58, Trimleston Gardens, Booterstown, Blackrock, Dublin, A94RF97
Data updated 12 Sept 2026 · register lag up to 7 days · sources & freshness
D23A/0757 is a planning application for permission at 58, Trimleston Gardens, Booterstown, Blackrock, Dublin, A94RF97, received by Dún Laoghaire-Rathdown County Council on 28 Nov 2023 and first seen by Planning Register on 11 Sept 2026. The application describes: Single storey rear extension. The construction of a 1st floor extension above. The council granted permission on 30 Jan 2024. The five-week observation window closed on 11 Jan 2024. An Coimisiún Pleanála decided appeal 319131 on 24 Sept 2024 (grant conditions). A commencement notice (CN0121205DR) was lodged on 23 Oct 2024, so works have started on site. The site is zoned R2 — existing residential under the Dún Laoghaire-Rathdown County Council development plan. Within 500 m there are 136 other decided applications in the last five years and 18 appeals.
Proposal
Single storey rear extension. The construction of a 1st floor extension above
The description is truncated at source (80 characters in the national feed). The full text is on the council register.
- Status
- Appeal decided
- Decision
- Grant permission on 30 Jan 2024
- Site (from polygon)
- 260 m²
- Location precision
- site (coords_polygon)
Timeline
- 28 Nov 2023New applicationObservation window closed 11 Jan 2024
- 30 Jan 2024DecisionAppeal window closed 27 Feb 2024
- 26 Feb 2024Appeal lodged

Full planning report for 53.30956, -6.20516
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1 Where this is — preview
1 Deadlines still open
Appeal
Commencement
- Opt out commencement notice CN0121205DR
Zoning at the site
Objective A: A To provide residential development and improve residential amenity while protecting the existing residential amenities
An established residential area. The objective is to protect existing residential amenity as well as to provide housing — which is the objective a neighbour's objection to an overbearing extension is usually argued under.
Objective A: A To provide residential development and improve residential amenity while protecting the existing residential amenities
An established residential area. The objective is to protect existing residential amenity as well as to provide housing — which is the objective a neighbour's objection to an overbearing extension is usually argued under.
Designations within 250 m
No OPW flood extent nearby.
- Radon risk area · 1
- Record of Protected Structures · 1
Provenance
Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 15:18 (store id 6412). Deadlines were computed by the store from the received / decided dates under the Planning and Development Act 2000 and are recorded as events, not recomputed here. Council register: https://planning.agileapplications.ie/dunlaoghaire/application-details/?ref=D23A/0757.
Source: npad · fetched 11 Sept 2026, 15:18
| Source | Licence | Fetched | Link |
|---|---|---|---|
| npad | CC-BY-4.0 | 11 Sept 2026, 15:18 | open |