99 Thames Road, Chiswick, W4 3RE
Proposal
Erection of a rear roof dormer extension (forming a ground and first floor rear lightwell undercroft) to convert the first floor flat's loft to habitable space and installation of four front roof lights to first floor flat.
- Received
- 21 July 2024
- Decided
- 5 November 2024 · REFUSED
- Council
- London Borough of Hounslow
- Ward
- Chiswick Riverside
- ReceivedSubmitted21 Jul
- ValidatedValidated13 Aug
- Consult.Consultation1 Nov
- TargetTarget Date
- DecidedDecided5 Nov
Decided in 84 days (council typically 56)
This is a full planning application for a dormer extension at 99 Thames Road,Chiswick,W4 3RE. Hounslow has handled 2,388 applications of this type and approves 77% of them, typically deciding them in 58 days. This one was decided in 107 days, 7 weeks longer than Hounslow's median. The site is in the Strand on the Green conservation area, with 9 listed buildings nearby. There are no previous applications recorded at this address. We hold 6,560 applications in total for the W4 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Hounslow
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Planning constraints
Designations at the address point. Ones next to the site may also apply.
- Flood zone 3: High probability (rivers and sea)
- Conservation area: Strand on the Green
- Article 4 direction: Change of use or development that would result in new dwellings (Class MA/ZA)+1 more
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 2026-10-09. 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.
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