5, Colthurst Mews, Lucan, Co. Dublin, K78 D232.
Data updated 12 Sept 2026 · register lag up to 7 days · sources & freshness
SD25B/0467W is a planning application for permission at 5, Colthurst Mews, Lucan, Co. Dublin, K78 D232., received by South Dublin County Council on 25 Jul 2025 and first seen by Planning Register on 11 Sept 2026. The application describes: Attic conversion for storage use, including dormer windows to the front and rear; construction of a single-storey pitched roof extension with front-facing gable; and a single-storey flat roof extension to the rear. The council granted permission on 12 Sept 2025. The five-week observation window closed on 29 Aug 2025. A commencement notice (CN0135628SD) was lodged on 13 Nov 2025, 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 85 other decided applications in the last five years and 6 appeals.
Proposal
Attic conversion for storage use, including dormer windows to the front and rear; construction of a single-storey pitched roof extension with front-facing gable; and a single-storey flat roof extension to the rear.
- Status
- Final Grant
- Decision
- Grant permission on 12 Sept 2025
- Final grant
- 24 Oct 2025
- Permission expires
- 23 Oct 2030
- Floor area
- 16 m²
- Site (from polygon)
- 201 m²
- Location precision
- site (coords_polygon)
Timeline
- 25 Jul 2025New applicationObservation window closed 29 Aug 2025
- 12 Sept 2025DecisionAppeal window closed 10 Oct 2025
Full planning report for 53.34771, -6.41980
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1 Where this is — preview
1 Deadlines still open
Appeal
Not appealed.
Commencement
- Short commencement notice CN0135628SD
Zoning at the site
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
- Radon risk area · 2
- Recorded monument · 4
Provenance
Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 94394). 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/68655.
Source: npad · fetched 11 Sept 2026, 18:51
| Source | Licence | Fetched | Link |
|---|---|---|---|
| npad | CC-BY-4.0 | 11 Sept 2026, 18:51 | open |