Planning Register
Dún Laoghaire-Rathdown County Council · D26A/0158/WEB · Permission

31 Knocksinna Park, Foxrock, Dublin 18, D18C5R3

Data updated 12 Sept 2026 · register lag up to 7 days · sources & freshness

Council received 3 Mar 2026We first saw it 11 Sept 2026, 15:18 (193 days after receipt — sources refresh weekly)

D26A/0158/WEB is a planning application for permission at 31 Knocksinna Park, Foxrock, Dublin 18, D18C5R3, received by Dún Laoghaire-Rathdown County Council on 3 Mar 2026 and first seen by Planning Register on 11 Sept 2026. The application describes: The proposed development will consist of subdivision of the existing site and c… The council declared the application invalid on 9 Mar 2026. The five-week observation window closed on 7 Apr 2026. The site is zoned R2 — existing residential under the Dún Laoghaire-Rathdown County Council development plan. Within 500 m there are 73 other decided applications in the last five years and 9 appeals.

Observations close 7 Apr 2026 closed 158 days ago
5 weeks from receipt (3 Mar 2026) · s.34 Planning and Development Act 2000 · art. 29 Regulations 2001 · €20 to the council
Council registerSite report

Proposal

The proposed development will consist of subdivision of the existing site and c

The description is truncated at source (80 characters in the national feed). The full text is on the council register.

Status
Invalid Details Sent to Applicant
Decision
Declare application invalid on 9 Mar 2026
Site (from polygon)
200 m²
Location precision
site (coords_polygon)

Timeline

  • 3 Mar 2026
    New application
    Observation window closed 7 Apr 2026
  • 9 Mar 2026
    Decision
    Appeal window closed 7 Apr 2026

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Appeal

Not appealed.

Commencement

No commencement notice matched to this reference.

    Zoning at the site

    R2 — Existing residential

    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.

    R2.6 — Existing residential

    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 · 5
      About 1 in 10 homes in this area is likely to have high radon levels; About 1 in 20 homes in this area is likely to have high radon levels; About 1 in 5 homes in this area is likely to have high radon levels
    • Recorded monument · 1
      R149392

    Provenance

    Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 15:18 (store id 4685). 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=D26A/0158/WEB.

    Source: npad · fetched 11 Sept 2026, 15:18
    SourceLicenceFetchedLink
    npadCC-BY-4.011 Sept 2026, 15:18open