123, Collins Avenue, Dublin 9
Data updated 12 Sept 2026 · register lag up to 7 days · sources & freshness
3312/25 is a planning application for permission at 123, Collins Avenue, Dublin 9, received by Dublin City Council on 14 Jul 2025 and first seen by Planning Register on 11 Sept 2026. The application describes: The development consists of (a) The demolition of a chimney stack, external store and single storey extension at rear and garage at side. (b) The construction of an extension at rear and side of house. This extension will be partly single storey and partly two storey (c) To convert attic space and alter roof for use as ancillary domestic accommodation and storage areas with a dormer at rear (South Elevation). The existing hipped roof to be extended to form a gable roof. (d) To widen the existing vehicular access from Collins Avenue and to provide onsite parking for 2 cars (e) Internal alterations to house at ground and first floor levels and all associated site works. The council granted permission on 4 Sept 2025. The five-week observation window closed on 18 Aug 2025. A commencement notice (CN0137379DC) was lodged on 23 Jan 2026, so works have started on site. The site is zoned null under the Dublin City Council development plan. Within 500 m there are 156 other decided applications in the last five years and 5 appeals.
Proposal
The development consists of (a) The demolition of a chimney stack, external store and single storey extension at rear and garage at side. (b) The construction of an extension at rear and side of house. This extension will be partly single storey and partly two storey (c) To convert attic space and alter roof for use as ancillary domestic accommodation and storage areas with a dormer at rear (South Elevation). The existing hipped roof to be extended to form a gable roof. (d) To widen the existing vehicular access from Collins Avenue and to provide onsite parking for 2 cars (e) Internal alterations to house at ground and first floor levels and all associated site works
- Status
- Decision Notice Issued
- Decision
- Grant permission on 4 Sept 2025
- Final grant
- 10 Oct 2025
- Site (from polygon)
- 396 m²
- Location precision
- site (coords_polygon)
Timeline
- 14 Jul 2025New applicationObservation window closed 18 Aug 2025
- 4 Sept 2025DecisionAppeal window closed 2 Oct 2025
Full planning report for 53.37750, -6.22673
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1 Where this is — preview
1 Deadlines still open
Appeal
Not appealed.
Commencement
- Opt out commencement notice CN0137379DC
Zoning at the site
Zone Z1 - DEV PLAN 2022-2028
Z1: Sustainable Residential Neighbourhoods: To protect, provide and improve residential amenities.
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 · 1
Provenance
Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 80048). 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.
Source: npad · fetched 11 Sept 2026, 18:51
| Source | Licence | Fetched | Link |
|---|---|---|---|
| npad | CC-BY-4.0 | 11 Sept 2026, 18:51 | open |