21, South Avenue, Mount Merrion, Co. Dublin.
Retention and completion of works including rebuilding walls, a new roof, and extensions to a semi-detached house.
D09A/0015 · Dun Laoghaire Rathdown County Council · Lodged 24 March 2009
- Reference
- D09A/0015
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 24 March 2009
Summary
AI-generatedThis application seeks permission for the retention and completion of works including the demolition and rebuilding of external walls, internal walls, and the roof. It also includes the construction of a two-storey extension to the front, side, and rear, and a single-storey extension to the rear of an existing semi-detached house.
- 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
Retention and completion of works including demolition and rebuilding of rear, side and front external walls of house, demolition of internal walls at ground floor and first floor level, removal of roof and construction of new roof, all as part of construction of a two storey extension to front, side and rear and single storey extension to rear of existing two storey semi-detached house as previously approved under reg. Ref. D08a/0350, incorporating demolition of existing garage and sheds and...
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 | 45 m |
| 14 South Avenue, Mount Merrion, Co Dublin | Sept 2025 | €920,000 | 52 m |
| 49 Thornhill Oaks, Cherry Garth, Mount Merrionprice excludes VAT | Jan 2025 | €1,145,374 | 104 m |
| 24 South Ave, Mount Merrion, Dublin | Dec 2025 | €1,580,000 | 108 m |
| 49 Thornhill Oaks, Cherry Garth, Mount Merrion | Dec 2025 | €1,430,135 | 110 m |
| 50 Thornhill Oaks, Cherry Garth, Mount Merrion | Sept 2025 | €1,500,000 | 114 m |
| 28 South Ave, Mount Merrion, Dublin | Sept 2025 | €1,400,000 | 126 m |
| 15 Cherry Garth, Mount Merrion, Blackrock | Apr 2025 | €1,110,000 | 148 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 received24 March 2009
- Decision issued16 April 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
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
- GrantedAt this site
Planning permission sought for amendments to previously granted planning permission Ref. no. D09A/0015 to…
21, South Avenue, Mount Merrion, Co. Dublin.
D09A/0459Dún Laoghaire–RathdownLodged 26 Jun 2009Alterations
- 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
- 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
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.
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D08A/0976Dún Laoghaire–RathdownLodged 28 Aug 2008
- GrantedRetention
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2443271Cork CityLodged 19 Sept 2024
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Demolition of existing single storey extensions to the side and rear of existing two storey detached house,…
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D09A/0047Dún Laoghaire–RathdownLodged 28 Jan 2009
- GrantedRetention
Retention of (1) existing two-storey dwelling house and domestic garage as laid out on site from that as…
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2360507LouthLodged 5 Dec 2023
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Demolition of the existing single storey extensions, garage, sheds and bay windows to the sides and rear of…
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