1, Rochestown Park, Dun Laoghaire, Co. Dublin.
Demolition of a granny flat to build a new semi-detached two-storey house.
D09A/0252 · Dun Laoghaire Rathdown County Council · Lodged 9 April 2009
- Reference
- D09A/0252
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 9 April 2009
Summary
AI-generatedThe project involves the demolition of an existing granny flat, conservatory, and garden shed. In its place, a new semi-detached two-storey, two-bedroom house will be constructed alongside the existing dwelling, including a relocated vehicular entrance.
- Residential unit
- 1
- 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
Demolition of the existing granny flat and the construction of a new semi-detached 2 storey, 2 bedroom house attached to the side of the existing dwelling: the house comprises a two storey form with single storey projections at ground level to the front: removal of the existing conservatory and the garden shed is proposed. Relocation of the vehicular entrance to serve the existing house and the creation of a new entrance is proposed and associated site development 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.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 411 Pearse Villas, Sallynoggin, Co Dublin | Jan 2026 | €590,000 | 76 m |
| 55 Rochestown Park, Dun Laoghaire, Dublin | May 2026 | €715,000 | 106 m |
| 54 Rochestown Park, Dun Laoghaire, Dublin | Jun 2025 | €680,000 | 112 m |
| 8 Knocknagarm Park, Glenageary, County Dublin | May 2025 | €700,000 | 124 m |
| 4 Knocknagarm Park, Glenageary, Dublin | Jun 2026 | €691,000 | 127 m |
| 3 Knocknagarm Park, Glenegeary, Dublin | Apr 2026 | €940,000 | 132 m |
| 2 Knocknagarm Park, Glenageary, Dublin | Feb 2025 | €925,000 | 133 m |
| 1 Knocknagarm Park, Glenageary, Dublin | May 2025 | €860,000 | 156 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 received9 April 2009
- Decision issued28 May 2009
- Appeal submitted24 June 2009
- Appeal decided6 October 2009
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 is sought for alteration to existing planning permission (Reg. Ref. D10A/0035). The application…
1, Rochestown Park, Dun Laoghaire, Co. Dublin
D11B/0089Dún Laoghaire–RathdownLodged 21 Mar 2011Alterations
- GrantedAt this site
Planning permission for the demolition of existing granny flat and the construction of a new semi-detached…
1, Rochestown Park, Dun Laoghaire, Co. Dublin
D10A/0035Dún Laoghaire–RathdownLodged 25 Jan 2010New dwelling
- Granted30 m away
For single storey extension to rear
3, Rochestown Park, Dun Laoghaire, Co. Dublin
D06B/0443Dún Laoghaire–RathdownLodged 18 May 2006Extension
- Granted30 m away
Planning permission is sought for a single storey extension to the front to include 2 no. roof lights plus…
407, Pearse Villas, Sallynoggin, Co. Dublin
D08B/0574Dún Laoghaire–RathdownLodged 31 Jul 2008Extension
- Granted40 m away
Widening of existing vehicular entrance from 2.8m to 3.5m to include reinstating existing brick pillar with…
32, Glenageary Court, Glenageary, Dublin, A96H2R8
D23A/0701Dún Laoghaire–RathdownLodged 8 Nov 2023Alterations
- Granted40 m away
Retention of (1) single storey porch to front of house; (2) 2 storey extension to rear of house: (3)…
28, Glenageary Court, Glenageary, Co. Dublin
D04A/0407Dún Laoghaire–RathdownLodged 14 Apr 2004Retention
- Granted40 m away
Permission for (1) an in-fill 12.37 m2 single storey extension to the rear, (2) a 34.34 m2 single storey…
65A, Rochestown Park, Dun Laoghaire, County Dublin
D19B/0507Dún Laoghaire–RathdownLodged 11 Dec 2019Extension
- Refused40 m away
Demolition of single storey garage and kitchen and building on the site a two storey house attached to No. 4…
4, Rochestown Park, Dun Laoghaire, Co. Dublin
D06A/0165Dún Laoghaire–RathdownLodged 8 Feb 2006New dwelling
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedNew dwelling
Planning permission for the demolition of existing granny flat and the construction of a new semi-detached…
1, Rochestown Park, Dun Laoghaire, Co. Dublin
D10A/0035Dún Laoghaire–RathdownLodged 25 Jan 2010
- RefusedNew dwelling
Demolition of a rear garden out building and the existing granny flat to the side of the existing house, with…
19B Sycamore Lawn, Castleknock, Dublin 15, D15DEA4
FW26A/0124EFingalLodged 25 Mar 2026
- RefusedNew dwelling
Permission is sought for the demolition of a rear garden out building and the existing granny flat to the…
19B Sycamore Lawn, Castleknock, Dublin 15, D15DEA4
FW24A/0514EFingalLodged 10 Dec 2024
- GrantedExtension
The development will consist of demolition of existing garage and construction of a new two storey with…
Auburn, 91, Clontarf Road, Clontarf, Dublin 3
3386/18Dublin CityLodged 28 Jun 2018
- RefusedNew dwelling
The development will consist of the demolition of the existing granny flat and the construction of a new two…
88, Mountain Park, Tallaght, Dublin 24.
SD04A/0742South DublinLodged 4 Oct 2004
- GrantedNew dwelling
The development will consist of demolition of existing granny flat construction of a detached two storey…
1, Heather Park, Ballinteer, Dublin 16
D05A/0475Dún Laoghaire–RathdownLodged 15 Apr 2005
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