Thornhill Oaks, Cherrygarth, Mount Merrion, Blackrock, Co. Dublin, and Thornhill House (a Protected Structure) A94W7C5
Data updated 12 Sept 2026 · register lag up to 7 days · sources & freshness
D25A/0862/WEB is a planning application for permission at Thornhill Oaks, Cherrygarth, Mount Merrion, Blackrock, Co. Dublin, and Thornhill House (a Protected Structure) A94W7C5, received by Dún Laoghaire-Rathdown County Council on 12 Nov 2025 and first seen by Planning Register on 11 Sept 2026. The application describes: Oak View Property Developments Limited, intend to apply for Retention Permission… The council granted permission on 14 Jan 2026. The five-week observation window closed on 17 Dec 2025. The site is zoned G1 — open space with recreation under the Dún Laoghaire-Rathdown County Council development plan. Within 500 m there are 144 other decided applications in the last five years and 19 appeals.
Proposal
Oak View Property Developments Limited, intend to apply for Retention Permission
The description is truncated at source (80 characters in the national feed). The full text is on the council register.
- Status
- Final Grant
- Decision
- Grant permission on 14 Jan 2026
- Final grant
- 18 Feb 2026
- Site (from polygon)
- 7,721 m²
- Location precision
- site (coords_polygon)
Timeline
- 12 Nov 2025New applicationObservation window closed 17 Dec 2025
- 14 Jan 2026DecisionAppeal window closed 11 Feb 2026
Full planning report for 53.29159, -6.20849
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1 Where this is — preview
1 Deadlines still open
Appeal
Not appealed.
Commencement
No commencement notice matched to this reference.
Zoning at the site
Objective F: F To preserve and provide for open space with ancillary active recreational amenities.
Open space with active recreational amenities — pitches, courts, play areas.
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 F: F To preserve and provide for open space with ancillary active recreational amenities.
Open space with active recreational amenities — pitches, courts, play areas.
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 · 3
- Record of Protected Structures · 1
Provenance
Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 15:18 (store id 36116). 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=D25A/0862/WEB.
Source: npad · fetched 11 Sept 2026, 15:18
| Source | Licence | Fetched | Link |
|---|---|---|---|
| npad | CC-BY-4.0 | 11 Sept 2026, 15:18 | open |