21, Clonmacnoise Road, Crumlin, Dublin 12, D12 W6T0
Data updated 12 Sept 2026 · register lag up to 7 days · sources & freshness
WEB2520/24 is a planning application for permission at 21, Clonmacnoise Road, Crumlin, Dublin 12, D12 W6T0, received by Dublin City Council on 15 Nov 2024 and first seen by Planning Register on 11 Sept 2026. The application describes: The Development consists of permission for single storey extension to front of existing dwelling and All Associated Site development Works. The council granted permission on 17 Jan 2025. The five-week observation window closed on 20 Dec 2024. A commencement notice (CN0134603DC) was lodged on 15 Oct 2025, so works have started on site. The site is zoned null under the Dublin City Council development plan. Within 500 m there are 115 other decided applications in the last five years and 7 appeals.
Proposal
The Development consists of permission for single storey extension to front of existing dwelling and All Associated Site development Works.
- Status
- Decision Notice Issued
- Decision
- Grant permission on 17 Jan 2025
- Final grant
- 27 Feb 2025
- Site (from polygon)
- 167 m²
- Location precision
- site (coords_polygon)
Timeline
- 15 Nov 2024New applicationObservation window closed 20 Dec 2024
- 17 Jan 2025DecisionAppeal window closed 14 Feb 2025

Full planning report for 53.32320, -6.29730
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1 Where this is — preview
1 Deadlines still open
Appeal
Not appealed.
Commencement
- Short commencement notice CN0134603DC
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
OPW flood extent nearby — flag only (licence); floodinfo.ie.
- Radon risk area · 3
Provenance
Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 68838). 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 |