4A North Avenue Richmond TW9 3LZ
Approved on 28 May 2026
Council decision: Granted Permission
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
Alterations to the existing roof to form a new second-floor rear dormer extension with associated roof alterations, including replacement of the existing rear rooflight, installation of additional rooflights to the rear roof slope and a new conservation rooflight to the front roof slope, removal of the rear/outrigger chimney stack, and internal alterations to create improved and additional residential accommodation.
- Received
- 20 February 2026
- Ward
- Kew Ward [KWW]
- ReceivedReceived20 Feb
- ValidatedValidated24 Feb
- Consult.Consultation27 Mar
- TargetTarget Date21 Apr
- DecidedDecided28 May
Decided in 93 days (council typically 49)
About this application
This is a full planning application for a dormer extension at 4A North Avenue Richmond TW9 3LZ. Richmond has handled 4,063 applications of this type. This one was decided in 97 days, 7 weeks longer than Richmond's typical decision time. The site is in the Kew Gardens conservation area. There are no previous applications recorded at this address. In the past year there have been 190 applications across Kew Ward [KWW]. We hold 1,465 applications in total for the TW9 postcode area.
83% of full 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
- TW9 3LZ
- Application type
- Householder Application
- Scale / size
- Small
- District
- South
Planning application dates
- Date validated
- 24 February 2026
- Consultation expiry
- 27 March 2026
- Consultation end
- 27 March 2026
- Target decision date
- 21 April 2026
- Application expires
- 18 March 2026
Planning decision
- Statutory period
- 56 days
Publicity
- First advertised
- 6 March 2026
- Site notice start
- 6 March 2026
Additional information
- Planning Portal ID
- PP-14657459
- UPRN
- 100022312694
- Documents
- 22
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Kew Gardens
- 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 (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.
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
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For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Avent Roofing ServicesVerifiedWestminsterRoofing6.7 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman7.1 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering7.1 mi
- Bello Electrics LTDVerifiedElectrician8.1 mi
Planning something similar?
See what the council approved and refused for loft conversions and dormers on your street. Pick your home and get the evidence before you pay for drawings.