Planning Register
South Dublin County Council · SD26B/0259W · Permission and Retention

SeaBur, Highdown Hill, Newcastle, Co. Dublin

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

Council received 27 May 2026We first saw it 11 Sept 2026, 18:51 (108 days after receipt — sources refresh weekly)
Applications only for this county. Appeals, zoning, RZLT and consultations: Dún Laoghaire-Rathdown and Fingal only for now.

SD26B/0259W is a planning application for permission and retention at SeaBur, Highdown Hill, Newcastle, Co. Dublin, received by South Dublin County Council on 27 May 2026 and first seen by Planning Register on 11 Sept 2026. The application describes: Permission for a dormer roof extension over existing one storey house, with a dormer extension to the side and rear of the existing one storey house. Retention permission for a one storey detached domestic garage to the rear of the existing dwelling as constructed and all associated siteworks. The council granted permission on 21 Jul 2026 (retention). The five-week observation window closed on 1 Jul 2026. The site is zoned P1 — rural under the South Dublin County Council development plan. Within 500 m there are 4 other decided applications in the last five years.

Appeal window closes 18 Aug 2026 closed 25 days ago
4 weeks from the council's decision (21 Jul 2026) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer)
Council registerSite report

Proposal

Permission for a dormer roof extension over existing one storey house, with a dormer extension to the side and rear of the existing one storey house. Retention permission for a one storey detached domestic garage to the rear of the existing dwelling as constructed and all associated siteworks.

Status
Decision
Decision
Grant permission & grant retention on 21 Jul 2026
Floor area
166 m²
Site (from polygon)
3,145 m²
Location precision
site (coords_polygon)

Timeline

  • 27 May 2026
    New application
    Observation window closed 1 Jul 2026
  • 21 Jul 2026
    Decision
    Appeal window closed 18 Aug 2026

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

    P1 — Rural

    RU: To protect and improve rural amenity and to provide for the development of agriculture

    Zoned to protect agriculture, rural enterprise and biodiversity. New houses are restricted to demonstrated local need.

    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 5 homes in this area is likely to have high radon levels
    • Recorded monument · 1
      R148236

    Provenance

    Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 116256). 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/70413.

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