50, Deerpark Road, Mount Merrion, Blackrock, Dublin, A94T9F7
Retention of a garage conversion and widened driveway, with permission for an attic conversion and rear dormer.
D23A/0135 · Dun Laoghaire Rathdown County Council · Lodged 28 February 2023
- Reference
- D23A/0135
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 28 February 2023
Summary
AI-generatedThis application seeks retention permission for a garage conversion, an extra-height roof on a side extension, and a widened driveway. It also requests permission for a new attic conversion for storage, featuring a raised side gable, a rear dormer, and new windows.
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 permission for garage conversion and extra height roof on side extension. Retention for the widening of vehicular access. Permission for attic conversion for storage. With raised gable to the side and dormer to the rear. New gable window. Velux window to the front.
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 |
|---|---|---|---|
| 44 Deerpark Rd, Mount Merrion, Dublin | Dec 2025 | €1,250,000 | 30 m |
| 47 Deerpark Rd, Mount Merrion, Blackrock | Mar 2025 | €800,000 | 51 m |
| 19 Wilson Rd, Mount Merrion, Dublin | Mar 2026 | €1,116,111 | 101 m |
| 24 Deerpark Road, Mount Merrion, Co Dublin | Jun 2025 | €1,270,000 | 137 m |
| 4 Wilson Crescent, Mount Merrion, Dublin | Nov 2025 | €1,210,000 | 162 m |
| 55 Wilson Road, Mount Merrion, Blackrockprice excludes VAT | Nov 2025 | €1,585,903 | 163 m |
| 6 Wilson Crescent, Mount Merrion, Dublin | Jul 2025 | €980,000 | 168 m |
| 56 Wilson Road, Mount Merrion, Blackrockprice excludes VAT | Apr 2026 | €1,475,771 | 169 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 February 2023
- Decision due24 April 2023
- Decision issued18 April 2023
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- InvalidAt this site
The development will consist of: front single storey extension with 2 roof windows, Garage conversion for…
50 Deerpark Road, Mount Merrion, Blackrock, Co Dublin, A94T9F7
D22A/0851Dún Laoghaire–RathdownLodged 7 Nov 2022Extension
- InvalidAt this site
The development will consist of a first floor extension to front, side & rear of dwelling (floor area…
48, Deerpark Road, Mount Merrion, Co Dublin, A94K3T7
D26B/0316/WEBDún Laoghaire–RathdownLodged 21 Apr 2026Extension
- Awaiting decisionAt this site
A first floor extension to front, side & rear of dwelling (floor area 31.30m.sq.), Conversion of attic space…
48, Deerpark Road, Mount Merrion, Co Dublin, A94K3T7
D26B/0323/WEBDún Laoghaire–RathdownLodged 31 May 2026Extension
- Granted40 m away
Pitched roofed two storey and single storey over basement residential extension with associated siteworks and…
40, Deerpark Road, Mount Merrion, Co. Dublin.
D09A/0444Dún Laoghaire–RathdownLodged 30 Sept 2009Extension
- Granted40 m away
Permission is sought for amendments to previously approved planning permission with ref. no. D09A/0444 for…
40 Deerpark Road, Mount Merrion, Co. Dublin
D11B/0026Dún Laoghaire–RathdownLodged 31 Jan 2011Alterations
- Granted50 m away
Demolition of the existing single storey side garage and the construction of a new single storey side and…
37, Wilson Road, Mount Merrion, Co. Dublin.
D06A/0149Dún Laoghaire–RathdownLodged 6 Feb 2006Extension
- Granted50 m away
Construction of a new extension to the side and the rear of an existing one and a half storey dormer bungalow…
35, Wilson Road, Mount Merrion, Co. Dublin
D05B/0494Dún Laoghaire–RathdownLodged 28 Jun 2005Extension
- Granted50 m away
For development consisting of rear extension (12.2 sq.m.) with replacement side garage of 16.5 sq.m.…
31, Wilson Road, Mount Merrion, Co. Dublin
D06A/0726Dún Laoghaire–RathdownLodged 4 May 2006Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedRetention
Retention permission & Planning Permission. Retention permission for new pitched roof to front and side…
43, South Park, Cornelscourt, Dublin 18, D18YN47
D23B/0106Dún Laoghaire–RathdownLodged 13 Mar 2023
- GrantedRetention
PERMISSION & RETENTION: Retention planning permission for garage to side, conversion of existing garage and…
10, Danieli Drive, Artane, Dublin 5, D05 DW90
3923/22Dublin CityLodged 9 May 2022
- InvalidRetention
Retention planning permission for garage to side, conversion of existing garage and first floor extension to…
10 Danieli Road, Dublin 5, D05 DW90
3695/22Dublin CityLodged 8 Apr 2022
- InvalidExtension
Permission & Retention: Attic conversion for storage dormer to the rear. Also raised roof area with tiled…
4, Harrison Row, Dublin 6
WEB1458/21Dublin CityLodged 27 Apr 2021
- GrantedRetention
Retention permission for the change of use from original attached garage to domestic use with bay window and…
23 Monacurragh , Blackbog Road , Carlow
18167CarlowLodged 3 May 2018
- GrantedRetention
PERMISSION/ RETENTION: Conversion of attic area with new revised roof profile (from hipped to gable end) to…
93 Glasnevin Avenue, Glasnevin, Dublin 11, D11 Y6V9
WEB5002/25Dublin CityLodged 31 Aug 2025
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