19, Trimleston Drive, Blackrock, Co. Dublin A94 T211
Ground and first-floor extensions, partial garage conversion, bike storage, and an attic conversion with a side dormer.
D18B/0184 · Dun Laoghaire Rathdown County Council · Lodged 20 April 2018
- Reference
- D18B/0184
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 20 April 2018
Summary
AI-generatedThe proposed development includes a ground-floor side extension for bike storage, a partial garage conversion to relocate stairs and create a music room, and a single-storey rear extension. It also features a first-floor extension to enlarge bedrooms and an attic conversion for storage with a side dormer and skylights.
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 for development. The development will consist of
- Ground floor extension to side to build a bike storage
- Partial garage conversion to relocate stairs and create a music room; 3)single storey extension to rear to enlarge kitchen/dining area and music room
- First floor extension to enlarge existing bedroom to front and create new bedroom to rear
- Attic conversion, for storage purposes only, with dormer to side and new skylights to front and rear. Some of the extensions w
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 2 April 2019.
Notified floor area: 178 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 12 Trimleston Drive, Booterstown, Co Dublin | Jun 2026 | €1,075,000 | 76 m |
| 69 Fosterbrook, Booterstown, Blackrock | Jan 2025 | €1,165,000 | 116 m |
| Apartment 4 Woodbine Park, 4 Woodbine Park, Blackrock | Nov 2025 | €350,000 | 119 m |
| 20 Trimleston Rd, Booterstown, Dublin | Nov 2025 | €1,150,000 | 123 m |
| 55 Trimleston Gardens, Booterstown, Co Dublin | Mar 2026 | €1,030,000 | 127 m |
| 74 Fosterbrook, Stillorgan Rd, Stillorgan | May 2025 | €845,000 | 130 m |
| 53 Trimleston Gardens, Booterstown, Dublin | May 2025 | €1,160,000 | 142 m |
| 76 Fosterbrook, Stillorgan Rd, Dublin | Dec 2025 | €905,000 | 143 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 received20 April 2018
- Decision issued14 June 2018
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 — Conversion of attic to storage including a dormer window to the side and a velux roof light…
18 Trimleston Drive, Booterstown, Co Dublin
D15A/0408Dún Laoghaire–RathdownLodged 22 Jun 2015Extension
- GrantedAt this site
Permission for a proposed development. The development will consist of the demolition of existing single…
20 Trimleston Drive, Blackrock, Co. Dublin
D20B/0090Dún Laoghaire–RathdownLodged 26 Mar 2020Extension
- Granted40 m away
Permission for removal of existing gate pier and flanking wall. The construction of new gate pier to match…
4, Trimleston Drive, Booterstown, Co. Dublin
D13A/0152Dún Laoghaire–RathdownLodged 3 Apr 2013Alterations
- Granted40 m away
Planning permission for construction of a new ground floor extension to the rear, and to the side and front…
14 Trimleston Drive, Booterstown, Blackrock, Co. Dublin. A94AC95
D23B/0072Dún Laoghaire–RathdownLodged 22 Feb 2023Extension
- Granted40 m away
Amendment of the plans for the notification of grant of permission D23B/0072, in order to build up the…
14, Trimleston Drive, Booterstown, Blackrock, Dublin, A94AC95
D23B/0210Dún Laoghaire–RathdownLodged 8 May 2023Extension
- Granted40 m away
Demolition of a single storey garage to the side of the existing semi-detached dwelling and the construction…
1, Trimleston Road, Booterstown, Co. Dublin
D06A/1008Dún Laoghaire–RathdownLodged 27 Feb 2007New dwelling
- Granted40 m away
Permission consisting of the removal of existing gate pier and flanking wall. The construction of new gate…
3, Trimbleston Drive, Booterstown, Dublin 4
D13A/0082Dún Laoghaire–RathdownLodged 21 Feb 2013Alterations
- Granted40 m away
Permission to retain and complete the ground floor rear extension consisting of utility room 3.808 sqm in…
1A Trimleston Road, Booterstown, Co Dublin
D15A/0419Dún Laoghaire–RathdownLodged 29 Jun 2015Retention
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 development at this site. The development will consist of; Attic conversion for storage and…
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D19A/0738Dún Laoghaire–RathdownLodged 3 Oct 2019
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D21B/0220Dún Laoghaire–RathdownLodged 4 May 2021
- GrantedExtension
PERMISSION The development will consist of: Single-storey sloped-roof front and side extension with a front…
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