21, Cole Park Road, Twickenham, TW1 1HP Data via plota.co.uk
Proposal
Replacement of existing front dormer window and erection of front and rear dormer windows, side dormer extension, and rooflight to side roofslope, all associated with the use of the roofspace for habitable accommodation to provide a bedroom Data via plota.co.uk
Application progress
This application is under consideration - no decision has been issued yet. Plota predicts a decision between 7 Nov 2026 and 15 Nov 2026, from Richmond upon Thames's recent extensions. Comments are open until 23 Oct 2026.
Comment on this application ↗Site constraints 8
Checked on 26 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.
Sales history 1
Last sold for £2,050,000 in February 2023. Detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
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
- Householder Application
- Postcode
- TW1 1HP
- Received
- 25 Sept 2026
- Validated
- 25 Sept 2026
- Ward
- St. Margarets & North Twickenham Ward [SMN]
- Case officer
- Show
- Target decision
- 20 Nov 2026
- Applicant
- Show
- Agent
- Leigh & Glennie Ltd
Decision outlook
Day 10 of the 56-day target. Richmond upon Thames usually decides extensions by day 48.
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-15181627
- Comments by
- 23 Oct 2026
- Site or press notice
- 2 Oct 2026
- Statutory expiry
- 16 Oct 2026
Historical activity at this location
25 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.
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
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21, Cole Park Road, Twickenham, TW1 1HP
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