Planning Register
South Dublin County Council · SD25B/0280W · Permission

20 Greentrees Drive, Perrystown, Dublin 12

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

Council received 18 May 2025We first saw it 11 Sept 2026, 18:51 (482 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/0280W is a planning application for permission at 20 Greentrees Drive, Perrystown, Dublin 12, received by South Dublin County Council on 18 May 2025 and first seen by Planning Register on 11 Sept 2026. The application describes: Planning permission is sought for first floor extension over existing garage for bedroom use, garage conversion to office, single storey kitchen extension to rear and internal modifications being made and all associated site works. The council granted permission on 9 Jul 2025. The five-week observation window closed on 23 Jun 2025. A commencement notice (CN0137496SD) was lodged on 22 Jan 2026, so works have started on site. The site is zoned R2 — existing residential under the South Dublin County Council development plan. Within 500 m there are 145 other decided applications in the last five years and 14 appeals.

Appeal window closes 6 Aug 2025 closed 402 days ago
4 weeks from the council's decision (9 Jul 2025) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer)
Council registerSite report

Proposal

Planning permission is sought for first floor extension over existing garage for bedroom use, garage conversion to office, single storey kitchen extension to rear and internal modifications being made and all associated site works

Status
Final Grant
Decision
Grant permission on 9 Jul 2025
Final grant
20 Aug 2025
Permission expires
19 Aug 2030
Floor area
42 m²
Site (from polygon)
637 m²
Location precision
site (coords_polygon)

Timeline

  • 18 May 2025
    New application
    Observation window closed 23 Jun 2025
  • 9 Jul 2025
    Decision
    Appeal window closed 6 Aug 2025

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Appeal

Not appealed.

Commencement

  • Opt out commencement notice CN0137496SD
    22 Jan 202620 Greentrees Drive, Perrystown, Dublin, D12 HX48matched by ref_exact

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

OPW flood extent nearby — flag only (licence); floodinfo.ie.

  • Radon risk area · 2
    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

Provenance

Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 110472). 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/68266.

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