56, Cherrygarth, Mount Merrion, Co. Dublin.
Extension and alterations to a house, including a first-floor extension over a converted garage and widening the driveway.
D09A/0681 · Dun Laoghaire Rathdown County Council · Lodged 6 November 2009
- Reference
- D09A/0681
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 6 November 2009
Summary
AI-generatedThe project includes a new single-storey front extension and a first-floor bedroom extension over the former garage. The garage will be converted into a study, and the driveway entrance will be widened to 3.5 metres to accommodate a new front parking area.
- 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
Permission is sought for a new single storey extension to front, new first floor bedroom over former garage to front and side with roof alterations, conversion of garage to study and ancillary accommodation, widen existing car vehicular entrance to 3.5 m, new driveway to new car park to front, all to a 2 storey detached 4 bedroom house.
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 | 73 m |
| 14 South Avenue, Mount Merrion, Co Dublin | Sept 2025 | €920,000 | 116 m |
| 11 Cherry Garth, Mount Merrion, Dublin | Jan 2025 | €1,051,000 | 144 m |
| 15 Cherry Garth, Mount Merrion, Blackrock | Apr 2025 | €1,110,000 | 160 m |
| 49 Thornhill Oaks, Cherry Garth, Mount Merrionprice excludes VAT | Jan 2025 | €1,145,374 | 162 m |
| 49 Thornhill Oaks, Cherry Garth, Mount Merrion | Dec 2025 | €1,430,135 | 165 m |
| 17 Beaufield Manor, Woodlands Ave, Stillorgan | Mar 2026 | €605,000 | 166 m |
| 50 Thornhill Oaks, Cherry Garth, Mount Merrion | Sept 2025 | €1,500,000 | 166 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 November 2009
- Decision issued1 December 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
Permission for: A. Demolition of the existing (redundant) boiler flu/chimney on the east side of house. B.…
55 Cherry Garth, Mount Merrion, Co Dublin
D17A/0142Dún Laoghaire–RathdownLodged 20 Feb 2017Extension
- Granted30 m away
Alterations to existing planning permission ref D20B/0378 to include (a) Alterations to ground floor layout…
54, Cherrygarth, Mount Merrion, Blackrock, Dublin, A94R3H9
D23B/0325Dún Laoghaire–RathdownLodged 6 Jul 2023Alterations
- Granted30 m away
Permission sought for alteration and extension to existing house to include (a) demolition of existing side…
54, Cherrygarth, Mount Merrion, Co Dublin, A94R3H9
D20B/0378Dún Laoghaire–RathdownLodged 23 Nov 2020Extension
- Granted30 m away
Permission is sought for an extension at first floor level at the rear of the existing house
59 Cherry Garth, Mount Merrion, Blackrock, Co. Dublin, A94 R8X8
D22B/0214Dún Laoghaire–RathdownLodged 26 Apr 2022Extension
- Granted30 m away
First floor extension to front and side, garage use to be reinstated and enlarged, part single storey, part…
7, South Avenue, Mount Merrion, Co. Dublin
D05A/0047Dún Laoghaire–RathdownLodged 21 Jan 2005Extension
- Granted40 m away
Alterations to previously approved permission (Reg. Ref. D05A/0908) to include new porch, alterations to…
3, South Avenue, Stillorgan, Co. Dublin
D06A/0685Dún Laoghaire–RathdownLodged 25 Apr 2006Alterations
- Granted40 m away
Two storey extension to front, side and rear, a single storey extension to rear, an attic conversion, a…
3, South Avenue, Kilmacud, Stillorgan, Co. Dublin
D05A/0908Dún Laoghaire–RathdownLodged 15 Jul 2005Extension
- Granted40 m away
Permission for the widening of the existing vehicular front entrance gate, in similar materials and design to…
5, South Avenue, Mount Merrion, Co Dublin
D14A/0231Dún Laoghaire–RathdownLodged 23 Apr 2014Alterations
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
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Permission for the construction of first floor side extension over existing garage, single storey extension…
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D18A/1098Dún Laoghaire–RathdownLodged 23 Nov 2018
- GrantedExtension
Planning permission is sought for removal of single storey garage to side of house, permission sought for 2…
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2561190MeathLodged 4 Nov 2025
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Planning permission for — First floor extension to rear
3, Sybil Hill Avenue, Raheny, Dublin 5
2544/20Dublin CityLodged 20 Mar 2020
- GrantedExtension
Permission sought for conversion and ground floor extensions to side and rear of garage; ground floor…
67, Carysfort Downs, Blackrock, Co. Dublin.
D05A/0945Dún Laoghaire–RathdownLodged 22 Nov 2005
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