3 Mill Farm Crescent Whitton Middlesex TW4 5PF Data via plota.co.uk
Proposal
Proposed single storey rear extension, 6m in depth, 3.62m in height, 3m in height to eaves, following demolition of existing conservatory. Data via plota.co.uk
Application progress
Refused on 14 Aug 2026 · Delegated Decision · Last checked 18 Aug 2026
Site constraints 7
Checked on 11 September 2026. Historic England, the Environment Agency, Natural England 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.
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Important details
- Council
- Richmond upon Thames
- Application type
- General Permitted Development Extension
- Postcode
- TW4 5PF
- Received
- 22 Jul 2026
- Validated
- 22 Jul 2026
- Ward
- Heathfield Ward [HTF]
- Case officer
- Show
- Target decision
- 1 Sept 2026
- Decision
- GPD Extension Refused
- Decision date
- 14 Aug 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Blue Architecture Limited
How this decision compares
Decided in 23 days from validation, 25 days faster than Richmond upon Thames's median of 48 for extensions. Refused, as 13% 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
- Alt. reference
- PP-15089783
- Statutory expiry
- 14 Aug 2026
Historical activity at this location
9 nearby applications on record - archival context, not part of the live application.
Nearby activity
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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3 Mill Farm Crescent Whitton Middlesex TW4 5PF
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