Planning Register
Dún Laoghaire-Rathdown County Council · D25B/0534/WEB · Permission

1, Ailesbury Lawn, Dundrum, Dublin 16, D16HT95

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

Council received 26 Sept 2025We first saw it 11 Sept 2026, 15:18 (351 days after receipt — sources refresh weekly)

D25B/0534/WEB is a planning application for permission at 1, Ailesbury Lawn, Dundrum, Dublin 16, D16HT95, received by Dún Laoghaire-Rathdown County Council on 26 Sept 2025 and first seen by Planning Register on 11 Sept 2026. The application describes: Dormer window to front of existing dwelling, extension to existing dormer to rea… The council refused permission on 17 Nov 2025. The five-week observation window closed on 31 Oct 2025. An Coimisiún Pleanála decided appeal 500471 on 23 Mar 2026 (split). The site is zoned R2 — existing residential under the Dún Laoghaire-Rathdown County Council development plan. Within 500 m there are 106 other decided applications in the last five years and 8 appeals.

Appeal window closes 15 Dec 2025 closed 271 days ago
4 weeks from the council's decision (17 Nov 2025) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer)

Proposal

Dormer window to front of existing dwelling, extension to existing dormer to rea

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 17 Nov 2025
Site (from polygon)
258 m²
Location precision
site (coords_polygon)

Timeline

  • 26 Sept 2025
    New application
    Observation window closed 31 Oct 2025
  • 17 Nov 2025
    Decision
    Appeal window closed 15 Dec 2025
  • 15 Dec 2025
    Appeal lodged

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Appeal

ACP 500471 · Planning Appeal · decided · Split 23 Mar 2026
received by the Commission 15 Dec 2025 · inspector's report · board order

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 · 2
      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
    • Record of Protected Structures · 2
      Simpson's Hospital (former Wyckham House); Simpson's Hospital (former Wyckham House)

    Provenance

    Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 15:18 (store id 5508). 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=D25B/0534/WEB.

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