27, South Avenue, Mount Merrion, Dublin 18
Demolition of a rear extension to build a new rear extension, first-floor side extension, and attic conversion.
D07B/0985 · Dun Laoghaire Rathdown County Council · Lodged 13 December 2007
- Reference
- D07B/0985
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 13 December 2007
Summary
AI-generatedThe project involves demolishing a rear extension and constructing a new 52.6 sq.m. single-storey rear extension. It also includes a 21.1 sq.m. first-floor side extension, a 43.1 sq.m. attic conversion with dormer windows, and front facade remodelling.
- Floor area
- 117 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
Demolition of existing single storey extension at rear of an existing semi-detached 2 storey dwelling and construction of new single storey extension to rear of 52.6 sq. M. New first floor extension to side consisting of 21.1 sq. M. Conversion of the attic space to guest bedroom/study use of 43.1 sq. M. With 2 new dormer roof windows to rear and new glazed rooflights to front, re-modelling of the front facade to re-instate the previous original entrance arch and install a new 2 storey bay window...
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 | 52 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 | 82 m |
| 24 South Ave, Mount Merrion, Dublin | Dec 2025 | €1,580,000 | 86 m |
| 49 Thornhill Oaks, Cherry Garth, Mount Merrion | Dec 2025 | €1,430,135 | 90 m |
| 50 Thornhill Oaks, Cherry Garth, Mount Merrion | Sept 2025 | €1,500,000 | 95 m |
| 28 South Ave, Mount Merrion, Dublin | Sept 2025 | €1,400,000 | 103 m |
| 32 South Ave, Mount Merrion, Dublin | Jan 2026 | €1,725,000 | 125 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 received13 December 2007
- Decision issued14 February 2008
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- RefusedAt this site
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
- 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
- GrantedAt this site
Planning Permission for Attic conversion to convert and extended ridgeline from hip roof to create gable with…
29, South Avenue, Mount Merrion, Blackrock, Co. Dublin, A94R8D4
D24B/0421/WEBDún Laoghaire–RathdownLodged 3 Oct 2024Extension
- GrantedAt this site
Alterations to side windows, new single storey and two storey rear extension, garage conversion, new porch to…
29A, South Avenue, Mount Merrion, Blackrock, Co. Dublin.
D04A/0046Dún Laoghaire–RathdownLodged 19 Jan 2004Extension
- Granted30 m away
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
- Granted30 m away
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
- Granted30 m away
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
- Invalid30 m away
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
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SD15B/0151South DublinLodged 6 May 2015
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D06B/0786Dún Laoghaire–RathdownLodged 29 Aug 2006
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SD21B/0341South DublinLodged 14 Jun 2021
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- Part granted, part refusedExtension
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