PlanningRegister.ie
South Dublin County Council · SD25B/0500

5, Colthurst Close, Lucan, Dublin

  1. 18 Aug 2025Received
  2. 7 Oct 2025Grant permission
  3. 20 Nov 2025Final grant
  4. 17 Mar 2026Commenced
  5. 19 Nov 2030Permission expires
Applications only for this county. Appeals, zoning, RZLT and consultations: Dún Laoghaire-Rathdown and Fingal only for now.
Status
Commenced
Decision
Grant permission · 7 Oct 2025
Council
South Dublin County Council
Type
Permission
Site
188 m²

What’s proposed

The development will consist of Converting the attic space to non-habitable home use, to include a dormer in the rear roof, a new gable window and stair access from the existing upper floor landing area

SD25B/0500 is a planning application to South Dublin County Council for the development will consist of Converting the attic space to non-habitable home use, to, received on 18 Aug 2025; permission was granted on 7 Oct 2025.

Planning details

Reference
SD25B/0500
Local authority
South Dublin County Council
Status
Commenced · register status “Final Grant
Received
18 Aug 2025
Observations close
22 Sept 2025 (closed 357 days ago)
Decision due
13 Oct 2025 · decided 7 Oct 2025
Decision
Grant permission on 7 Oct 2025
Proposed development
The development will consist of Converting the attic space to non-habitable home use, to include a dormer in the rear roof, a new gable window and stair access from the existing upper floor landing area
As published by the register.
Site area
188 m² from the mapped boundary, not the council's figure
Applicant
Not published — the national feed carries no applicant name council register

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

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Full planning report for 53.34803, -6.42184

Zoning, appeals, sold prices, flood and heritage constraints — everything for this area in one PDF.

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Appeal

Not appealed.

Commencement

  • Short commencement notice CN0139523SD
    17 Mar 20265 Colthurst Close, Lucan, South Dublin, K78 PC59matched by ref_exact

Zoning at the site

M3 — Neighbourhood centre

LC: To protect, improve and provide for the future development of Local Centres

A local centre: shops, services and apartments over them, serving the surrounding housing.

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 · 1
    Kieran Brady
  • 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 · 4
    House - fortified house; Building; Building

Provenance

Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 94381). 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/68778.

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