12 South Avenue, Mount Merrion, Co Dublin
Retention of a side and rear extension, a sunroom, and a garage conversion.
D02B/0901 · Dun Laoghaire Rathdown County Council · Lodged 6 December 2002
- Reference
- D02B/0901
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission for Retention
- Received
- 6 December 2002
Summary
AI-generatedThe application seeks planning permission to retain an existing side and rear extension, a sunroom, and a completed garage conversion at the residential property.
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
Retention of side rear extension, sun room and garage conversion.
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 |
|---|---|---|---|
| 14 South Avenue, Mount Merrion, Co Dublin | Sept 2025 | €920,000 | 16 m |
| 24 South Ave, Mount Merrion, Dublin | Dec 2025 | €1,580,000 | 101 m |
| 50 Cherry Garth, Mount Merrion, Blackrock | May 2025 | €1,275,000 | 111 m |
| 28 South Ave, Mount Merrion, Dublin | Sept 2025 | €1,400,000 | 120 m |
| 32 South Ave, Mount Merrion, Dublin | Jan 2026 | €1,725,000 | 146 m |
| 49 Thornhill Oaks, Cherry Garth, Mount Merrionprice excludes VAT | Jan 2025 | €1,145,374 | 150 m |
| 49 Thornhill Oaks, Cherry Garth, Mount Merrion | Dec 2025 | €1,430,135 | 158 m |
| 50 Thornhill Oaks, Cherry Garth, Mount Merrion | Sept 2025 | €1,500,000 | 164 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 received6 December 2002
- Decision issued3 February 2003
- Appeal submitted3 March 2003
- Appeal decided2 July 2003
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
Amendment to previously granted planning (Ref D01A/0821) namely glazed elevation in lieu of proposed sun room…
8 South Avenue, Mount Merrion, Co. Dublin.
D02B/0428Dún Laoghaire–RathdownLodged 10 Jun 2002Alterations
- Granted30 m away
Extension of existing 2-storey, semi-detached house. Works to include part 1-storey, part 2-storey extension…
6, South Avenue, Kilmacud, Co. Dublin
D06A/1073Dún Laoghaire–RathdownLodged 25 Jul 2006Extension
- Granted40 m away
Permission for development . The development will consist of; converting the existing garage to contain a…
4 South Avenue, Mount Merrion, Co. Dublin, A94 CH96
D21B/0220Dún Laoghaire–RathdownLodged 4 May 2021Extension
- Granted40 m away
Demolition of garage and sheds to side and rear and part of rear extension, the construction of a 2-storey…
2, Thornhill Road, Mount Merrion, Co Dublin
D07B/0888Dún Laoghaire–RathdownLodged 24 Oct 2007Extension
- Refused50 m away
Permission is sought for the demolition of garage and sheds to side and rear and part of rear extension, the…
2, Thornhill Road, Mount Merrion, Co Dublin
D07B/0675Dún Laoghaire–RathdownLodged 24 Jul 2007Extension
- Granted50 m away
Permission for a two storey domestic extension (66m2) to the side and rear
107, Lower Kilmacud Road, Stillorgan, Co. Dublin
D19B/0296Dún Laoghaire–RathdownLodged 23 Dec 2019Extension
- Refused50 m away
Detached two storey house
2, South Avenue, Mount Merrion, Co. Dublin
D06A/0718Dún Laoghaire–RathdownLodged 2 May 2006New dwelling
- Granted50 m away
Permission for the demolition of a detached garage and extant rear extension (7.5M2) and construction of a…
107, Lower Kilmacud Road, Stillorgan, Co. Dublin
D22B/0381Dún Laoghaire–RathdownLodged 18 Aug 2022Extension
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
Retention of the conversion of garage which is attached to side of dwelling and sun room to rear
33, Forest Close, Dublin 24
SD14B/0197South DublinLodged 23 Jul 2014
- GrantedRetention
Retention of garage and sunroom extensions to the existing dwelling
Ballydaniel, Ballymacoda, Co Cork,
135140corkLodged 17 Jun 2013
- GrantedRetention
Retention of garage extension and sunroom extension to dwellinghouse
No.12, Hillcrest , Kilmoney, Carrigaline,
084143corkLodged 14 Jan 2008
- GrantedRetention
Retention of existing detached garage and sun-room extension
Freahanes, Rosscarbery, Co. Cork,
16183corkLodged 31 Mar 2016
- InvalidRetention
Retention of single storey sun room extension to rear of house
7 Waterside Rise, Swords Road, Malahide, Co. Dublin
F17B/0135FingalLodged 25 May 2017
- GrantedRetention
Retention of existing extension to the rear and side for the provision of a sun room
19, Elmbrook Walk, Lucan, Co. Dublin.
SD05B/0049South DublinLodged 12 Apr 2005
Community
Discussion
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