Planning Register
South Dublin County Council · SD25B/0421W · SDZ Application

21, Somerton Grove, Newcastle Road, Lucan, Dublin, K78 Y867

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

Council received 4 Sept 2025We first saw it 11 Sept 2026, 18:51 (373 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/0421W is a planning application for sdz application at 21, Somerton Grove, Newcastle Road, Lucan, Dublin, K78 Y867, received by South Dublin County Council on 4 Sept 2025 and first seen by Planning Register on 11 Sept 2026. The application describes: Construction of an attic conversion to provide a home office at attic level with a rear facing dormer window to the rear of the main roof and associated internal works including new stairs to attic level and internal partitions at attic level in this terraced two storey house. The council granted permission on 24 Sept 2025. The five-week observation window closed on 9 Oct 2025. A commencement notice (CN0140615SD) was lodged on 14 Apr 2026, so works have started on site. The site is zoned R3 — rural cluster under the South Dublin County Council development plan. Within 500 m there are 36 other decided applications in the last five years and 3 appeals.

Appeal window closes 22 Oct 2025 closed 325 days ago
4 weeks from the council's decision (24 Sept 2025) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer)
Council registerSite report

Proposal

Construction of an attic conversion to provide a home office at attic level with a rear facing dormer window to the rear of the main roof and associated internal works including new stairs to attic level and internal partitions at attic level in this terraced two storey house.

Status
Final Grant
Decision
Grant permission on 24 Sept 2025
Final grant
24 Sept 2025
Permission expires
23 Sept 2030
Floor area
32 m²
Site (from polygon)
137 m²
Location precision
site (coords_polygon)

Timeline

  • 4 Sept 2025
    New application
    Observation window closed 9 Oct 2025
  • 24 Sept 2025
    Decision
    Appeal window closed 22 Oct 2025

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

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Appeal

Not appealed.

Commencement

  • Opt out commencement notice CN0140615SD
    14 Apr 202621 Somerton Grove, Lucan, South Dublin, K78 Y867matched by ref_exact

Zoning at the site

R3 — Rural cluster

SDZ: To provide for strategic development in accordance with approved planning schemes

A small rural settlement where only modest infill serving local need is envisaged.

Designations within 250 m

No OPW flood extent nearby.

  • NIAH-recorded building · 2
    Somerton House; post box
  • Radon risk area · 1
    About 1 in 10 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 93441). 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/68518.

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