26 Strawberry Hill Road Twickenham Data via plota.co.uk
Proposal
Extension and reconfiguration, including a basement extension to accommodate a relocated staircase, single-storey side and rear ground-floor extensions, installation of new double-glazed, like-for-like timber-framed windows to new openings only, installation of new painted metal-framed glazed openings to the ground-floor rear extension, and internal refurbishment throughout. Installation of two air source heat pumps (ASHPs) within the rear garden. (Amended description) Data via plota.co.uk
Application progress
Approved on 1 May 2026 · Delegated Decision · Last checked 12 Jul 2026
Associated applications 4
Site constraints 7
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.
Building
From the energy performance certificate lodged in April 2024, the latest held for this property. The building may have changed since. View the certificate
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 4QA
- Received
- 11 Feb 2026
- Validated
- 11 Feb 2026
- Ward
- South Twickenham Ward [STT]
- Case officer
- Show
- Target decision
- 8 Apr 2026
- Decision
- Granted Permission
- Decision date
- 1 May 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Catto & Co
How this decision compares
Decided in 79 days from validation, 31 days slower than Richmond upon Thames's median of 48 for extensions. Approved, as 86% 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-14364427
- Comments by
- 13 Mar 2026
- Site or press notice
- 20 Feb 2026
- Statutory expiry
- 21 Apr 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.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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26 Strawberry Hill Road Twickenham
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