Planning Register
South Dublin County Council · SD23B/0039 · Permission

12, Orlagh Park, Knocklyon, Dublin 16.

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

Council received 2 Feb 2023We first saw it 11 Sept 2026, 18:51 (1318 days after receipt — sources refresh weekly)
Applications only for this county. Appeals, zoning, RZLT and consultations: Dún Laoghaire-Rathdown and Fingal only for now.

SD23B/0039 is a planning application for permission at 12, Orlagh Park, Knocklyon, Dublin 16., received by South Dublin County Council on 2 Feb 2023 and first seen by Planning Register on 11 Sept 2026. The application describes: New single storey rear extension with roof light. New high level ground floor window to existing side elevation and all associated site works. The council granted permission on 21 Mar 2023. The five-week observation window closed on 9 Mar 2023. A commencement notice (CN0118343SD) was lodged on 12 Aug 2024, 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 29 other decided applications in the last five years and 3 appeals.

Appeal window closes 18 Apr 2023 closed 1244 days ago
4 weeks from the council's decision (21 Mar 2023) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer)
Council registerSite report

Proposal

New single storey rear extension with roof light. New high level ground floor window to existing side elevation and all associated site works.

Status
Final Grant
Decision
Grant permission on 21 Mar 2023
Final grant
3 May 2023
Floor area
6 m²
Site (from polygon)
231 m²
Location precision
site (coords_polygon)

Timeline

  • 2 Feb 2023
    New application
    Observation window closed 9 Mar 2023
  • 21 Mar 2023
    Decision
    Appeal window closed 18 Apr 2023

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Appeal

Not appealed.

Commencement

  • Opt out commencement notice CN0118343SD
    12 Aug 202412 Orlagh Park, Knockylon, South Dublin, D16 C9E5matched 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

No OPW flood extent nearby.

  • NIAH-recorded building · 2
    Scholarstown House; Willow House
  • Radon risk area · 1
    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 97055). 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/63762.

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