1, Trimleston Avenue, Booterstown, Co. Dublin, A94 N9F2
Garage conversion and single-storey extensions to the side and rear of the house.
D20A/0125 · Dun Laoghaire Rathdown County Council · Lodged 17 February 2020
- Reference
- D20A/0125
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 17 February 2020
Summary
AI-generatedThe application seeks permission for a single-storey garage conversion and a single-storey extension to the side. It also includes a single-storey rear extension and internal modifications at the first-floor level.
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
Application for single storey garage conversion and single storey extension all to side of existing house, single storey extension to rear of existing house with the addition of 2 no. New windows to side and rear and new internal layout all at first floor level with ancillary 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 28 September 2020.
Notified floor area: 53.3 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 3 Trimleston Ave, Booterstown, Dublinnot full market price | Jun 2026 | €370,000 | 23 m |
| 25 Bellevue Court, Dornden Park, Booterstownnot full market price | Jun 2025 | €251,674 | 142 m |
| 23 Bellevue Court, Booterstown, Dublin | Jan 2026 | €436,000 | 142 m |
| 221 Llandaff Terrace, Elm Park, Merrion | Jan 2026 | €790,000 | 179 m |
| 219 Llandaff Terrace, Merrion Road, Dublin 4 | Jan 2025 | €1,050,000 | 188 m |
| 36 Dornden Park, Booterstown, Dublin | Sept 2025 | €1,311,000 | 190 m |
| 80 Trimleston Gardens, Booterstown, Dublin | Mar 2026 | €985,000 | 294 m |
| 55 Trimleston Gardens, Booterstown, Co Dublin | Mar 2026 | €1,030,000 | 319 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 received17 February 2020
- Decision issued29 May 2020
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 works to existing part single, part two storey mixed use building, including conversion of the…
2 Trimleston Avenue, Booterstown, Blackrock, Co Dublin
D16A/0044Dún Laoghaire–RathdownLodged 28 Jan 2016Change of use
- Granted30 m away
For demolition of existing outhouses construction of a two storey extension to the side; a single storey…
4, Trimleston Avenue, Booterstown Co. Dublin
D05A/1293Dún Laoghaire–RathdownLodged 15 Dec 2005Extension
- Granted30 m away
Partial demolition of existing house and garage and the construction of a two storey extension to the side…
9, Saint Helen's Villas, Booterstown, Co. Dublin
D05B/0540Dún Laoghaire–RathdownLodged 12 Jul 2005Extension
- Granted40 m away
Retention planning permission sought for the construction of a single storey extension to the side and rear…
5, Trimleston Avenue, Booterstown, Co. Dublin.
D06B/0432Dún Laoghaire–RathdownLodged 4 Jan 2007Retention
- Granted40 m away
Permission for the following works to the two storey with attic, semi-detached dwelling: Construction of a…
5 Trimleston Avenue, Booterstown, Blackrock, Co Dublin A94 V254
D19A/0335Dún Laoghaire–RathdownLodged 16 May 2019Extension
- Granted50 m away
Widening of existing vehicular entrance to front of 2-storey, semi detached dwelling with associated site…
8, Saint Helen's Villas, Rock Road, Blackrock, Dublin, A94V8K7
D24A/0054Dún Laoghaire–RathdownLodged 30 Jan 2024Alterations
- Granted50 m away
Retention permission for a detached garden shed built to side and front, used for storage purposes
32, Trimleston Avenue, Merrion, Blackrock, Dublin, A94X089
D24B/0098Dún Laoghaire–RathdownLodged 13 Mar 2024Retention
- Granted50 m away
Retention permission for partitions added to existing opened entry porch to front and side, conservatory…
32, Trimleston Avenue, Merrion, Blackrock, Co Dublin
D22A/0271Dún Laoghaire–RathdownLodged 14 Apr 2022Retention
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 conversion of existing single storey garage to side, construction of single storey extension…
51 Carysfort Avenue, Blackrock, Co Dublin
D14B/0457Dún Laoghaire–RathdownLodged 23 Dec 2014
- GrantedExtension
Permission for the construction of single storey extension to side of existing dwelling, conversion of…
Ballyhander, Ballinspittle, Co Cork,
244123corkLodged 26 Jan 2024
- GrantedExtension
Permission to construct single-storey extension to the rear and side of existing two-storey dwelling house,…
No.13 , Saint Christophers Walk , Montenotte
2342083Cork CityLodged 15 Jun 2023
- GrantedExtension
Erection of a single storey extension to the rear and side at ground level together with the conversion of…
29, Trimleston Gardens, Booterstown, Co. Dublin
D04B/0846Dún Laoghaire–RathdownLodged 2 Mar 2005
- GrantedExtension
Conversion of portion of existing single storey garage to side to habitable use; single storey extension to…
130, Templeogue Road, Templeogue, Dublin 6W.
SD14B/0076South DublinLodged 20 Mar 2014
- GrantedExtension
Construction of extensions to side and rear of existing dwelling house, including first floor extension over…
6 Willowbank, Quartertown Lower, Quartertown, Mallow, Co. Cork
215738corkLodged 23 Jun 2021
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