20, Clonmore Road, Mount Merrion, Blackrock, Dublin, A94W1X0
Retention of a rear shed and gazebo, demolition of a garage, and construction of a side extension for a granny flat.
D23A/0061 · Dun Laoghaire Rathdown County Council · Lodged 1 February 2023
- Reference
- D23A/0061
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 1 February 2023
Summary
AI-generatedThe application seeks retention permission for a rear shed used as an entertainment room, gym, playroom, and storeroom, alongside a gazebo. It also seeks permission to demolish an existing garage and shed to build a single-storey side extension for a granny flat and home office, and to widen the vehicular access.
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 & planning permission. I) retention to retain a shed comprising an entertainment room/gym/playroom and storeroom, and gazebo at the rear of the dwelling. Ii) planning permission for demolition of the existing garage and shed, construction of a single storey extension to the side for granny flat and home office/guest room and widening of the existing vehicular access onto clonmore road.
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 |
|---|---|---|---|
| 7 Clonmore Rd, Mount Merrion, Dublin | Sept 2025 | €1,400,000 | 59 m |
| 13 Redesdale Rd, Mount Merrion, Dublin | Sept 2025 | €850,000 | 114 m |
| 27 Redesdale Rd, Mount Merrion, Dublin | May 2025 | €1,000,000 | 123 m |
| 71 Trees Road, Mount Merrion, Co Dublin | Aug 2025 | €1,480,000 | 155 m |
| 21 Cedarmount Rd, Mount Merrion, Dublin | Nov 2025 | €910,000 | 179 m |
| 33 Clonmore Rd, Mount Merrion, Dublin | Apr 2026 | €1,425,000 | 192 m |
| 10 Redesdale Rd, Mount Merrion, Co Dublin | Jun 2026 | €1,220,000 | 193 m |
| 35 Cedarmount Rd, Mount Merrion, Blackrock | Mar 2026 | €880,000 | 212 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 received1 February 2023
- Decision due28 March 2023
- Decision issued28 March 2023
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
The development will consist of the demolition of the existing garage and shed, construction of a single…
20 Clonmore Road, Mount Merrion, Blackrock, A94 W1X0
D22A/0712Dún Laoghaire–RathdownLodged 2 Dec 2022Extension
- Granted30 m away
Planning permission is sought for the partial demolition and proposed extension
16, Clonmore Road, Mount Merrion, Co. Dublin
D10B/0329Dún Laoghaire–RathdownLodged 2 Mar 2011Extension
- Granted40 m away
Permission for development consisting of rear single storey extension 39.8 m2, and alterations comprising:…
1, Clonmore Road, Mount Merrion, Co Dublin.
D13B/0083Dún Laoghaire–RathdownLodged 13 Mar 2013Extension
- Granted50 m away
Permission for the Retention and completion of works to fire damaged house as follows: amended roof profile…
28 Clonmore Road, Mount Merrion, Co Dublin
D14B/0353Dún Laoghaire–RathdownLodged 21 Oct 2014Retention
- Granted50 m away
Permission is sought for; (A) the demolition of existing garage/single storey extension to the side. (B) The…
120, Trees Road Upper, Mount Merrion, Co. Dublin
D12B/0043Dún Laoghaire–RathdownLodged 10 Feb 2012Extension
- Granted50 m away
Retention and completion of vehicular and pedestrian access
114, TREES ROAD, MOUNT MERRION, CO. DUBLIN.
D04A/0990Dún Laoghaire–RathdownLodged 30 Aug 2004Retention
- Granted50 m away
Permission for the following: a) demolition of the existing garage/single-storey extension to the rear & side…
118 Tree's Road Upper, Mount Merrion, Co. Dublin, A94 PR80
D23A/0524Dún Laoghaire–RathdownLodged 8 Aug 2023Extension
- Granted60 m away
Retention of single storey pitched roof, domestic related shed in the rear garden, enlarging vehicular…
122, Trees Road Upper, Mount Merrion, Co. Dublin
D05A/0231Dún Laoghaire–RathdownLodged 25 Feb 2005Retention
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- RefusedExtension
The development will consist of the demolition of the existing garage and shed, construction of a single…
20 Clonmore Road, Mount Merrion, Blackrock, A94 W1X0
D22A/0712Dún Laoghaire–RathdownLodged 2 Dec 2022
- GrantedRetention
Retention Planning Permission which consists of the following, a). Retention permission for existing as built…
Cunaberry , Ballon , Co. Carlow
1894CarlowLodged 21 Mar 2018
- Part granted, part refusedRetention
Retention of (a) sun room and entrance porch extension to front of dwellinghouse (b) utility room extension…
Cúlán, Buncoille, Monkstown (Castle Farm), Monkstown, Co. Cork
224747corkLodged 5 Apr 2022
- GrantedExtension
For Retention Permission and Planning Permission for development. Retention Permission for the existing,…
Clinstown Road , Freshford , Co. Kilkenny
17181KilkennyLodged 23 Mar 2017
- GrantedRetention
Retention Permission to retain an existing garden shed/ car gar-age and Permission to construct a new single…
Ballymakegoge , Tralee , Co. Kerry
2360335KerryLodged 16 Nov 2023
- InvalidExtension
Construction of side extension at first floor level comprising of bedroom & en-suite, conversion of garage to…
116, Whitebarn Road, Rathfarnham, Dublin 14, D14HE92
D23A/0766Dún Laoghaire–RathdownLodged 5 Dec 2023
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