46, Granville Park, Blackrock, Co. Dublin
Construction of a rear extension and a new mansard roof to provide first-floor living space.
D09A/0677 · Dun Laoghaire Rathdown County Council · Lodged 22 December 2009
- Reference
- D09A/0677
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 22 December 2009
Summary
AI-generatedPermission is sought to construct a new single-storey rear extension and to remove part of the existing roof to create first-floor accommodation under a new mansard-type roof. The works also include rendering the existing brickwork and widening the vehicular entrance.
- Storeys
- 2
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 the erection of a new single storey extension to the rear, removal of part of the existing roof in order to provide accommodation at first floor level with new mansard type roof over (ridge height maintained), rendering of the existing brickwork facades and widening of existing vehicular entrance.
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 |
|---|---|---|---|
| 59 Granville Park, Blackrock, Dublin | May 2026 | €1,140,000 | 101 m |
| 66 Granville Park, Blackrock, Co Dublin | Jul 2025 | €995,000 | 140 m |
| 3 Knocksinna Wood, Blackrock, County Dublin | Mar 2026 | €1,130,000 | 184 m |
| 5 Knocksinna Wood, Blackrock, Co. Dublin | Jul 2025 | €1,010,000 | 195 m |
| 21 Park Ave, Blackrock, Dublin | Apr 2026 | €985,000 | 218 m |
| 108 Foxrock Ave, Foxrock, Dublin 18 | Feb 2025 | €1,100,000 | 233 m |
| Reendonegan, Granvillle Rd, Blackrock | Apr 2026 | €2,397,500 | 233 m |
| 10 New Grange Rd, Blackrock, Dublin | Sept 2025 | €950,000 | 243 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 received22 December 2009
- Decision issued27 January 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 works to existing single storey detached house comprising partial attic conversion with…
46, Granville Park, Blackrock, Co. Dublin, A94 RK53
D18A/0195Dún Laoghaire–RathdownLodged 6 Mar 2018Extension
- RefusedAt this site
The erection of a new single storey extension to the rear, removal of the existing roof in order to provide…
Dunraven, 46, Granville Park, Blackrock, Dublin
D08A/0793Dún Laoghaire–RathdownLodged 8 Jul 2008Extension
- Granted30 m away
Permission is sought for an extension to a detached dwelling. Development will consist of - single storey…
42 Granville Park, Blackrock, Co. Dublin, A94 HY40
D22A/0069Dún Laoghaire–RathdownLodged 31 Jan 2022Extension
- Invalid50 m away
Construction of revised zinc-clad rear dormers to the south and east elevations.Construction of a revised…
38, Granville Park, Blackrock, Dublin, A94TW93
D26B/0101/WEBDún Laoghaire–RathdownLodged 19 Feb 2026Extension
- Granted50 m away
Construction of revised zinc-clad rear dormers to the south and east elevations. Construction of a revised…
38, Granville Park, Newpark, Blackrock, Co. Dublin, A94TW93
D26B/0106/WEBDún Laoghaire–RathdownLodged 23 Feb 2026Alterations
- Granted60 m away
Permission for changing of hipped roof at front l.h.s. to new raised brickwork gable wall to match existing…
38 Granville Park, Blackrock, Co Dublin
D19A/0163Dún Laoghaire–RathdownLodged 8 Mar 2019Extension
- Refused60 m away
Permission for changing of hipped roof at front l.h.s. to new raised brickwork gable wall to match existing…
38 Granville Park, Blackrock, Co Dublin
D18A/1016Dún Laoghaire–RathdownLodged 31 Oct 2018Extension
- Part granted, part refused60 m away
Construction of a new front porch, Construction of a new zinc-clad rear and side dormer (East and South),…
38, Granville Park, Newpark, Blackrock, Co. Dublin, A94TW93
D25B/0674/WEBDún Laoghaire–RathdownLodged 4 Dec 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.
- RefusedExtension
The erection of a new single storey extension to the rear, removal of the existing roof in order to provide…
Dunraven, 46, Granville Park, Blackrock, Dublin
D08A/0793Dún Laoghaire–RathdownLodged 8 Jul 2008
- GrantedExtension
Planning permission is sought for the construction of a 56 sq.m single storey extension to the side (East)…
3, Glen Grove, The Park, Cabinteely, Dublin 18.
D08A/0682Dún Laoghaire–RathdownLodged 12 Jun 2008
- GrantedExtension
Planning permission is sought for alterations to the front elevation, and the erection of a single storey…
24, Taney Crescent, Goatstown, Dublin 14
D11B/0125Dún Laoghaire–RathdownLodged 8 Apr 2011
- GrantedExtension
Permission is sought for: (i) a single storey flat roof extension to the rear and side with rooflights; (ii)…
14, Clare Road, Drumcondra, Dublin 9 D09 F9P1
3313/21Dublin CityLodged 11 Aug 2021
- GrantedExtension
Permission is sought for development consisting of the demolition of single storey side and rear extension,…
16 Rosmeen Park, Dun Laoghaire, Co. Dublin
D22A/0100Dún Laoghaire–RathdownLodged 10 Feb 2022
- GrantedExtension
Permission is sought for the extension. The proposed development will include the extension of the existing…
67 Trees Rd Upper, Mount Merrion, Blackrock, Co. Dublin A94 E9W
D20A/0434Dún Laoghaire–RathdownLodged 24 Sept 2020
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