21, South Avenue, Mount Merrion, Co. Dublin.
Amendments to a previous permission to allow for a small single-storey kitchen extension at the rear.
D09A/0459 · Dun Laoghaire Rathdown County Council · Lodged 26 June 2009
- Reference
- D09A/0459
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 26 June 2009
Summary
AI-generatedThe applicant is seeking planning permission for amendments to a previously approved application (Ref. D09A/0015). The change consists of a single-storey rear extension to provide an additional 11.7 square meters of space for the kitchen and family room.
- Floor area
- 12 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 sought for amendments to previously granted planning permission ref. No. D09a/0015 to provide for a single storey extension to the rear to accommodate an 11.7sq. M extension to the kitchen / family room in accordance with lodged plans at 21, south avenue, mount merrion, co. Dublin.
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 |
|---|---|---|---|
| 50 Cherry Garth, Mount Merrion, Blackrock | May 2025 | €1,275,000 | 41 m |
| 14 South Avenue, Mount Merrion, Co Dublin | Sept 2025 | €920,000 | 56 m |
| 49 Thornhill Oaks, Cherry Garth, Mount Merrionprice excludes VAT | Jan 2025 | €1,145,374 | 102 m |
| 49 Thornhill Oaks, Cherry Garth, Mount Merrion | Dec 2025 | €1,430,135 | 108 m |
| 24 South Ave, Mount Merrion, Dublin | Dec 2025 | €1,580,000 | 110 m |
| 50 Thornhill Oaks, Cherry Garth, Mount Merrion | Sept 2025 | €1,500,000 | 112 m |
| 28 South Ave, Mount Merrion, Dublin | Sept 2025 | €1,400,000 | 128 m |
| 15 Cherry Garth, Mount Merrion, Blackrock | Apr 2025 | €1,110,000 | 144 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 received26 June 2009
- Decision issued17 August 2009
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- InvalidAt this site
Planning permission sought for amendments to previously granted planning permission Ref. no. D09A/0015 and…
21, South Avenue, Mount Merrion, Co. Dublin
D09A/0408Dún Laoghaire–RathdownLodged 8 Jun 2009Extension
- GrantedAt this site
Construction of a two storey extension to front (part) side and rear (part) plus single storey extension to…
21, South Avenue, Mount Merrion, Co. Dublin.
D08A/0350Dún Laoghaire–RathdownLodged 27 Mar 2008Extension
- RefusedAt this site
Partial demolition of existing two storey semi-detached dwelling and to reinstate a new two storey…
21, South Avenue, Mount Merrion, Co. Dublin.
D07A/1569Dún Laoghaire–RathdownLodged 13 Nov 2007Extension
- GrantedAt this site
Retention and completion of works including demolition and rebuilding of rear, side and front external walls…
21, South Avenue, Mount Merrion, Co. Dublin.
D09A/0015Dún Laoghaire–RathdownLodged 24 Mar 2009Retention
- GrantedAt this site
Permission is sought for a development consisting of a two storey extension to front, side and rear and…
21, South Avenue, Mount Merrion, Co.Dublin
D06B/1125Dún Laoghaire–RathdownLodged 21 Dec 2006Extension
- GrantedAt this site
Partial demolition of existing single storey extension to rear, conversion of garage, construction of first…
25 South Avenue, Mount Merrion, Co. Dublin.
D07A/1512Dún Laoghaire–RathdownLodged 31 Oct 2007Extension
- Refused30 m away
Demolition of existing single storey extension at rear of the existing semi-deta
27, South Avenue, Blackrock, Co Dublin
D07B/0421Dún Laoghaire–RathdownLodged 11 May 2007Demolition
- Granted30 m away
Demolition of existing single storey extension at rear of an existing semi-detached 2 storey dwelling and…
27, South Avenue, Mount Merrion, Dublin 18
D07B/0985Dún Laoghaire–RathdownLodged 13 Dec 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.
- InvalidExtension
Planning permission sought for amendments to previously granted planning permission Ref. no. D09A/0015 and…
21, South Avenue, Mount Merrion, Co. Dublin
D09A/0408Dún Laoghaire–RathdownLodged 8 Jun 2009
- GrantedAlterations
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 2002
- GrantedExtension
Permission for development consisting of demolition of existing single storey extension to rear and proposed…
Glenside, 63, Mount Merrion Avenue, Blackrock, Co Dublin, A94Y6W3
D20A/0922Dún Laoghaire–RathdownLodged 9 Dec 2020
- GrantedExtension
Extension to rear of existing dwelling part single storey, part two storey, including associated ground works…
5 Greenfield Road, Mount Merrion, Co. Dublin.
D02B/0434Dún Laoghaire–RathdownLodged 10 Jun 2002
- RefusedExtension
Planning permission sought for a single storey and attic extension to the front, side and to the rear at 47,…
47, Wilson Road, Mount Merrion, Co. Dublin
D09A/0409Dún Laoghaire–RathdownLodged 8 Jun 2009
- GrantedExtension
Ground floor extension to sides and rear, and for first floor extensions at sides. [LOCATION] 11 St. Thomas…
11 St. Thomas Mead, Mount Merrion, Co. Dublin.
D02B/0103Dún Laoghaire–RathdownLodged 5 Mar 2002
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