Planning Register
South Dublin County Council · SD25B/0432 · Permission

15, Liffey Terrace, Liffey Valley park, Lucan, Co.Dublin, K78 E278

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

Council received 3 Jul 2025We first saw it 11 Sept 2026, 18:51 (436 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/0432 is a planning application for permission at 15, Liffey Terrace, Liffey Valley park, Lucan, Co.Dublin, K78 E278, received by South Dublin County Council on 3 Jul 2025 and first seen by Planning Register on 11 Sept 2026. The application describes: Development will consist of a proposed new Dutch hip gable wall to the side of the existing house. A new flat roof dormer to the rear of the existing house roof converting the attic space into new bedroom. 1no new Velux to the front of the existing house roof & 2 No to the rear of the existing house roof. A new window at attic level in new side gable wall and all ancillary works. The council granted permission on 25 Aug 2025. The five-week observation window closed on 7 Aug 2025. The site is zoned R2 — existing residential under the South Dublin County Council development plan. Within 500 m there are 79 other decided applications in the last five years and 1 appeal.

Appeal window closes 22 Sept 2025 closed 355 days ago
4 weeks from the council's decision (25 Aug 2025) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer)
Council registerSite report

Proposal

Development will consist of a proposed new Dutch hip gable wall to the side of the existing house. A new flat roof dormer to the rear of the existing house roof converting the attic space into new bedroom. 1no new Velux to the front of the existing house roof & 2 No to the rear of the existing house roof. A new window at attic level in new side gable wall and all ancillary works

Status
Final Grant
Decision
Grant permission on 25 Aug 2025
Final grant
9 Oct 2025
Permission expires
8 Oct 2030
Floor area
28 m²
Site (from polygon)
207 m²
Location precision
site (coords_polygon)

Timeline

  • 3 Jul 2025
    New application
    Observation window closed 7 Aug 2025
  • 25 Aug 2025
    Decision
    Appeal window closed 22 Sept 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 · 3
      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; 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 94393). 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/68549.

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