14, Sycamore Crescent, Mount Merrion, Blackrock, Co. Dublin
Demolition of a rear extension and construction of a two-storey side extension with a basement and roof terrace.
D05B/0077 · Dun Laoghaire Rathdown County Council · Lodged 10 February 2005
- Reference
- D05B/0077
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 10 February 2005
Summary
AI-generatedThe project involves the demolition of an existing rear extension. In its place, a two-storey extension with a basement and roof terrace will be built on the south gable, alongside a new conservatory and family room.
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
For the erection of a two-storey extension, with basement and roof-terrace to the south gable of their property incorporating kitchen and living room on the ground floor two additional bedrooms and bathrooms on the first floor, storage and utility in the basement and roof-terrace incorporating planting at roof level. The demolition of the existing extension to the rear, and the erection of a new conservatory and family-room is sought in its stead.
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 |
|---|---|---|---|
| Seven Churches, Glendalough, Co Wicklow | Sept 2025 | €351,000 | 119 m |
| 18 Greenfield Road, Mount Merrion, Blackrock | Oct 2025 | €1,350,000 | 150 m |
| 29 Sycamore Road, Mount Merrion, Co Dublin | Sept 2025 | €1,785,000 | 175 m |
| 49 The Rise, Mount Merrion, Blackrock | Sept 2025 | €1,305,000 | 194 m |
| 28 Merrion Hall, Mount Merrion Ave, Blackrock | Feb 2025 | €600,000 | 249 m |
| 4 Dualla Court, Stillorgan Rd, Stillorgan | Jan 2025 | €485,000 | 261 m |
| Apt 6, Fortwilliam, Mount Merrion Ave | Jun 2025 | €460,000 | 264 m |
| 57 Wilson Road, Mount Merrion, Blackrockprice excludes VAT | Nov 2025 | €1,563,880 | 274 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 received10 February 2005
- Decision issued4 April 2005
- Appeal submitted3 May 2005
- Appeal decided5 September 2005
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 development consisting of demolition of existing single storey garage to side of existing…
14, Sycamore Crescent, Mount Merrion, Blackrock, Co. Dublin
D10B/0202Dún Laoghaire–RathdownLodged 30 Apr 2010Extension
- GrantedAt this site
Permission is sought for development consisting of single storey pitched-roof extension to front of existing…
16, Sycamore Crescent, Mount Merrion, Co. Dublin
D10B/0182Dún Laoghaire–RathdownLodged 21 Apr 2010Extension
- Invalid30 m away
Permission for development which will consist of the construction of a two storey family dwelling house,…
Sycamore Avenue, Mount Merrion, Co. Dublin
D09A/0876Dún Laoghaire–RathdownLodged 10 Dec 2009New dwelling
- Granted40 m away
Permission for development. The development consists of the relocation of existing entrance pier and…
18 Sycamore Crescent, Mount Merrion, Co. Dublin
D20A/0041Dún Laoghaire–RathdownLodged 20 Jan 2020Retention
- Compliance submission60 m away
Compliance with Condition No.2 of Reg Ref No. D25B/0292
66, The Rise, Mount Merrion, Blackrock, Dublin, A94X9F6
D25B/0292/C1Dún Laoghaire–RathdownLodged 12 Sept 2025Other
- Granted70 m away
The development will consist of the construction of a 2 storey side extension comprising games room and…
12, Sycamore Crescent, Mount Merrion,Blackrock, Co. Dublin
D07B/0796Dún Laoghaire–RathdownLodged 6 Sept 2007Extension
- Granted70 m away
The development will consist of the construction of a part-one, part-two rear and side extension with…
66, The Rise, Mount Merrion, Blackrock, Dublin, A94X9F6
D25B/0292Dún Laoghaire–RathdownLodged 26 May 2025Extension
- Granted90 m away
Planning permission for the demolition of existing rear extension & construction of new rear extension…
58, The Rise, Mount Merrion, Co. Dublin
D10B/0045Dún Laoghaire–RathdownLodged 5 Feb 2010Extension
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
To (1) demolish the existing two-storey front extension and the single storey rear conservatory and to…
'Ruwensori' , Drummin West , Willow Grove
16948WicklowLodged 26 Aug 2016
- GrantedExtension
Permission to demolish the existing conservatory to the rear (west) and part of our first floor to the…
20 The Heights , Broadale , Maryborough Hill
2039600Cork CityLodged 15 Oct 2020
- GrantedExtension
Permission is sought to (a) Demolish the existing south bedroom extension and replace with a two storey…
Iona, Dalkey Avenue, Dalkey, Dublin, A96V673
D25A/0145/WEBDún Laoghaire–RathdownLodged 24 Feb 2025
- GrantedExtension
Demolition of existing conservatory to rear; construction of single storey extension to rear with flat roof…
34, Marian Crescent, Dublin 14
SD20B/0529South DublinLodged 22 Dec 2020
- GrantedExtension
Construction of a two storey extension to the side and rear to match the eaves and ridge of the existing…
9, Avalon, Brighton Road, Foxrock, Dublin 18
D06B/0767Dún Laoghaire–RathdownLodged 23 Aug 2006
- GrantedExtension
Demolition of the existing conservatory to the rear (12sqm) and the construction of (1) a rear ground floor…
54, Saint Gabriels, Cabinteely, Dublin 18.
D07B/0812Dún Laoghaire–RathdownLodged 14 Sept 2007
Community
Discussion
What local people think about this application.
Community sentiment
No votes yetNobody has voted on this application yet.
Community sentiment — a straw poll of people who visited this page, not a statutory submission. To make a valid observation you must submit it to the planning authority.
Sign in to have your say on this application.
No comments yet. Be the first to say what you think about this application.
Sign in to join the discussion on this application.
Comments are moderated and are the opinions of the people who wrote them. They form no part of the statutory planning process — to make a valid observation you must submit it to the planning authority.