266 Howth Road, Killester, Dublin 5 , D05DW71
Data updated 12 Sept 2026 · register lag up to 7 days · sources & freshness
WEB1457/25 is a planning application for permission at 266 Howth Road, Killester, Dublin 5 , D05DW71, received by Dublin City Council on 11 Mar 2025 and first seen by Planning Register on 11 Sept 2026. The application describes: The proposed development will consist of an attic conversion with a rear dormer with a flat roof, raising the existing gable to incorporate a Dutch hip, new frosted window to the side elevation along with associated alterations to the existing roof. The council declared the application invalid on 11 Mar 2025. The five-week observation window closed on 15 Apr 2025. The site is zoned null under the Dublin City Council development plan. Within 500 m there are 134 other decided applications in the last five years and 13 appeals.
Proposal
The proposed development will consist of an attic conversion with a rear dormer with a flat roof, raising the existing gable to incorporate a Dutch hip, new frosted window to the side elevation along with associated alterations to the existing roof.
- Status
- Decision Notice Issued
- Decision
- Application declared inva on 11 Mar 2025
- Location precision
- point (coords_point)
Timeline
- 11 Mar 2025DecisionAppeal window closed 8 Apr 2025
- 11 Mar 2025New applicationObservation window closed 15 Apr 2025

Full planning report for 53.37413, -6.20031
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1 Where this is — preview
1 Deadlines still open
Appeal
Not appealed.
Commencement
No commencement notice matched to this reference.
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 · 3
Provenance
Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 80759). 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 |