11, Proby Gardens, Blackrock, Co. Dublin
Conversion of a garage to a granny flat and first-floor extension in Blackrock.
D10A/0368 · Dun Laoghaire Rathdown County Council · Lodged 1 July 2010
- Reference
- D10A/0368
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 1 July 2010
Summary
AI-generatedPlanning permission is sought for the conversion and extension of an existing garage and adjoining room into a 38.6 sqm granny flat. The project also includes a 20 sqm first-floor extension to the north, a 5.7 sqm ground-level rear extension, and internal alterations.
- Floor area
- 64 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
Planning permission is sought for conversion and extension of existing garage and adjoining room to 38.6m2 'granny flat', 20m2 first floor extension to north, 5.7m2 single storey ground level extension to rear and internal alterations.
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 |
|---|---|---|---|
| 34 Avondale Lawn, Blackrock, Dublin | Apr 2026 | €960,000 | 48 m |
| 5 Proby Gardens, Blackrock, Dublin | Nov 2025 | €1,010,000 | 57 m |
| 8 Proby Square, Blackrock, Co Dublin | Sept 2025 | €1,520,000 | 120 m |
| 45 Avondale Lawn, Blackrock, Dublin | Jan 2026 | €1,158,000 | 131 m |
| 46 Avondale Lawn, Blackrock, Dublin | Sept 2025 | €1,470,000 | 139 m |
| 12 Proby Place, Proby Square, Carysfort Ave | Jun 2025 | €1,700,000 | 172 m |
| 7 Proby Place, Proby Square, Carysfort Avenue | Sept 2025 | €1,640,000 | 172 m |
| 1 Proby Place, Proby Square, Carysfort Avenue | May 2025 | €1,850,000 | 177 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 July 2010
- Decision issued19 August 2010
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 part demolition of side extension with construction of new two storey side extension,…
9 Proby Gardens, Blackrock, Co Dublin
D14B/0361Dún Laoghaire–RathdownLodged 28 Oct 2014Extension
- Granted30 m away
Permission is sought for the construction of a single storey extension to the side/rere, alterations to the…
13, Proby Gardens, Blackrock, Co. Dublin
D11B/0253Dún Laoghaire–RathdownLodged 29 Jul 2011Extension
- Granted40 m away
Permission for the construction of a 7.6 sq.m. front extension, and a new pitched roof, to existing front…
17 Avondale Court, Blackrock, Co. Dublin, A94 E2N3
D19B/0343Dún Laoghaire–RathdownLodged 22 Jul 2019Extension
- Granted40 m away
Planning permission sought for alterations to existing house to include removal of existing roof to side and…
7, Proby Gardens, Blackrock, Co. Dublin
D09B/0360Dún Laoghaire–RathdownLodged 19 Aug 2009Extension
- Granted40 m away
Permission is sought for extending dwelling by the demolition of existing garage and side annex and sheds and…
33, Avondale Lawn, Blackrock, Co. Dublin
D10A/0642Dún Laoghaire–RathdownLodged 23 Nov 2010Extension
- Granted40 m away
Demolition of an existing single storey utility room and boiler house and detached shed to the rear of an…
5, Lindenvale, Proby Square, Carysfort Avenue, Blackrock, Co. Dublin.
D07B/1020Dún Laoghaire–RathdownLodged 20 Dec 2007Extension
- Granted50 m away
Permission for the construction of a pitched roof over the existing flat concrete roof to front study
16 Avondale Court, Blackrock, Co. Dublin A94 P8C5
D20B/0025Dún Laoghaire–RathdownLodged 11 Feb 2020Alterations
- Granted50 m away
Extension to the side of the house at ground floor and first floor and an extension of the existing roof over…
6, Proby Garden, Blackrock, Co. Dublin.
D04B/0097Dún Laoghaire–RathdownLodged 12 Feb 2004Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- WithdrawnExtension
Planning permission for conversion of existing garage & utility room to side of existing house to include…
19, Ballymun Road, Glasnevin, Dublin 9
2308/18Dublin CityLodged 14 Feb 2018
- Awaiting decisionExtension
Planning permission is sought for proposed single storey extension to rear of existing two storey dwelling…
19 Oaklawns , Dublin Road , Carlow town
2360072CarlowLodged 8 May 2023
- GrantedExtension
Permission for (1) The conversion of an existing detached garage to habitable accommodation including…
1 College View , Old Youghal Road , Mayfield
2240942Cork CityLodged 16 Mar 2022
- GrantedExtension
Planning permission sought for two-storey Granny Flat extension to replace existing garage incl. extension at…
149 Clonsilla Road, Blanchardstown, Dublin 15, D15PF2A
FW24A/0170FingalLodged 19 Apr 2024
- GrantedExtension
Permission for the conversion of existing garage to granny flat together with alterations to elevations and…
22 Byefield Park , Mayfield , Cork
2140781Cork CityLodged 23 Dec 2021
- GrantedExtension
Permission for single storey ground floor granny flat extension to side and rear, incorporating former garage…
26 Meadowmount, Dundrum, Dublin 16
D15B/0342Dún Laoghaire–RathdownLodged 24 Mar 2016
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