40, Saint Helen's Road, Booterstown, Co. Dublin, A94 XR66
Changes to a previously approved extension and a new attic conversion with a rear dormer in Booterstown.
D21A/0007 · Dun Laoghaire Rathdown County Council · Lodged 5 January 2021
- Reference
- D21A/0007
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 5 January 2021
Summary
AI-generatedThe applicant seeks to modify a previously granted permission by reducing the first-floor extension area, changing the roof from pitched to flat, and widening the front gate. Permission is also sought for an attic conversion to a habitable room with a rear dormer window.
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 is sought for change of design from that previously granted under planning file reference number d17a/0931 consisting of changes to the granted first floor extension to include a reduction in proposed area, change from pitched to flat roof and minor changes to the elevations, also an increase in the width of the granted vehicular access gate to the front of the house. Permission is also sought for an attic conversion to a habitable room with single dormer window to rear of the hou...
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 11 November 2022.
Notified floor area: 20 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 43 St Helens Rd, Booterstown, Dublin | Aug 2025 | €2,060,000 | 65 m |
| 80 Trimleston Gardens, Booterstown, Dublin | Mar 2026 | €985,000 | 173 m |
| 13 Castle Court, Booterstown Ave, Blackrocknot full market price | Jul 2025 | €600,000 | 176 m |
| 31 Trimleston Gardens, Booterstown, Blackrock | Oct 2025 | €968,000 | 181 m |
| 49 Castlecourt, Booterstown, Dublin | Dec 2025 | €1,360,000 | 191 m |
| 35 Castlecourt, Booterstown, Blackrock | Nov 2025 | €875,000 | 207 m |
| 6 Grotto Place, Booterstown, Dublin | Nov 2025 | €950,000 | 218 m |
| 43 Seamount, Stillorgan Rd, Dublin | Feb 2025 | €575,000 | 218 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 received5 January 2021
- Decision issued26 February 2021
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 construction of a master bedroom and en-suite extension at the rear first floor level and…
40, Saint Helens Road, Booterstown, Co. Dublin
D17A/0931Dún Laoghaire–RathdownLodged 19 Oct 2017Extension
- GrantedAt this site
Permission sought for works to the side of main location consisting of the demolition of an existing single…
42, Saint Helen's Road, Booterstown, Co Dublin
D07A/0513Dún Laoghaire–RathdownLodged 20 Apr 2007Extension
- GrantedAt this site
Permission is sought for works. The development consists of: demolition of existing single storey extension…
38, Saint Helen's Road, Booterstown, Co. Dublin A94 RX08
D15A/0721Dún Laoghaire–RathdownLodged 19 Nov 2015Extension
- GrantedAt this site
Two-storey extension to side of house with two storey projecting bay windows to front including ground floor…
36, Saint Helen's Road, Booterstown, Co. Dublin
D07B/0903Dún Laoghaire–RathdownLodged 1 Nov 2007Extension
- Invalid30 m away
Single storey extension to rear and side. [LOCATION] 34 St Helens Road, Booterstown, Co. Dublin. [LOCATION]
34 St Helens Road, Booterstown, Co. Dublin.
D02B/0348Dún Laoghaire–RathdownLodged 23 May 2002Extension
- Granted30 m away
Single storey extension to rear and side. [LOCATION] 34 St. Helen's Road, Booterstown, Co. Dublin. [LOCATION]
34 St. Helen's Road, Booterstown, Co. Dublin.
D02B/0554Dún Laoghaire–RathdownLodged 12 Jul 2002Extension
- Granted40 m away
Permission for the demolition of a single storey garage and sheds, the construction of a new part single,…
48 Saint Helen's Road, Booterstown, Co Dublin
D16A/0526Dún Laoghaire–RathdownLodged 13 Oct 2016Extension
- Granted50 m away
Permission for two storey extension to side and rear with new bay window to front to match existing, with new…
60 Saint Helens Road, Booterstown, Co Dublin
D15A/0069Dún Laoghaire–RathdownLodged 5 Feb 2015Extension
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