21, Warren Street, Portobello, Dublin 8, D08 X2F5
Data updated 12 Sept 2026 · register lag up to 7 days · sources & freshness
WEB1409/26 is a planning application for permission at 21, Warren Street, Portobello, Dublin 8, D08 X2F5, received by Dublin City Council on 24 Feb 2026 and first seen by Planning Register on 11 Sept 2026. The application describes: The proposed development consists of an extension to the rear of 21 Warren Street including a single story ground floor kitchen extension of 5.4 sqm, a first floor bathroom extension of 4.9 sqm and the installation of two associated roof lights in addition to the internal refurbishment of the existing house. The council granted permission on 17 Apr 2026. The five-week observation window closed on 31 Mar 2026. A commencement notice (CN0143409DC) was lodged on 15 Jun 2026, so works have started on site. The site is zoned null under the Dublin City Council development plan. Within 500 m there are 125 other decided applications in the last five years and 48 appeals.
Proposal
The proposed development consists of an extension to the rear of 21 Warren Street including a single story ground floor kitchen extension of 5.4 sqm, a first floor bathroom extension of 4.9 sqm and the installation of two associated roof lights in addition to the internal refurbishment of the existing house.
- Status
- Decision Notice Issued
- Decision
- Grant permission on 17 Apr 2026
- Final grant
- 26 May 2026
- Site (from polygon)
- 65 m²
- Location precision
- site (coords_polygon)
Timeline
- 24 Feb 2026New applicationObservation window closed 31 Mar 2026
- 17 Apr 2026DecisionAppeal window closed 15 May 2026

Full planning report for 53.33060, -6.26795
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1 Where this is — preview
1 Deadlines still open
Appeal
Not appealed.
Commencement
- Short commencement notice CN0143409DC
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.
- Natural Heritage Area (incl. proposed) · 1
- NIAH-recorded building · 64
- Radon risk area · 1
Provenance
Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 65328). 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 |