Planning Register
South Dublin County Council · SD25B/0044W · Permission

55, Saint Helen's Heath, Lucan, Co. Dublin, K78 C9T2

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

Council received 7 Feb 2025We first saw it 11 Sept 2026, 18:51 (582 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/0044W is a planning application for permission at 55, Saint Helen's Heath, Lucan, Co. Dublin, K78 C9T2, received by South Dublin County Council on 7 Feb 2025 and first seen by Planning Register on 11 Sept 2026. The application describes: A ground floor flat roof extension to the rear. The council declared the application invalid on 10 Feb 2025. The five-week observation window closed on 14 Mar 2025. The site is zoned R3 — rural cluster under the South Dublin County Council development plan. Within 500 m there are 69 other decided applications in the last five years and 3 appeals.

Observations close 14 Mar 2025 closed 547 days ago
5 weeks from receipt (7 Feb 2025) · s.34 Planning and Development Act 2000 · art. 29 Regulations 2001 · €20 to the council
Council registerSite report

Proposal

A ground floor flat roof extension to the rear.

Status
Invalid Application
Decision
Invalidate application on 10 Feb 2025
Floor area
22 m²
Site (from polygon)
223 m²
Location precision
site (coords_polygon)

Timeline

  • 7 Feb 2025
    New application
    Observation window closed 14 Mar 2025
  • 10 Feb 2025
    Decision
    Appeal window closed 10 Mar 2025

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

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Detail from the 1837 Ordnance Survey six-inch map: townland boundaries, field patterns and roads
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Appeal

Not appealed.

Commencement

No commencement notice matched to this reference.

    Zoning at the site

    R3 — Rural cluster

    SDZ: To provide for strategic development in accordance with approved planning schemes

    A small rural settlement where only modest infill serving local need is envisaged.

    Designations within 250 m

    No OPW flood extent nearby.

    • NIAH-recorded building · 1
      Airlie House
    • Radon risk area · 2
      About 1 in 10 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

    Provenance

    Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 95191). 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/67659.

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