No. 7 Deerpark Road, Mount Merrion, Co. Dublin, A94A4P0
Demolition of side and rear extensions to build a two-storey rear extension and attic conversion in Mount Merrion.
D25A/0666/WEB · Dun Laoghaire Rathdown County Council · Lodged 28 August 2025
- Reference
- D25A/0666/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 28 August 2025
Summary
AI-generatedThe project involves demolishing an existing kitchen and conservatory to build a new two-storey dormer extension to the rear and a single-storey utility room to the side. It also includes converting the attic with new dormer windows and widening the front vehicular entrance.
- Storeys
- 2
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
Proposed alterations and additions to an existing single storey detached dwelling. The development will comprise the demolition of an existing single-storey kitchen extension to the side and rear together with the demolition of an existing conservatory extension to the rear. The proposed new works will comprise the construction of a new 2-storey dormer extension to the rear elevation (south), and construction of a new single storey utility room extension to side elevation (west) including new side entrance door, together with the construction of a new dormer window to the side elevation (east), and the conversion of the existing attic space with a new dormer window to the front elevation (north) including new velux rooflights to the side elevations. The proposed works will also comprise the widening of the existing vehicular entrance to the front boundary of the property, and all associated ancillary site works including connections to existing services.
Built & 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 |
|---|---|---|---|
| 4 Deerpark Road, Mount Merrion, Co Dublin | Nov 2025 | €1,590,000 | 59 m |
| Innisfallen, 26 Mather Rd South, Mount Merrion | Sept 2025 | €1,325,000 | 119 m |
| 24 Deerpark Road, Mount Merrion, Co Dublin | Jun 2025 | €1,270,000 | 151 m |
| 4 Wilson Crescent, Mount Merrion, Dublin | Nov 2025 | €1,210,000 | 167 m |
| Althafoyle, 2 Ardilea Downs, Mount Anville Road | Apr 2026 | €1,850,000 | 175 m |
| 6 Wilson Crescent, Mount Merrion, Dublin | Jul 2025 | €980,000 | 204 m |
| 26 Ardilea Downs, Dublin 14, Dublin | Dec 2025 | €1,100,000 | 224 m |
| 8 Wilson Road, Mount Merrion, Co Dublin | Nov 2025 | €900,000 | 241 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 received28 August 2025
- Decision due22 October 2025
- Decision issued17 October 2025
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- Awaiting decisionExtension
Alterations and additions to an existing 2-storey detached dwelling comprising of the demolition of an…
Ferndale, 14 Seafield Road, Booterstown, Co. Dublin, A94RY73
D26A/0254/WEBDún Laoghaire–RathdownLodged 1 Apr 2026
- GrantedExtension
The proposed alterations and dormer roof extensions to an existing detached single storey dwelling house. The…
Avondale , Frenchfurze Road , Kildare
19260KildareLodged 14 Mar 2019
- GrantedExtension
The development will consist of: Removal of side flat-roofed utility area & original block sheds to rear…
17, Nutley Road, Donnybrook, Dublin 4
3530/23Dublin CityLodged 6 Apr 2023
- InvalidExtension
The proposed development shall consist of: Demolition of existing single storey extension to rear;…
57, South Hill, Dublin 6, D06 TX64
3797/22Dublin CityLodged 22 Apr 2022
- GrantedExtension
The proposed development shall consist of — Demolition of existing single storey extension to rear
57, South Hill, Dublin 6, D06 TX64
3876/22Dublin CityLodged 3 May 2022
- GrantedExtension
Demolition of existing garage, chimney and existing single storey extension to rear of existing detached…
39, Lower Dodder Road, Rathfarnham, Dublin 14.
SD15B/0301South DublinLodged 14 Jan 2016
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.