47, Cedarmount Road, Mount Merrion, Dublin, A94H5P8
Refurbishment of an existing house, including a new single-storey rear extension and garage conversion.
D25B/0440/WEB · Dun Laoghaire Rathdown County Council · Lodged 5 August 2025
- Reference
- D25B/0440/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 5 August 2025
Summary
AI-generatedThe project involves the demolition of an existing rear extension and the construction of a new single-storey rear extension for living space. It also includes converting the garage into a utility room and playroom, replacing the garage door with a window, and thermal upgrades.
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
Planning permission is sought for: refurbishment of the existing house, with a new single-storey extension to the rear to accommodate a living, kitchen and dining area. Renovation works are to the ground floor and include; conversion of the garage into a utility space and playroom, a home office, and visitor wc. To the front elevation, the garage door is to be replaced by a new window. Works to include the demolition of the existing single-storey rear extension, selected windows and internal walls. Proposed works to also include thermal upgrades to the floor and walls, 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 |
|---|---|---|---|
| 49 Cedarmount Rd, Mount Merrion, Blackrock | Aug 2025 | €830,000 | 12 m |
| 35 Cedarmount Rd, Mount Merrion, Blackrock | Mar 2026 | €880,000 | 57 m |
| 64 South Ave, Mount Merrion, Dublin | Mar 2026 | €1,390,000 | 68 m |
| 66 South Ave, Mount Merrion, Dublin | Feb 2025 | €1,255,000 | 72 m |
| 52 Cedarmount Road, Mount Merrion, Co Dublin | Nov 2025 | €1,000,000 | 83 m |
| 56 Glenabbey Rd, Mount Merrion, Dublin | Jan 2025 | €1,315,000 | 98 m |
| 21 Cedarmount Rd, Mount Merrion, Dublin | Nov 2025 | €910,000 | 109 m |
| 71 Trees Road, Mount Merrion, Co Dublin | Aug 2025 | €1,480,000 | 117 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 received5 August 2025
- Decision due29 September 2025
- Decision issued12 September 2025
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
Demolition of existing garage to the side and the existing single storey extensions to rear, the construction…
43, Cedarmount Road, Mount Merrion, Co. Dublin
D07B/0997Dún Laoghaire–RathdownLodged 12 Dec 2007Extension
- Granted40 m away
Alterations, single storey front and rear extension and demolition of first floor rear extension
41, Cedarmount Road, Mount Merrion, Co Dublin
D02B/0885Dún Laoghaire–RathdownLodged 29 Nov 2002Extension
- Granted50 m away
Permission is sought for the (1) demolition of existing single storey extensions and porch, (2) construction…
58, Cedarmount Road, Mount Merrion, Co. Dublin
D11A/0325Dún Laoghaire–RathdownLodged 13 Jul 2011Extension
- Granted50 m away
Construction of 2 new bay windows with lean- to roof over to the front of the existing semi-detached…
37 Cedarmount Road, Mount Merrion, Co. Dublin
D08B/0514Dún Laoghaire–RathdownLodged 7 Jul 2008Alterations
- Granted50 m away
Permission for an extension and refurbishment. The development will consist of the demolition of the existing…
57, Cedarmount Road, Mount Merrion, Co. Dublin, A94 X2F9
D19A/0753Dún Laoghaire–RathdownLodged 6 Dec 2019Extension
- Granted50 m away
Permission for works. The development will consist of amendments to previously permitted planning application…
57 Cedarmount Road, Mount Merrion, County Dublin A94 X2F9
D20A/0445Dún Laoghaire–RathdownLodged 7 Sept 2020Alterations
- Granted60 m away
Demolition of existing garage and construction of 2 storey extension and detached garage at side, single…
56 Ceadermount Road, Mount Merrion, Co. Dublin.
D02A/0441Dún Laoghaire–RathdownLodged 21 May 2002Extension
- Granted60 m away
Permission for an extension and refurbishment. The development will consist of the demolition of the existing…
60, Cedarmount Road, Mount Merrion, Co Dublin
D20A/0974Dún Laoghaire–RathdownLodged 21 Dec 2020Extension
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 is sought for the demolition of the garage to the side and the extension to the rear of the…
Le Nid, Dundrum Road, Dundrum, Dublin 14
D20B/0245Dún Laoghaire–RathdownLodged 28 Jan 2021
- GrantedExtension
Planning permission sought for the development which will consist of renovations to & extension (additional…
75, Beechpark Road, Foxrock, Dublin 18
D09B/0173Dún Laoghaire–RathdownLodged 23 Jun 2009
- GrantedExtension
The development will consist of renovations and a one storey extension to the side elevation of the existing…
56, Orwell Park, Rathgar, Dublin 6
4097/18Dublin CityLodged 5 Oct 2018
- GrantedExtension
Planning permission is sought for the demolition of existing garage and stores to the side (West) and removal…
4, Knocksinna Court, Blackrock, Co. Dublin
D11A/0354Dún Laoghaire–RathdownLodged 28 Jul 2011
- InvalidExtension
Permission on this site, the proposed works will include a single storey extension to the rear of the…
No. 55 Clontarf Park, Clontarf, D03XC93
3050/25Dublin CityLodged 11 Feb 2025
- GrantedExtension
Planning Permission is sought for a development that consists of a renovation to the existing property…
54 St. Margaret's Road, Malahide, Co. Dublin, K36R761
F25A/0090EFingalLodged 5 Feb 2025
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.