357, St Margarets Road, Twickenham, TW1 1PW
Approved on 29 August 2025
Boundary © HM Land Registry, © Ordnance Survey · details
This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.
Proposal
Replacement of conservatory with thermally efficient fabric.
- Submitted
- 24 July 2025
- ReceivedSubmitted24 Jul
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided29 Aug
Decided in 36 days (council typically 49)
About this application
This is a planning application for a conservatory at 357, St Margarets Road, Twickenham, TW1 1PW. Richmond has handled 520 applications of this type. This one was decided in 36 days, 13 days quicker than Richmond's typical decision time. The site is in the St Margaret's Estate conservation area. There are no previous applications recorded at this address. We hold 1,488 applications in total for the TW1 postcode area.
100% of householder planning permission applications at London Borough of Richmond upon Thames were approved. Across all application types, the council typically decides in about 7 weeks (median).
Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street
Application details
- Postcode
- TW1 1PW
- Application type
- Householder planning permission
Site constraints
Designations that overlap or adjoin the site outline.
- Flood zone 3: High probability (rivers and sea)Part of the site
- Conservation area: St Margaret's Estate
Not published by this council, so not checked: Article 4 directions. Ask the council if these matter.
Possibly incomplete for this council: tree preservation orders.
Also checked, none recorded (21)
flood storage areas, listed buildings, 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 2026-11-03. 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.
Planning history at this site
1 other application at this property, newest first.
Source: Richmond
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Around this site
Nearby applications
- 357 St Margarets Road Twickenham TW1 1PWPA25/3798 · TreesApproved0.0 mi
- 6, Corsellis Square, Twickenham, TW1 1QTPA26/2591 · TreesApproved0.0 mi
- 41 Haliburton Road Twickenham TW1 1PDPA26/0629 · FullApproved0.1 mi
- 3 Heron Road Twickenham TW1 1PQ24/2514/HOT · FullApproved0.1 mi
- 395 St Margarets Road Twickenham Isleworth TW7 7BZ23/3041/HOT · FullRefused0.1 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering8.5 mi
- Avent Roofing ServicesVerifiedWestminsterRoofing8.5 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman8.9 mi
- Bello Electrics LTDVerifiedElectrician9.0 mi
Planning something similar?
See what the council approved and refused for single-storey rear extensions on your street. Pick your home and get the evidence before you pay for drawings.