Planning Register
South Dublin County Council · SD25B/0185W · Permission

11, Woodstown Drive, Knocklyon, Dublin 16, D16 C426

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

Council received 4 Apr 2025We first saw it 11 Sept 2026, 18:51 (526 days after receipt — sources refresh weekly)
Applications only for this county. Appeals, zoning, RZLT and consultations: Dún Laoghaire-Rathdown and Fingal only for now.

SD25B/0185W is a planning application for permission at 11, Woodstown Drive, Knocklyon, Dublin 16, D16 C426, received by South Dublin County Council on 4 Apr 2025 and first seen by Planning Register on 11 Sept 2026. The application describes: The development will consist of the construction of a first floor extension over existing room below to side of existing 3-bedroom semi-detached dwelling, with hipped roof over and Velux roof window to the side and all associated site works. The council granted permission on 23 May 2025. The five-week observation window closed on 9 May 2025. The site is zoned R2 — existing residential under the South Dublin County Council development plan. Within 500 m there are 77 other decided applications in the last five years and 3 appeals.

Appeal window closes 20 Jun 2025 closed 450 days ago
4 weeks from the council's decision (23 May 2025) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer)
Council registerSite report

Proposal

The development will consist of the construction of a first floor extension over existing room below to side of existing 3-bedroom semi-detached dwelling, with hipped roof over and Velux roof window to the side and all associated site works

Status
Final Grant
Decision
Grant permission on 23 May 2025
Final grant
3 Jul 2025
Permission expires
1 Jul 2030
Floor area
16 m²
Site (from polygon)
278 m²
Location precision
site (coords_polygon)

Timeline

  • 4 Apr 2025
    New application
    Observation window closed 9 May 2025
  • 23 May 2025
    Decision
    Appeal window closed 20 Jun 2025

Around this site this application first, then everything within 500 m

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Appeal

Not appealed.

Commencement

No commencement notice matched to this reference.

    Zoning at the site

    R2 — Existing residential

    RES: To protect and/or improve residential amenity

    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
      About 1 in 20 homes in this area is likely to have high radon levels
    • Recorded monument · 3
      Fulacht fia; R149387; R149388

    Provenance

    Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 98689). 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/southdublin/application-details/68021.

    Source: npad · fetched 11 Sept 2026, 18:51
    SourceLicenceFetchedLink
    npadCC-BY-4.011 Sept 2026, 18:51open