Planning Register
South Dublin County Council · SD25B/0581W · Permission

77 Dargle Wood, Knocklyon, Dublin 16, D16H773

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

Council received 4 Dec 2025We first saw it 11 Sept 2026, 18:51 (282 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/0581W is a planning application for permission at 77 Dargle Wood, Knocklyon, Dublin 16, D16H773, received by South Dublin County Council on 4 Dec 2025 and first seen by Planning Register on 11 Sept 2026. The application describes: Planning Permission to demolish the existing 6sq.m. garage to the side and construct a new 51sq.m. Two Storey Granny Flat Extension with an 11sq.m. attic conversion to the side of the existing semi-detached dwelling and to include solar panels to the front a rear elevation and external insulation front and rear to the existing dwelling and to include ancillary works. The council granted permission on 16 Dec 2025. The five-week observation window closed on 19 Jan 2026. The site is zoned R2 — existing residential under the South Dublin County Council development plan. Within 500 m there are 71 other decided applications in the last five years and 4 appeals.

Appeal window closes 22 Jan 2026 closed 233 days ago
4 weeks from the council's decision (16 Dec 2025) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer)
Council registerSite report

Proposal

Planning Permission to demolish the existing 6sq.m. garage to the side and construct a new 51sq.m. Two Storey Granny Flat Extension with an 11sq.m. attic conversion to the side of the existing semi-detached dwelling and to include solar panels to the front a rear elevation and external insulation front and rear to the existing dwelling and to include ancillary works

Status
Final Grant
Decision
Grant permission on 16 Dec 2025
Final grant
5 Feb 2026
Permission expires
4 Feb 2031
Floor area
62 m²
Site (from polygon)
359 m²
Location precision
site (coords_polygon)

Timeline

  • 21 Nov 2025
    Further information requested
  • 4 Dec 2025
    Further information received
  • 4 Dec 2025
    New application
    Observation window closed 19 Jan 2026
  • 16 Dec 2025
    Decision
    Appeal window closed 22 Jan 2026

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Appeal

Not appealed.

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.

    • 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 108441). 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/69036.

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