21 Columbia Avenue Whitstable Kent CT5 4EH
Proposal
Single-storey side extension together with single-storey outbuilding for use as ancillary accommodation.
- Received
- 7 September 2026
- Target decision date
- 2 November 2026
- Council
- Canterbury City Council
- Ward
- Seasalter
- ReceivedSubmitted7 Sep
- ValidatedValidated7 Sep
- Consult.Consultation
- TargetTarget Date2 Nov
- DecidedDecided
This is a planning application for a single storey side extension at 21 Columbia Avenue Whitstable Kent CT5 4EH. Canterbury has handled 5,955 applications of this type and approves nearly all of them, typically deciding them in 53 days. It was submitted on 7 September 2026 and is still awaiting a decision. There are no previous applications recorded at this address. In the past year there have been 95 applications across Seasalter. We hold 809 applications in total for the CT5 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Canterbury
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Planning constraints
Designations that overlap or adjoin the site outline.
- Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (24)
flood storage areas, conservation areas, listed buildings, Article 4 directions, tree preservation orders, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.
A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.
Data © Crown copyright and others · sources and licences
Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.
© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-10-09. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.
© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.
© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.
Contains Ordnance Survey data © Crown copyright and database right 2026.
Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.
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