs, replacement existing…
39 Barnhill Road, Dalkey, Co Dublin
D19A/0304Dún Laoghaire–RathdownLodged 2 May 2019
- GrantedRetention
Permission for retention of extensions to dwelling (rear flat roof kitchen & porch extension, front porch…
No 5 St Endas Terrace , Ballyellen and Tomdarragh , Goresebridge
17315CarlowLodged 6 Nov 2017
- InvalidRetention
Permission for Retention of garage conversion, enclosed side passage with extended open sided awning with…
35, Shrewsbury Road, Shankill, Dublin 18, D18W102
D25B/0110Dún Laoghaire–RathdownLodged 28 Feb 2025
- GrantedExtension
Retention of existing single storey extension to rear of existing dwelling house, Permission to demolish the…
Monanimy Lower, Killavullen, Mallow, Co. Cork
164013corkLodged 8 Jan 2016
- GrantedRetention
Retention permission to retain the flat roof extension at the west side of the dwelling house, and the raised…
Kerries East , Tralee , Tralee
2560474KerryLodged 4 Jun 2025
- GrantedExtension
Permission for Retention of existing garage conversion and also for new single storey extension to rear for…
54 Johnstown Park, Glenageary, Co Dublin
D17B/0019Dún Laoghaire–RathdownLodged 13 Jan 2017
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