51, Trees Road Lower, Mount Merrion, Co. Dublin
Single-storey front and side extension to a semi-detached house, demolition of a garage, and boundary wall alterations.
D10A/0473 · Dun Laoghaire Rathdown County Council · Lodged 20 August 2010
- Reference
- D10A/0473
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 20 August 2010
Summary
AI-generatedThe project includes a single-storey flat-roof extension to the front and side of an existing two-storey semi-detached house. It also involves relocating the main entrance, demolishing a garage, shed, and chimney stack, and widening the entrance gate.
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 single storey extension with a flat roof to the front and side of an existing two storey semi-detached dwelling, relocation of main entrance door to the side, demolition of a single storey garage and shed to the rear & side, demolition of a single chimney stack, alterations to existing elevations, widened entrance gate, new timber fence on top of existing front and side boundary wall to give overall height of 1.8m and associated site works.
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 |
|---|---|---|---|
| 43 Trees Road, Mount Merrion, Co Dublin | Nov 2025 | €1,300,000 | 56 m |
| 64 South Ave, Mount Merrion, Dublin | Mar 2026 | €1,390,000 | 95 m |
| 62 Thornhill Oaks, Blackrock, Co. Dublinprice excludes VAT | Mar 2026 | €859,031 | 102 m |
| 66 South Ave, Mount Merrion, Dublin | Feb 2025 | €1,255,000 | 105 m |
| 63 Thornhill Oaks, Blackrock, Co. Dublin | May 2026 | €870,000 | 107 m |
| Thornhill, Cherry Garth, Mount Merrion | Aug 2025 | €1,750,000 | 129 m |
| 49 Cedarmount Rd, Mount Merrion, Blackrock | Aug 2025 | €830,000 | 147 m |
| 35 Cedarmount Rd, Mount Merrion, Blackrock | Mar 2026 | €880,000 | 152 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 received20 August 2010
- Decision issued11 October 2010
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 2 no. existing dwellings and construction of new part 2-storey, part 3 - storey apartment…
51, Trees Road Lower, and 65, South Avenue, Mount Merrion, Co. Dublin
D06A/0237Dún Laoghaire–RathdownLodged 22 Feb 2006Apartments
- GrantedAt this site
Permission for the demolition of the single storey extension and garden wall to the side of the existing two…
65 South Avenue, Mount Merrion, Co Dublin
D18A/0006Dún Laoghaire–RathdownLodged 13 Mar 2018Extension
- GrantedAt this site
New 3m wide vehicular entrance from South Avenue with 1.8m high timber gates to new gravel driveway to front…
65, South Avenue, Mount Merrion, Co. Dublin
D08A/1390Dún Laoghaire–RathdownLodged 19 Dec 2008Extension
- Granted30 m away
Permission for development consisting of a two-storey extension (108.8 m2) to the side of the existing house,…
49 Trees Road, Mount Merrion, Co Dublin
D13A/0612Dún Laoghaire–RathdownLodged 26 Feb 2014Extension
- Granted30 m away
Permission sought for demolition of existing garden screen wall, side wall of utility/storeroom structure,…
67, South Avenue, Mount Merrion, Dublin, A94 E2Y9
D22A/0956Dún Laoghaire–RathdownLodged 2 Dec 2022Extension
- Granted30 m away
Permission for the installation of a 3m high 'lamp post' style relief vent stack servicing the existing below…
Trees Road DRI, junction of Trees Road Lower and South Avenue, Mount Merrion, Co Dublin
D18A/0964Dún Laoghaire–RathdownLodged 1 Apr 2019Infrastructure
- Granted40 m away
Demolition of garage to side. Construction of a two storey extension to the front and side, single storey…
47, Trees Road, Mount Merrion, Co. Dublin
D08A/1239Dún Laoghaire–RathdownLodged 21 Jan 2009Extension
- Granted50 m away
Two storey with attic dormer, 4 bedroom detached dwelling incorporating alteration to existing driveway…
86, Trees Road Lower, Mount Merrion, Blackrock, Dublin, A94V2A0
D24A/0234Dún Laoghaire–RathdownLodged 10 Apr 2024New dwelling
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
Permission sought to — demolish existing single storey garage extension to side of the existing two storey…
31, CastleCourt, Booterstown Avenue, Co Dublin
D07B/0135Dún Laoghaire–RathdownLodged 24 May 2007
- GrantedExtension
Permission is sought for the partial demolition of the existing single storey extension to the rear and…
20, Arkendale Road, Glenageary, Co. Dublin, A96R2D9
D18A/0770Dún Laoghaire–RathdownLodged 12 Mar 2019
- GrantedExtension
Permission for part demolition of the single storey extension to the side and shed to the rear of the…
115 Tudor Lawns, Foxrock, Dublin 18
D16A/0262Dún Laoghaire–RathdownLodged 15 Apr 2016
- GrantedExtension
Planning permission is sought for demolition of existing garage, boiler chimney and shed to side of existing…
4 Sycamore Drive, The Park, Cabinteely, Dublin D18 W2H3
D16B/0506Dún Laoghaire–RathdownLodged 13 Dec 2016
- GrantedExtension
Permission is sought for the extension and alteration of an existing 2 storey semi-detached single family…
Ingleside, Knapton Road, Dun Laoghaire, Co. Dublin
D11A/0408Dún Laoghaire–RathdownLodged 20 Jan 2012
- GrantedExtension
Planning permission is sought for alterations to existing semi-detached two storey dwelling involving the…
25 Kincora Drive, Clontarf, Dublin 3, D03 CT96
2794/21Dublin CityLodged 19 May 2021
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