Planning Register
South Dublin County Council · SD26A/0024W · Retention

11, Liffey Downs, Liffey Valley Park, Lucan, K78 PK40

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

Council received 29 Jan 2026We first saw it 11 Sept 2026, 18:51 (226 days after receipt — sources refresh weekly)
Applications only for this county. Appeals, zoning, RZLT and consultations: Dún Laoghaire-Rathdown and Fingal only for now.

SD26A/0024W is a planning application for retention at 11, Liffey Downs, Liffey Valley Park, Lucan, K78 PK40, received by South Dublin County Council on 29 Jan 2026 and first seen by Planning Register on 11 Sept 2026. The application describes: Retention of a c.40sqm prefabricated garden room/granny flat in the rear garden of home. The council refused permission on 25 Mar 2026. The five-week observation window closed on 5 Mar 2026. An Coimisiún Pleanála decided appeal 501136 on 25 Jun 2026 (grant conditions). The site is zoned R2 — existing residential under the South Dublin County Council development plan. Within 500 m there are 77 other decided applications in the last five years and 1 appeal.

Appeal window closes 22 Apr 2026 closed 143 days ago
4 weeks from the council's decision (25 Mar 2026) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer)
Council registerSite report

Proposal

Retention of a c.40sqm prefabricated garden room/granny flat in the rear garden of home.

Status
Appeal decided
Decision
Refuse permission for retention on 25 Mar 2026
Site (from polygon)
468 m²
Location precision
site (coords_polygon)

Timeline

  • 29 Jan 2026
    New application
    Observation window closed 5 Mar 2026
  • 25 Mar 2026
    Decision
    Appeal window closed 22 Apr 2026
  • 10 Apr 2026
    Appeal lodged

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

Explore from hereFull reportWatch
Click a dot to open its row.
Loading planning applications…
Detail from the 1837 Ordnance Survey six-inch map: townland boundaries, field patterns and roads
Full report
Freeduring launch · PDF or print
OS six-inch sheet, 1837 · public domain
Full report · within 0.5 km of the pin

Full planning report for 53.35328, -6.41524

One document, every dataset, each section with its source and fetch time. Print it or download it as a PDF. It informs a planning search; it is not a statutory search.

Freeduring launch

1 Where this is — preview

1 Deadlines still open

Full reportFree while we launch — no account, no payment. Open it on screen or download the PDF.

Appeal

ACP 501136 · Planning Appeal · decided · Granted with conditions 25 Jun 2026
received by the Commission 10 Apr 2026 · inspector's report · board order

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.

    • NIAH-recorded building · 1
      Ballyowen Cottage
    • Radon risk area · 4
      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 107189). 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/69722.

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