PlanningRegister.ie
South Dublin County Council · SD26A/0024W

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

  1. 29 Jan 2026Received
  2. 25 Mar 2026Refuse permission for retention
  3. 10 Apr 2026Appealed
  4. 25 Jun 2026Appeal: Granted with conditions
Applications only for this county. Appeals, zoning, RZLT and consultations: Dún Laoghaire-Rathdown and Fingal only for now.
Status
Appeal decided — granted
Decision
Refuse permission for retention · 25 Mar 2026
Council
South Dublin County Council
Type
Retention
Site
468 m²
Appeal
ACP 501136 · Granted with conditions

What’s proposed

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

SD26A/0024W is a planning application to South Dublin County Council for retention of a c.40sqm prefabricated garden room/granny flat in the rear garden of home, received on 29 Jan 2026; permission was refused on 25 Mar 2026.

Planning details

Reference
SD26A/0024W
Local authority
South Dublin County Council
Status
Appeal decided — granted · register status “Appeal decided
Received
29 Jan 2026
Observations close
5 Mar 2026 (closed 193 days ago)
Decision due
25 Mar 2026 · decided 25 Mar 2026
Decision
Refuse permission for retention on 25 Mar 2026
Proposed development
Retention of a c.40sqm prefabricated garden room/granny flat in the rear garden of home
As published by the register.
Site area
468 m² from the mapped boundary, not the council's figure
Applicant
Not published — the national feed carries no applicant name council register

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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