21 Redesdale Road, Mount Merrion, Blackrock, Co. Dublin, A94W0Y1
Alterations to a previously approved application, including a new rear extension and attic dormers.
D22A/0151 · Dun Laoghaire Rathdown County Council · Lodged 3 March 2022
- Reference
- D22A/0151
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 3 March 2022
Summary
AI-generatedThe changes involve demolishing the existing side garage, sheds, and chimneys. A new side garage, a 22.5 sq.m. rear extension, and north and south-facing attic dormers will be built.
- Floor area
- 23 m²
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
- Permission for development. The development will consist of alterations to previously granted planning application ref: d21a/0291 which includes
- Demolishing the existing side garage, garden sheds and chimneys
- The construction of a new side garage
- The construction of a new single storey extension to the rear of the house totalling 22.5sqm
- The construction of a new attic dormer extension facing north
- The construction of a new attic dormer extension facing south
- Replacemen
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 27 April 2022.
Notified floor area: 188 m²
2 commencement notices are linked to this development.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 27 Redesdale Rd, Mount Merrion, Dublin | May 2025 | €1,000,000 | 45 m |
| 13 Redesdale Rd, Mount Merrion, Dublin | Sept 2025 | €850,000 | 50 m |
| 10 Redesdale Rd, Mount Merrion, Co Dublin | Jun 2026 | €1,220,000 | 141 m |
| 7 Clonmore Rd, Mount Merrion, Dublin | Sept 2025 | €1,400,000 | 145 m |
| 2 Redesdale Court, Redesdale Rd, Mount Merrion | Nov 2025 | €650,000 | 233 m |
| 21 Cedarmount Rd, Mount Merrion, Dublin | Nov 2025 | €910,000 | 233 m |
| 71 Trees Road, Mount Merrion, Co Dublin | Aug 2025 | €1,480,000 | 235 m |
| 72 Mount Anville Wood, Goatstown, Dublin 14 | Jul 2025 | €1,002,000 | 262 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 received3 March 2022
- Decision issued27 April 2022
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
Permission for development. The development will consist of — demolishing the existing side garage, garden…
21, Redesdale Road, Mount Merrion, Blackrock, Co Dublin, A94W0Y1
D21A/0291Dún Laoghaire–RathdownLodged 8 Apr 2021Extension
- GrantedAt this site
Permission consisting of the proposed demolition of an existing single storey rear extension and a chimney…
19, Redesdale Road, Mount Merrion, Co. Dublin
D19B/0300Dún Laoghaire–RathdownLodged 14 Jun 2019Extension
- GrantedAt this site
Permission is sought for alterations and extensions to existing single storey three bedroom semi-detached…
23, Redesdale Road, Mount Merrion, Co. Dublin
D12A/0094Dún Laoghaire–RathdownLodged 15 Mar 2012Extension
- GrantedAt this site
Erect a single storey extension to the rear including minor internal alterations, associated site works and…
19 Redesdale Road, Mount Merrion, Blackrock, Dublin, A94C7W3
D23A/0449Dún Laoghaire–RathdownLodged 5 Jul 2023Retention
- GrantedAt this site
Planning permission for the partial demolition of existing semi-detached bungalow including garage and the…
23, Redesdale Road, Mount Merrion, Co. Dublin
D09A/0698Dún Laoghaire–RathdownLodged 18 Dec 2009Extension
- GrantedAt this site
Permission for alterations to previously approved permission (Reg. Ref. D12A/0094 — Final Grant Order No.…
23, Redesdale Road, Mount Merrion, Co. Dublin
D13A/0135Dún Laoghaire–RathdownLodged 21 Mar 2013Alterations
- Granted30 m away
Permission sought for attic conversion with dormer window and 2 rooflights to rear, together with attic…
25, Redesdale Road, Mount Merrion, Co. Dublin.
D17B/0276Dún Laoghaire–RathdownLodged 6 Jun 2017Extension
- Granted30 m away
Permission for the demolition of existing single storey out-buildings to the south and replacement with new…
Telesia, 17 Redesdale Road, Mount Merrion, C. Dublin A94 C6Y
D18B/0180Dún Laoghaire–RathdownLodged 19 Apr 2018Extension
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 for development. The development will consist of — demolishing the existing side garage, garden…
21, Redesdale Road, Mount Merrion, Blackrock, Co Dublin, A94W0Y1
D21A/0291Dún Laoghaire–RathdownLodged 8 Apr 2021
- GrantedExtension
Permission for development. The development will consist of: Demolition of existing garage and shed at the…
27, Riverside Drive, Dublin 14
D18B/0207Dún Laoghaire–RathdownLodged 10 May 2018
- WithdrawnExtension
Permission for development consisting of revised works to the previous approved planning permission Ref. No.…
128, Silchester Park, Glenageary, Co. Dublin
D13B/0306Dún Laoghaire–RathdownLodged 16 Sept 2013
- GrantedExtension
Permission is sought for development consisting of the demolition of existing single storey extension to rear…
1, Haddington Park, Glenageary, Co. Dublin
D16A/0202Dún Laoghaire–RathdownLodged 18 Jul 2016
- GrantedExtension
Permission for development at this site. The development will consist of: Demolition of existing adjoining…
102, Wyattville Park, Loughlinstown, Dublin 18
D16B/0174Dún Laoghaire–RathdownLodged 27 Apr 2016
- GrantedExtension
Permission is sought for works. The development will consist of: Demolition of existing detached garage and…
31 Callary Road, Mount Merrion, Co. Dublin, A94 K3H5
D22B/0054Dún Laoghaire–RathdownLodged 9 Feb 2022
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