50, North Avenue, Mount Merrion, Blackrock, Dublin, A94D9K3
Demolition of side garage and rear extension to build new front, side, and rear extensions with an attic conversion.
D23B/0496 · Dun Laoghaire Rathdown County Council · Lodged 27 October 2023
- Reference
- D23B/0496
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 27 October 2023
Summary
AI-generatedThe project involves demolishing an existing garage, porch, rear extension, and dormer roof. A new single-storey front extension, a two-storey side extension, a single-storey rear extension, and an attic conversion with a rear dormer will be constructed.
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
- The demolition of
- Existing garage to side
- Single storey porch to front
- Single storey extension to rear
- Dormer roof to side and rear of existing attic and
- Chimney. The construction of
- A new single storey extension to the front extending across existing porch
- A 2-storey extension to the side with hipped roof and full height window to new stairwell to rear, to accomodate a playroom, utility and wc on the ground floor and study and reading area on the first floor
- A single storey pitched roof extension with rooflights to the rear to accomodate a kitchen/living/dining room
- The conversion of the attic with new flat roof dormer to the rear, extension of the existing roof to the side with changed pitch hipped roof, for a bedroom ensuite 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.
Built — construction complete
A commencement notice records works starting on 4 June 2024.
Notified floor area: 102.8 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 57 Wilson Road, Mount Merrion, Blackrockprice excludes VAT | Nov 2025 | €1,563,880 | 84 m |
| 49 The Rise, Mount Merrion, Blackrock | Sept 2025 | €1,305,000 | 89 m |
| Seven Churches, Glendalough, Co Wicklow | Sept 2025 | €351,000 | 125 m |
| 45 Greenfield Rd, Mount Merrion, Dublin | Nov 2025 | €1,390,000 | 130 m |
| 58 Wilson Road, Mount Merrion, Blackrockprice excludes VAT | Mar 2026 | €1,550,660 | 139 m |
| 56 Wilson Road, Mount Merrion, Blackrockprice excludes VAT | Apr 2026 | €1,475,771 | 151 m |
| 55 Wilson Road, Mount Merrion, Blackrockprice excludes VAT | Nov 2025 | €1,585,903 | 157 m |
| 18 Greenfield Road, Mount Merrion, Blackrock | Oct 2025 | €1,350,000 | 179 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 received27 October 2023
- Decision due21 December 2023
- Decision issued18 December 2023
- Permission expiry31 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
The demolition of — existing garage to side
50, North Avenue, Mount Merrion, Blackrock, Dublin, A94D9K3
D23B/0240Dún Laoghaire–RathdownLodged 19 May 2023Extension
- GrantedAt this site
Single storey extension at rear and loft conversion. The conversion will consist of two number dormer…
50, North Avenue, Mount Merrion, Co. Dublin
D05B/0289Dún Laoghaire–RathdownLodged 21 Apr 2005Extension
- GrantedAt this site
Planning permission for — Construction of single storey front porch
50, North Avenue, Mount Merrion, Co. Dublin
D12A/0331Dún Laoghaire–RathdownLodged 29 Aug 2012Extension
- GrantedAt this site
Permission for development . The development will consist of: (a) Conversion of attic space to form habitable…
54, North Avenue, Mount Merrion, Co. Dublin
D22A/0650Dún Laoghaire–RathdownLodged 31 Aug 2022Extension
- Granted30 m away
Permission for a single storey extension with raised patio and associated site works
44 North Avenue, Mount Merrion, Co Dublin
D19B/0105Dún Laoghaire–RathdownLodged 28 Feb 2019Extension
- Granted40 m away
Permission for development consisting of new ground floor level single storey extension to rear west…
57, The Rise, Mount Merrion, Blackrock, Co. Dublin, A94 Y0X3
D20A/0336Dún Laoghaire–RathdownLodged 9 Oct 2020Extension
- Granted40 m away
Permission for development consisting of new ground floor level single storey side passage extension to south…
57, The Rise, Mount Merrion, Blackrock, Co Dublin, A94Y0X3
D20B/0385Dún Laoghaire–RathdownLodged 30 Nov 2020Extension
- Granted40 m away
To build a new front porch, and to extend the building to one side and to the rear at ground and first floor…
61, The Rise, Mount Merrion, Co. Dublin
D04B/0452Dún Laoghaire–RathdownLodged 9 Jun 2004Extension
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 demolition of — existing garage to side
50, North Avenue, Mount Merrion, Blackrock, Dublin, A94D9K3
D23B/0240Dún Laoghaire–RathdownLodged 19 May 2023
- GrantedExtension
Demolition of the existing front porch, side extension & garage; the removal of the existing hip roof at the…
62, Roebuck Road, Dublin 14, D14WN26
D25A/0133/WEBDún Laoghaire–RathdownLodged 19 Feb 2025
- GrantedExtension
Part demolition of the garage and demolition of the kitchen extension and shed to rear and existing chimney.…
32, Butterfield Drive, Rathfarnham, Dublin 14
SD04B/0290South DublinLodged 3 Jun 2004
- GrantedExtension
Part demolition of the single storey garage extension to the side and rear respectively of house including…
4, Nutgrove Park, Clonskeagh, Dublin 14
D07A/1755Dún Laoghaire–RathdownLodged 20 Dec 2007
- GrantedExtension
Demolition of existing garage, storage and shed abutting boundary wall, existing chimney, single storey…
5, Shelton Grove, Dublin 12
SD22B/0394South DublinLodged 22 Dec 2022
- GrantedExtension
Demolition of existing chimney and single storey conservatory and kitchen extensions to the rear;…
29, Springfield Road, Dublin 6w
SD21B/0639South DublinLodged 13 Jul 2022
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