11, Saint Helen's Road, Booterstown, Blackrock, Dublin, A94XP78
Subdivision of an existing family flat into a separate one-bedroom home in Booterstown.
D23A/0501 · Dun Laoghaire Rathdown County Council · Lodged 26 July 2023
- Reference
- D23A/0501
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 26 July 2023
Summary
AI-generatedThe application seeks to subdivide a previously permitted family flat from the main house. This will create a separate, independent one-bedroom dwelling with its own divided rear garden.
- Residential unit
- 1
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
Subdivision of previously permitted and constructed 'family flat' (d00a/0536) as a seperate 1 bedroom dwelling from the main dwelling, with seperated rear garden.
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 9 February 2024.
Notified floor area: 55 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 6 Grotto Place, Booterstown, Dublin | Nov 2025 | €950,000 | 152 m |
| 35 Castlecourt, Booterstown, Blackrock | Nov 2025 | €875,000 | 162 m |
| 11 Grotto Place, Booterstown, Dublin | Apr 2026 | €500,000 | 164 m |
| 4 Booterstown Court 126, Booterstown, Rock Rd | Jan 2026 | €500,000 | 165 m |
| 49 Castlecourt, Booterstown, Dublin | Dec 2025 | €1,360,000 | 170 m |
| 2 Grotto Place, Booterstown, Dublin | Aug 2025 | €1,100,000 | 173 m |
| 43 St Helens Rd, Booterstown, Dublin | Aug 2025 | €2,060,000 | 179 m |
| 3 Trimleston Ave, Booterstown, Dublinnot full market price | Jun 2026 | €370,000 | 201 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 received26 July 2023
- Decision due19 September 2023
- Decision issued19 September 2023
- Permission expiry25 October 2026
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 the — Demolition of conservatory and kitchen to rear, and chimney to side
9 Saint Helen's Road, Booterstown, Blackrock, Co. Dublin A94 A2F9
D20B/0217Dún Laoghaire–RathdownLodged 22 Jul 2020Extension
- GrantedAt this site
Permission for the demolition of the existing conservatory and garage and the construction of a single storey…
9, St Helens Road, Booterstown, Co. Dublin
D17B/0394Dún Laoghaire–RathdownLodged 28 Aug 2017Extension
- GrantedAt this site
The development will consist of a two storey extension to the side of house with two storye projecting bay…
13, St. Helen's Road, Booterstown, Co. Dublin
D07B/0961Dún Laoghaire–RathdownLodged 28 Nov 2007Extension
- Granted30 m away
Permission for the demolition of the existing single storey side passage and garage to front and side, single…
5 Saint Helen's Road, Booterstown, Co Dublin
D17B/0505Dún Laoghaire–RathdownLodged 8 Nov 2017Extension
- Granted40 m away
Two storey extension to side and rear, in place of, over and to rear of existing garage with bay window at…
3, St. Helens Road, Booterstown, Co Dublin
D03B/0376Dún Laoghaire–RathdownLodged 21 May 2003Extension
- Granted50 m away
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
- Granted50 m away
Extend converted garage to front with bay window to match existing and for single storey extension to side…
19, Saint Helen's Road, Booterstown, Co. Dublin
D04B/0116Dún Laoghaire–RathdownLodged 18 Feb 2004Extension
- Granted50 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
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
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SD19A/0409South DublinLodged 23 Dec 2019
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SD16A/0444South DublinLodged 20 Dec 2016
- Awaiting decisionApartments
Permission to subdivide existing dwelling into 2 no. apartments, (1 no. one-bedroom and 1 no. two-bedroom),…
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