223 Rochestown Avenue, Dun Laoghaire, Co. Dublin.
First-floor side extension and conversion of a garage into a study and utility room.
D02B/0215 · Dun Laoghaire Rathdown County Council · Lodged 16 April 2002
- Reference
- D02B/0215
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 16 April 2002
Summary
AI-generatedPermission is sought for a first-floor extension to the side of the property. The project also includes the change of use of the existing garage into a study and utility room.
- 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
First floor extension to side and change of use of garage to study and utility room. [location] 223 rochestown avenue, dun laoghaire, co. Dublin. [location]
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 |
|---|---|---|---|
| 1 Glenview, Rochestown Avenue, Dun Laoghaire | Feb 2026 | €875,000 | 74 m |
| 5 Glenview, Rochestown Ave, Dun Laoghaire | Nov 2025 | €1,000,000 | 81 m |
| 2 Drumkeen Manor, Rochestown Ave, Dun Laoghaire | Apr 2026 | €626,000 | 108 m |
| 22 Drumkeen Manor, Rochestown Ave, Killiney | Jan 2025 | €675,000 | 137 m |
| 14 Drumkeen Dr, Off Rochestown Ave, Dun Laoghaire | Jan 2026 | €730,000 | 154 m |
| 84 Beechwood Lawn, Rochestown Ave, Dun Laoghaire | Aug 2025 | €745,500 | 170 m |
| 12 Thomastown Rd, Killiney, Dublin | Apr 2026 | €785,000 | 184 m |
| 176 Rochestown Ave, Dun Laoghaire, Dublin | Mar 2026 | €670,000 | 199 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 received16 April 2002
- Decision issued29 May 2002
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
Retention of development consisting of change of use of garage to granny flat and retention of first floor…
223, Rochestown Avenue, Dun Laoghaire, Co. Dublin
D05A/0948Dún Laoghaire–RathdownLodged 25 Jul 2005Retention
- GrantedAt this site
Attic conversion with dormer roof to the rear — 4 no. roof lights to the front of existing roof and…
219, Rochestown Avenue, Dun Laoghaire, Co. Dublin
D05B/0311Dún Laoghaire–RathdownLodged 14 Sept 2005Extension
- Granted30 m away
Subdivision of the existing semi-detached dwelling house and site, into 2 separate dwelling units, involving…
11 Beechwood Lawn, Glenageary, Co. Dublin.
D02A/0107Dún Laoghaire–RathdownLodged 18 Feb 2002New dwelling
- Granted40 m away
Permission is sought for the construction of; a) a ground floor kitchen extension to the rear, b) a ground…
13, Beechwood Lawn, Dun Laoghaire, Dublin
D07B/0416Dún Laoghaire–RathdownLodged 10 May 2007Extension
- Granted50 m away
Permission for development of a single storey extension to the front elevation and external thermal…
6, Beechwood Lawn, Dun Laoghaire, Co Dublin
D13B/0073Dún Laoghaire–RathdownLodged 5 Mar 2013Extension
- Granted80 m away
For development on this site. The development will consist of the following construction of single storey…
100, Beechwood Lawn, Dun Laoghaire, Co. Dublin
D05A/0136Dún Laoghaire–RathdownLodged 2 Feb 2005Extension
- Granted80 m away
Permission for an extension at first floor level to the side and rear of existing dwelling and all associated…
99 Beechwood Lawns, Dún Laoghaire, Co Dublin
D15B/0197Dún Laoghaire–RathdownLodged 27 May 2015Extension
- Granted80 m away
Permission is sought for a first floor extension to existing boiler house at side of house
Drumkeen House, Rochestown Avenue, Dun Laoghaire, Co Dublin
D07B/0449Dún Laoghaire–RathdownLodged 17 May 2007Extension
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
Domestic extension at first floor level over the existing previously converted garage. [LOCATION] 2 Auburn…
2 Auburn Avenue, Dun Laoghaire, Co. Dublin.
D02B/0285Dún Laoghaire–RathdownLodged 8 May 2002
- GrantedExtension
Two storey extension to the side of our existing dwelling house, covered patio, detached garage and…
South Hill, Johnstown Avenue, Rochestown Avenue, Dun, Laoghaire, Co. Dublin.
D02B/0019Dún Laoghaire–RathdownLodged 18 Jan 2002
- GrantedExtension
Erect a two storey side extension [LOCATION] 8 Drumkeen Manor, Rochestown Avenue, Dun Laoghaire, Co. Dublin.…
8 Drumkeen Manor, Rochestown Avenue, Dun Laoghaire,, Co. Dublin.
D02B/0538Dún Laoghaire–RathdownLodged 10 Jul 2002
- GrantedExtension
Replace existing garage with larger garage and new room above. [LOCATION] No 4 Mounttown Park, Dun Laoghaire,…
No 4 Mounttown Park, Dun Laoghaire, Co. Dublin.
D02B/0334Dún Laoghaire–RathdownLodged 20 May 2002
- GrantedExtension
2 storey extension to the rear and the addition of 3 No. roof lights and modifications to the front.…
6 Crofton Mews, Dun Laoghaire, Co. Dublin.
D02B/0595Dún Laoghaire–RathdownLodged 23 Jul 2002
- GrantedExtension
Alterations to existing house conversion of attic to storage space and two storey extension to rear.…
55 Sallynoggin Park, Dun Laoghaire, Co. Dublin.
D02B/0564Dún Laoghaire–RathdownLodged 15 Jul 2002
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