21 and 23 Winchester Road, Twickenham Data via plota.co.uk
Proposal
Raising of the ridge and eaves, erection of rear dormer extensions to the rear r Data via plota.co.uk
Application progress
Refused on 26 Oct 2026 · Delegated Decision · Last checked 26 Oct 2026
Site constraints 5
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Every application in Richmond upon Thames - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Richmond upon Thames
- Application type
- Full Application
- Received
- 2 Sept 2026
- Validated
- 5 Sept 2026
- Ward
- St. Margarets & North Twickenham Ward [SMN]
- Case officer
- Show
- Target decision
- 30 Oct 2026
- Decision date
- 26 Oct 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Cameron Jones Planning
How this decision compares
Decided in 51 days from validation, about the council's usual 48 days. Refused, as 14% of extensions here are.
Plota live figures for extensions decided by Richmond upon Thames in the last twelve months, from validation. Richmond upon Thames decision record →
Consultation & key dates
- Statutory expiry
- 26 Sept 2026
Richmond upon Thames ranks #130 out of 296 councils for householder decision speed. Richmond upon Thames is also one of the strictest councils - it refuses more householder applications than almost any other, with only 82% approved vs 90% nationally.
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21 and 23 Winchester Road, Twickenham
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