20, Saint Helens Road, Booterstown, Blackrock, Dublin, A94CP38
Demolition of existing extensions and garage to build a new two-story side extension and single-story rear extension.
D25A/0075/WEB · Dun Laoghaire Rathdown County Council · Lodged 31 January 2025
- Reference
- D25A/0075/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 31 January 2025
Summary
AI-generatedThe project involves the demolition of existing single-story side and rear extensions, part of the first floor, and a garage. It will construct a new two-story side extension, a single-story rear extension, and make internal alterations. Works also include a new rear rooflight and widening the 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
The works will include demolition of existing single storey side and rear extensions, part of first floor and existing garage, removal of existing chimney and construction of a new two storey side extension and single storey rear extension, alterations to fenestration, alterations to internal layout, new rear rooflight to attic storage area, widening of vehicular entrance 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 22 May 2025.
Notified floor area: 169.15 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 43 St Helens Rd, Booterstown, Dublin | Aug 2025 | €2,060,000 | 159 m |
| 3 Trimleston Ave, Booterstown, Dublinnot full market price | Jun 2026 | €370,000 | 182 m |
| 6 Grotto Place, Booterstown, Dublin | Nov 2025 | €950,000 | 192 m |
| 35 Castlecourt, Booterstown, Blackrock | Nov 2025 | €875,000 | 196 m |
| 49 Castlecourt, Booterstown, Dublin | Dec 2025 | €1,360,000 | 197 m |
| 11 Grotto Place, Booterstown, Dublin | Apr 2026 | €500,000 | 210 m |
| 2 Grotto Place, Booterstown, Dublin | Aug 2025 | €1,100,000 | 212 m |
| 4 Booterstown Court 126, Booterstown, Rock Rd | Jan 2026 | €500,000 | 214 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 received31 January 2025
- Decision due27 March 2025
- Decision issued25 March 2025
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 works will include demolition of existing single storey side and rear extensions, part of first floor and…
20, Saint Helens Road, Booterstown, Blackrock, Dublin, A94CP38
D25A/0031/WEBDún Laoghaire–RathdownLodged 15 Jan 2025Extension
- InvalidAt this site
The works will include demolition of existing single storey side and rear extensions, part of first floor and…
20 Saint Helens Road, Booterstown, Blackrock, Co. Dublin, A94CP38
D25A/0054/WEBDún Laoghaire–RathdownLodged 20 Jan 2025Extension
- GrantedAt this site
Two storey extension to side & single storey extension to rear of existing dwelling. New velux rooflights to…
18, Saint Helen's Road, Booterstown, Co. Dublin
D05B/0185Dún Laoghaire–RathdownLodged 15 Mar 2005Extension
- GrantedAt this site
Single storey extension to rear and conversion of existing garage to living room with alteration to front…
16, St. Helens Road, Booterstown, Co Dublin
D03B/0250Dún Laoghaire–RathdownLodged 4 Apr 2003Extension
- Granted30 m away
Enlarged ground floor extension to rear of existing kitchen and existing family area with ancillary…
14, Saint Helens Road, Booterstown, Co. Dublin.
D06B/0905Dún Laoghaire–RathdownLodged 9 Oct 2006Extension
- Granted40 m away
Permission is sought to retain demolished area at the rear abutting the adjoining property at 10 St. Helen's…
12, Saint Helen's Road, Booterstown, Co. Dublin
D12B/0338Dún Laoghaire–RathdownLodged 22 Oct 2012Retention
- Granted50 m away
Permission for a dormer window to rear and dormer window to side
82 Saint Helen's Road, Booterstown, Co Dublin
D14B/0438Dún Laoghaire–RathdownLodged 16 Dec 2014Extension
- Granted50 m away
Permission for development. The development will consist of: Demolition / removal of single storey extension…
80, St. Helen's Road, Booterstown, Blackrock, Co. Dublin, A94AE42
D22A/0926Dún Laoghaire–RathdownLodged 24 Nov 2022Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- InvalidExtension
The works will include demolition of existing single storey side and rear extensions, part of first floor and…
20, Saint Helens Road, Booterstown, Blackrock, Dublin, A94CP38
D25A/0031/WEBDún Laoghaire–RathdownLodged 15 Jan 2025
- GrantedExtension
Demolition of the existing single storey garage / extension to the side and rear and existing chimney to the…
68, Thornhill Road, Mount Merrion, Blackrock, Co. Dublin, A94E2R9
D24A/0932/WEBDún Laoghaire–RathdownLodged 25 Nov 2024
- GrantedExtension
The works will include the demolition of the existing rear extension and the construction of a new part…
113, Landscape Park, Churchtown, Dublin 14, D14XK60
D25A/0944/WEBDún Laoghaire–RathdownLodged 8 Dec 2025
- 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
- GrantedExtension
Demolition of the existing chimneys, a new single storey extension with pitched roof to the side to create a…
24, Fairyhill, Blackrock, Dublin, A94DA56
D23B/0381Dún Laoghaire–RathdownLodged 14 Aug 2023
- GrantedExtension
Demolition of existing single storey extension to the rear; existing garage to the side of the existing house…
5, Fortfield Drive, Dublin 6w
SD12B/0209South DublinLodged 10 Aug 2012
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