Site at Thornhill Oaks, Mount Merrion, Blackrock, Co Dublin
Data updated 12 Sept 2026 · register lag up to 7 days · sources & freshness
D24A/0059 is a planning application for permission at Site at Thornhill Oaks, Mount Merrion, Blackrock, Co Dublin, received by Dún Laoghaire-Rathdown County Council on 31 Jan 2024 and first seen by Planning Register on 11 Sept 2026. The application describes: Redesign of the permitted no. 40 Thornhill Oaks (D20A/0432, ABP308150-20) to. The council refused permission on 25 Mar 2024. The five-week observation window closed on 6 Mar 2024. An Coimisiún Pleanála decided appeal 319565 on 31 Jan 2025 (grant conditions). A commencement notice (CN0136895DR) was lodged on 5 Jan 2026, 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 16 appeals.
Proposal
Redesign of the permitted no. 40 Thornhill Oaks (D20A/0432, ABP308150-20) to
The description is truncated at source (80 characters in the national feed). The full text is on the council register.
- Status
- Appeal decided
- Decision
- Refuse permission on 25 Mar 2024
- Site (from polygon)
- 361 m²
- Location precision
- site (coords_polygon)
Timeline
- 31 Jan 2024New applicationObservation window closed 6 Mar 2024
- 25 Mar 2024DecisionAppeal window closed 22 Apr 2024
- 22 Apr 2024Appeal lodged
Full planning report for 53.29213, -6.20779
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1 Where this is — preview
1 Deadlines still open
Appeal
Commencement
- Opt out commencement notice CN0136895DR
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 · 2
- Record of Protected Structures · 1
Provenance
Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 15:18 (store id 13421). 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=D24A/0059.
Source: npad · fetched 11 Sept 2026, 15:18
| Source | Licence | Fetched | Link |
|---|---|---|---|
| npad | CC-BY-4.0 | 11 Sept 2026, 15:18 | open |