106 Bassett Gardens, Isleworth, TW7 4QY
Approved on 29 January 2026
Council decision: PRIOR APPROVAL IS NOT REQUIRED
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
Ground floor rear extension 5.00 metres deep, maximum height of 3.00 metres, 3.00 metres high to the eaves
- Received
- 19 December 2025
- Council
- London Borough of Hounslow
- Ward
- Osterley & Spring Grove
- ReceivedReceived19 Dec
- ValidatedValidated19 Dec
- Consult.Consultation22 Dec
- TargetTarget Date
- DecidedDecided29 Jan
Decided in 41 days (council typically 56)
About this application
This is an outline application for a rear extension at 106 Bassett Gardens, Isleworth, TW7 4QY. Hounslow has handled 1,060 applications of this type. This one was decided in 41 days, 2 weeks quicker than Hounslow's typical decision time. The site is in 1 listed building nearby. There have been 2 other applications at this address. In the past year there have been 215 applications across Osterley & Spring Grove. We hold 894 applications in total for the TW7 postcode area.
82% of outline applications at London Borough of Hounslow were approved. Across all application types, the council typically decides in about 8 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
- TW7 4QY
- Application type
- Prior Approval Larger Home Extension
- Scale / size
- Small
Planning application dates
- Date validated
- 19 December 2025
- Consultation expiry
- 22 December 2025
- Consultation start
- 22 December 2025
- Consultation end
- 22 December 2025
- Application expires
- 30 January 2026
Planning decision
- Statutory period
- 42 days
Additional information
- Documents
- 8
Site constraints
Designations that overlap or adjoin the site outline.
- Article 4 direction: Dwellinghouses (C3) to small HMOs (C4) - borough-wide Article 4 Direction
- Flood zone 1: Low probability (rivers and sea)
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
- 202629 Sep
Non-Material Amendment to add a side window on the ground floor extension pursuant to permission PA/2025/3772
PendingNon-material amendmentAmendmentP/2026/2730 - 202519 Dec
Ground floor rear extension 5.00 metres deep, maximum height of 3.00 metres, 3.00 metres high to the eaves
This applicationApprovedOutlinePA/2025/3772
Planning history at this site
2 other applications at this property, newest first.
- 202619 Jun
Certificate of lawfulness for the proposed erection of a rear roof extension with hip to gable conversion.
ApprovedOutlineP/2026/1835 - 202510 Oct
Ground floor rear extension 6.00 metres deep, maximum height 3.00 metres, 3.00 metres high to the eaves.
RefusedPrior Approval Larger Home ExtensionPA/2025/3073
Source: Hounslow
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
- 106 Bassett Gardens, Isleworth, TW7 4QYP/2026/1835 · OutlineApproved0.0 mi
- 106 Bassett Gardens, Isleworth, TW7 4QYPA/2025/3073 · OutlineRefused0.0 mi
- 18 Cranmore Avenue,Isleworth,W7 4QWP/2024/3651 · FullRefused0.1 mi
- 11 Cranmore Avenue, Isleworth, TW7 4QWP/2026/0786 · OutlineApproved0.1 mi
- 19 Penwerris Avenue, Isleworth, TW7 4QTP/2024/2055 · OutlineApproved0.1 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Avent Roofing ServicesVerifiedWestminsterRoofing9.3 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman9.6 mi
- Chiswick Maintenance LtdElectrician0.4 mi
- Bns Construction Services LtdHounslowLoft ConversionsHouse Extensions0.4 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.