Planning Register
South Dublin County Council · ED25/0031 · Declaration of Exemption Sect. 5

4, Hersil Green, Knocklyon, Dublin 16, D16 K8K8

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

Council received 1 Apr 2025We first saw it 11 Sept 2026, 18:51 (529 days after receipt — sources refresh weekly)
Applications only for this county. Appeals, zoning, RZLT and consultations: Dún Laoghaire-Rathdown and Fingal only for now.

ED25/0031 is a planning application for declaration of exemption sect. 5 at 4, Hersil Green, Knocklyon, Dublin 16, D16 K8K8, received by South Dublin County Council on 1 Apr 2025 and first seen by Planning Register on 11 Sept 2026. The application describes: Removal of exisitng timber shed to be replaced by new flat roof garden room / store to the rear of the property. The council granted permission on 16 Apr 2025. The five-week observation window closed on 6 May 2025. The site is zoned R2 — existing residential under the South Dublin County Council development plan. Within 500 m there are 84 other decided applications in the last five years and 4 appeals.

Appeal window closes 14 May 2025 closed 486 days ago
4 weeks from the council's decision (16 Apr 2025) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer)
Council registerSite report

Proposal

Removal of exisitng timber shed to be replaced by new flat roof garden room / store to the rear of the property.

Status
Decision
Decision
Declared exempt on 16 Apr 2025
Site (from polygon)
5 m²
Location precision
site (coords_polygon)

Timeline

  • 1 Apr 2025
    New application
    Observation window closed 6 May 2025
  • 16 Apr 2025
    Decision
    Appeal window closed 14 May 2025

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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

    Provenance

    Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 89118). 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/67993.

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