50, Cherrygarth, Mount Merrion, Blackrock, Dublin, A94H3A8
Demolition of a shed to build a single-storey family flat extension in Blackrock.
D23A/0665 · Dun Laoghaire Rathdown County Council · Lodged 20 October 2023
- Reference
- D23A/0665
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 20 October 2023
Summary
AI-generatedThe project involves the demolition of an existing single-storey detached shed. In its place, a single-storey extension will be built to serve as an independent family unit ancillary to the main semi-detached house.
- Storey
- 1
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 detached shed to accomodate the construction of a single storey extension to existing two storey semi detached house for use as an independent family unit ancillary to the main residence for a family member. Permission for new ground floor side window to replace existing door and all 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 |
|---|---|---|---|
| 50 Cherry Garth, Mount Merrion, Blackrock | May 2025 | €1,275,000 | 2 m |
| 49 Thornhill Oaks, Cherry Garth, Mount Merrionprice excludes VAT | Jan 2025 | €1,145,374 | 91 m |
| 49 Thornhill Oaks, Cherry Garth, Mount Merrion | Dec 2025 | €1,430,135 | 94 m |
| 50 Thornhill Oaks, Cherry Garth, Mount Merrion | Sept 2025 | €1,500,000 | 96 m |
| 14 South Avenue, Mount Merrion, Co Dublin | Sept 2025 | €920,000 | 96 m |
| 15 Cherry Garth, Mount Merrion, Blackrock | Apr 2025 | €1,110,000 | 108 m |
| 61 The Stables, Thornhill Oaks, Mount Merrionprice excludes VAT | Aug 2025 | €889,868 | 132 m |
| 24 South Ave, Mount Merrion, Dublin | Dec 2025 | €1,580,000 | 135 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 October 2023
- Decision due14 December 2023
- Decision issued14 December 2023
- Permission expiry24 January 2027
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
Permission for the demolition of existing single storey detached shed to accommodate the construction of a…
50, Cherrygarth, Mount Merrion, Blackrock, Co. Dublin, A94H3A8
D23A/0402Dún Laoghaire–RathdownLodged 23 Aug 2023Extension
- GrantedAt this site
Alterations and extension to existing house to include (a) demolition of existing rear extension and rear…
50, Cherrygarth, Mount Merrion, Co. Dublin, A94H3A8
D25B/0332/WEBDún Laoghaire–RathdownLodged 11 Jun 2025Extension
- WithdrawnAt this site
Alterations and extension to existing house to include; (a) demolition of existing rear extension and rear…
50, Cherrygarth, Mount Merrion, Dublin, A94H3A8
D25B/0316/WEBDún Laoghaire–RathdownLodged 4 Jun 2025Extension
- GrantedAt this site
The development will consist of the construction of lean-to single storey extensions to the front and rear of…
49, Cherry Garth, Mount Merrion, Co. Dublin
D05B/0387Dún Laoghaire–RathdownLodged 29 Jul 2005Extension
- Granted40 m away
Permission is sought for a development consisting of a two storey extension to front, side and rear and…
21, South Avenue, Mount Merrion, Co.Dublin
D06B/1125Dún Laoghaire–RathdownLodged 21 Dec 2006Extension
- Refused40 m away
Partial demolition of existing two storey semi-detached dwelling and to reinstate a new two storey…
21, South Avenue, Mount Merrion, Co. Dublin.
D07A/1569Dún Laoghaire–RathdownLodged 13 Nov 2007Extension
- Invalid40 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
- Granted40 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
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
Permission for the demolition of existing single storey detached shed to accommodate the construction of a…
50, Cherrygarth, Mount Merrion, Blackrock, Co. Dublin, A94H3A8
D23A/0402Dún Laoghaire–RathdownLodged 23 Aug 2023
- GrantedExtension
Permission to demolish an existing domestic shed and construct a single storey attached extension, both to…
25 Doylesfort Grove , Dowdallshill , Dundalk Co Louth
22103LouthLodged 10 Feb 2022
- GrantedExtension
Permission for the demolition of existing single-storey attached shed to the side of existing dwelling and…
35 Monacnappa Estate , Blarney , Cork
2443153Cork CityLodged 2 Aug 2024
- InvalidExtension
Demolishing existing shed to the side of the existing house and replacing with a new ground floor only…
9, Laragh, Killiney, Co. Dublin, A96TF60
D26B/0133Dún Laoghaire–RathdownLodged 11 Mar 2026
- GrantedExtension
Demolition of a single storey shed and replace with the construction of a single storey extension to the side…
Cornadrung , Aughnacliffe , Co. Longford.
1751LongfordLodged 22 Feb 2017
- GrantedExtension
Permission for demolition of existing domestic shed for the construction of new part single storey part two…
317 Connolly Road , Ballyphehane , Cork
2443474Cork CityLodged 9 Dec 2024
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