Planning Register
South Dublin County Council · SD25B/0264W · Retention

1 Liffey Grove, Liffey Valley Park, Lucan, Co Dublin, K78 AX86

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

Council received 28 Nov 2025We first saw it 11 Sept 2026, 18:51 (288 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/0264W is a planning application for retention at 1 Liffey Grove, Liffey Valley Park, Lucan, Co Dublin, K78 AX86, received by South Dublin County Council on 28 Nov 2025 and first seen by Planning Register on 11 Sept 2026. The application describes: Retention planning permission for single storey extension to side. The council granted permission on 9 Dec 2025 (retention). The five-week observation window closed on 12 Jan 2026. The site is zoned R2 — existing residential under the South Dublin County Council development plan. Within 500 m there are 83 other decided applications in the last five years and 4 appeals.

Appeal window closes 15 Jan 2026 closed 240 days ago
4 weeks from the council's decision (9 Dec 2025) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer)
Council registerSite report

Proposal

Retention planning permission for single storey extension to side

Status
Final Grant
Decision
Grant permission for retention on 9 Dec 2025
Final grant
27 Jan 2026
Permission expires
26 Jan 2031
Site (from polygon)
511 m²
Location precision
site (coords_polygon)

Timeline

  • 18 Jun 2025
    Further information requested
  • 28 Nov 2025
    Further information received
  • 28 Nov 2025
    New application
    Observation window closed 12 Jan 2026
  • 9 Dec 2025
    Decision
    Appeal window closed 15 Jan 2026

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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 · 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 106459). 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/68225.

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