Planning Register
South Dublin County Council · SD25B/0200W · Permission

45, Orlagh Park, Knocklyon, Dublin 16, D16 T8Y1

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

Council received 10 Apr 2025We first saw it 11 Sept 2026, 18:51 (520 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/0200W is a planning application for permission at 45, Orlagh Park, Knocklyon, Dublin 16, D16 T8Y1, received by South Dublin County Council on 10 Apr 2025 and first seen by Planning Register on 11 Sept 2026. The application describes: The construction of a dormer roof on the side of the main roof, modifying the rear extension to create parapet walls and a flat roof with roof lights, and all ancillary works necessary to facilitate the development. The council granted permission on 3 Jun 2025. The five-week observation window closed on 15 May 2025. A commencement notice (CN0147284SD) was lodged on 10 Sept 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 28 other decided applications in the last five years and 2 appeals.

Appeal window closes 1 Jul 2025 closed 438 days ago
4 weeks from the council's decision (3 Jun 2025) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer)
Council registerSite report

Proposal

The construction of a dormer roof on the side of the main roof, modifying the rear extension to create parapet walls and a flat roof with roof lights, and all ancillary works necessary to facilitate the development.

Status
Final Grant
Decision
Grant permission on 3 Jun 2025
Final grant
15 Jul 2025
Permission expires
14 Jul 2030
Site (from polygon)
313 m²
Location precision
site (coords_polygon)

Timeline

  • 10 Apr 2025
    New application
    Observation window closed 15 May 2025
  • 3 Jun 2025
    Decision
    Appeal window closed 1 Jul 2025

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

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Appeal

Not appealed.

Commencement

  • Opt out commencement notice CN0147284SD
    10 Sept 202645 Páirc Orlaí, Dublin 16, Dublin, D16 T8Y1matched 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.

  • Radon risk area · 1
    About 1 in 20 homes in this area is likely to have high radon levels
  • Recorded monument · 1
    R149388

Provenance

Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 97838). 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/68059.

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