12, Strathearn Avenue, TW2 6JU
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
First Floor Side Extension, Conversion of Garage to Habitable Accommodation, Alterations to Roof including Increase in Ridge Height and Rear Dormer, Alterations to Elevations, And All Associated Works
- Submitted
- 7 October 2025
- ReceivedSubmitted7 Oct
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided
About this application
This is a planning application for a dormer extension at 12, Strathearn Avenue, TW2 6JU. Richmond has handled 520 applications of this type. It has been with the council since 7 October 2025 and is still awaiting a decision. There has been 1 other application at this address. We hold 1,033 applications in total for the TW2 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
- TW2 6JU
- Application type
- Householder planning permission
Site constraints
Designations that overlap or adjoin the site outline.
- Flood zone 1: Low probability (rivers and sea)
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 (22)
flood storage areas, conservation 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.
Associated applications
- 20258 Oct
First Floor Side Extension, Conversion of Garage to Habitable Accommodation, Alterations to Elevations, And…
ClosedHouseholderFiled alongsidePA25/3488 - 20257 Oct
First Floor Side Extension, Conversion of Garage to Habitable Accommodation, Alterations to Roof including…
This applicationClosedHouseholderPA25/3519
Planning history at this site
3 other applications at this property, newest first.
- 20265 May
Details pursuant to Condition C4 - Construction Management Plan, of planning per
ApprovedDischarge of conditionsPA26/1523 - 20264 Mar
Proposed garage conversion to habitable room with new flat roof over and front elevation set back.
ApprovedHouseholderPA26/0760 - 202511 Aug
12 Strathearn Avenue 2
ApprovedNon-material amendmentPA25/2779
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
- 12, Strathearn Avenue, Twickenham, TW2 6JUPA26/0760 · FullApproved0.0 mi
- 8 Bryanston Avenue Twickenham TW2 6HP24/0394/HOT · FullWithdrawn0.0 mi
- 8 Bryanston Avenue Twickenham TW2 6HP23/1056/HOT · FullApproved0.0 mi
- 12 Bryanston Avenue Twickenham TW2 6HPPA26/0960 · FullApproved0.0 mi
- 26, Strathearn Avenue, Twickenham, TW2 6JXPA26/3546 · FullAwaiting decision0.1 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering9.9 mi
- Berkshire Window CompanyWindow & Door Installer0.2 mi
- Ultralux Window Systems LtdWindow & Door Installer0.2 mi
- The Sash Window Expert LtdWindow & Door Installer0.3 mi
Planning something similar?
See what the council approved and refused for two-storey and first-floor extensions on your street. Pick your home and get the evidence before you pay for drawings.