Planning Register
South Dublin County Council · SD23A/0117 · Permission

2, Knocklyon Heights, Dublin 16

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

Council received 1 Dec 2023We first saw it 11 Sept 2026, 18:51 (1016 days after receipt — sources refresh weekly)
Applications only for this county. Appeals, zoning, RZLT and consultations: Dún Laoghaire-Rathdown and Fingal only for now.

SD23A/0117 is a planning application for permission at 2, Knocklyon Heights, Dublin 16, received by South Dublin County Council on 1 Dec 2023 and first seen by Planning Register on 11 Sept 2026. The application describes: Construction of a new detached two storey four bedroom dwelling house and ancillary works, with alterations and modifications to existing dual vehicular entrance ways to existing and new dwelling and other associated alterations to facilitate works including new drainage connections, new boundary walls, landscaping etc. The council granted permission on 14 Dec 2023. The five-week observation window closed on 15 Jan 2024. A commencement notice (CN0117474SD) was lodged on 22 Jul 2024, so works have started on site. The site is zoned R2 — existing residential under the South Dublin County Council development plan. The scheme is for 1 unit. Within 500 m there are 59 other decided applications in the last five years and 9 appeals.

Appeal window closes 22 Jan 2024 closed 965 days ago
4 weeks from the council's decision (14 Dec 2023) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer)
Council registerSite report

Proposal

Construction of a new detached two storey four bedroom dwelling house and ancillary works, with alterations and modifications to existing dual vehicular entrance ways to existing and new dwelling and other associated alterations to facilitate works including new drainage connections, new boundary walls, landscaping etc.

Status
Final Grant
Decision
Grant permission on 14 Dec 2023
Final grant
23 Jan 2024
Permission expires
22 Jan 2029
Units
1
Floor area
169 m²
Site (from polygon)
303 m²
Location precision
site (coords_polygon)

Timeline

  • 13 Jul 2023
    Further information requested
  • 16 Aug 2023
    Further information received
  • 1 Dec 2023
    New application
    Observation window closed 15 Jan 2024
  • 14 Dec 2023
    Decision
    Appeal window closed 22 Jan 2024

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Appeal

Not appealed.

Commencement

  • Opt out commencement notice CN0117474SD
    22 Jul 20242 Knocklyon Heights, Dublin 16, South Dublinmatched 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 · 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
  • Recorded monument · 1
    R149399

Provenance

Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 100045). 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/64252.

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