16, Trimleston Avenue, Booterstown, Blackrock, Dublin, A94C588
Two-storey and single-storey extensions to the front, side, and rear, plus an attic conversion with a rear dormer window.
D24B/0121 · Dun Laoghaire Rathdown County Council · Lodged 22 March 2024
- Reference
- D24B/0121
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 22 March 2024
Summary
AI-generatedThe development includes a two-storey flat roof extension to the rear and side, alongside a single-storey flat roof extension to the front and rear. It also proposes an attached bike store, an attic conversion with a rear dormer window, and changing the roof profile from hip to gable.
- 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
- 2 storey flat roof extension to rear and side
- Single storey flat roof extension to rear and front
- Bike store attached attached to side
- Attic conversion with dormer window to rear
- Change of roof profile from hip to gable
- Proposed windows to side
- All related 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 15 May 2025.
Notified floor area: 216 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 36 Dornden Park, Booterstown, Dublin | Sept 2025 | €1,311,000 | 31 m |
| 23 Bellevue Court, Booterstown, Dublin | Jan 2026 | €436,000 | 61 m |
| 25 Bellevue Court, Dornden Park, Booterstownnot full market price | Jun 2025 | €251,674 | 61 m |
| 3 Trimleston Ave, Booterstown, Dublinnot full market price | Jun 2026 | €370,000 | 138 m |
| 221 Llandaff Terrace, Elm Park, Merrion | Jan 2026 | €790,000 | 180 m |
| 219 Llandaff Terrace, Merrion Road, Dublin 4 | Jan 2025 | €1,050,000 | 187 m |
| 55 Trimleston Gardens, Booterstown, Co Dublin | Mar 2026 | €1,030,000 | 233 m |
| 53 Trimleston Gardens, Booterstown, Dublin | May 2025 | €1,160,000 | 247 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 received22 March 2024
- Decision due16 May 2024
- Decision issued13 May 2024
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 sought to construct a new front porch;a single storey domestic extension to the rear; conversion…
15, Trimleston Avenue, Booterstown,Co Dublin
D07B/0107Dún Laoghaire–RathdownLodged 5 Feb 2007Extension
- GrantedAt this site
Construction of porch, 2 storey extension to rear and side of house, to include kitchen/dining room, bedroom…
17, Trimleston Avenue, Booterstown, Co. Dublin
D06B/0638Dún Laoghaire–RathdownLodged 12 Jul 2006Extension
- GrantedAt this site
Permission for small single storey extension with a pitched roof to the front with a roof light, associated…
17 Trimleston Avenue, Booterstown, Co Dublin
D16B/0252Dún Laoghaire–RathdownLodged 13 Jun 2016Extension
- Granted30 m away
The development will consist of:1. Demolition of single storey shed to the rear — Single storey ground floor…
19 Trimleston Avenue, Blackrock, Co. Dublin, A94XD42
D26B/0209/WEBDún Laoghaire–RathdownLodged 7 Apr 2026Extension
- Withdrawn40 m away
Permission for proposed alterations to existing dwelling, including: demolition of existing single storey…
21, Trimleston Avenue, Booterstown, Co. Dublin
D14A/0150Dún Laoghaire–RathdownLodged 27 Mar 2014Extension
- Granted40 m away
Permission for proposed alterations to existing dwelling including; demolition of existing single storey side…
21, Trimleston Avenue, Booterstown, Co. Dublin
D14A/0255Dún Laoghaire–RathdownLodged 8 Jul 2014Extension
- Granted60 m away
A) New pedestrian entrance gate, B) single storey porch extension to the front, C) Single storey…
38, Dornden Park, Booterstown, Co. Dublin
D05B/0503Dún Laoghaire–RathdownLodged 1 Jul 2005Extension
- Granted60 m away
The development will consist of extensions to an existing single storey detached dwelling, which include (a)…
38, Dornden Park, Booterstown, Co. Dublin
D06B/0503Dún Laoghaire–RathdownLodged 6 Jun 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.
- GrantedExtension
A) Alterations to front, side and rear facades; b) New two-storey pitched roof extension to front; c) New…
29, Monkstown Avenue, Monkstown, Dublin, A94H599
D25A/0777/WEBDún Laoghaire–RathdownLodged 14 Oct 2025
- GrantedExtension
Permission for addition of a 3m2 single storey hipped roof extension to front. Two storey pitched roof…
22 Congress Gardens, Glasthule, Co Dublin
D16B/0029Dún Laoghaire–RathdownLodged 29 Jan 2016
- GrantedExtension
Single storey flat roof extension to the rear with 2no. rooflights — first floor extension to the side with…
73, Weirview Drive, Stillorgan, Dublin, A94YA22
D23B/0175Dún Laoghaire–RathdownLodged 19 Apr 2023
- InvalidExtension
A) Erection of a new 2 storey extension over existing side extension, b) new tiled canopy and bay windows to…
152, Hillcrest Park, Dublin 11, D11 T8F7
WEB1087/24Dublin CityLodged 30 Jan 2024
- RefusedExtension
Permission for a) Second story hipped roof extension over existing garage to side to include Dutch gable with…
21, Abbey Park, Monkstown, Co. Dublin
D18A/0737Dún Laoghaire–RathdownLodged 30 Jul 2018
- GrantedExtension
New two storey extension to side and a new single storey extension to rear; conversion of attic to useable…
1, Ellensborough Downs, Kiltipper, Tallaght, Dublin 24
SD16B/0152South DublinLodged 12 Aug 2016
Community
Discussion
What local people think about this application.
Community sentiment
No votes yetNobody has voted on this application yet.
Community sentiment — a straw poll of people who visited this page, not a statutory submission. To make a valid observation you must submit it to the planning authority.
Sign in to have your say on this application.
No comments yet. Be the first to say what you think about this application.
Sign in to join the discussion on this application.
Comments are moderated and are the opinions of the people who wrote them. They form no part of the statutory planning process — to make a valid observation you must submit it to the planning authority.