21 Loudwater Road Sunbury-on-Thames TW16 6DB
Approved on 18 May 2026
Council decision: Prior Approval Not RequiredDelegated (officer decision)5 conditions
Proposal
Prior Approval Notification for a single storey rear extension extending 4.8 metres beyond the rear wall of the original house, with a maximum height of 2.8 metres and a height of 2.6 metres to the eaves (as shown within the plans no. b90g/uk/1403616/1879929 and p4f/uk/1403547/1879836 Received on 10.04.2026, DWG 2, DWG 3, DWG 1, DWG 4 and DWG 5 Received on 30.03.2026).
- Received
- 23 March 2026
- Decision level
- Delegated (officer decision)
- Council
- Spelthorne Borough Council
- Ward
- Halliford And Sunbury West
- ReceivedReceived23 Mar
- ValidatedValidated10 Apr
- Consult.Consultation5 May
- TargetTarget Date22 May
- DecidedDecided18 May
Decided in 38 days (council typically 56)
About this application
This is an outline application for a single storey rear extension at 21 Loudwater Road Sunbury-on-Thames TW16 6DB. Spelthorne has handled 482 applications of this type. This one was decided in 56 days. There are no previous applications recorded at this address. In the past year there have been 19 applications across Halliford And Sunbury West. We hold 329 applications in total for the TW16 postcode area.
88% of outline applications at Spelthorne Borough Council 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
- TW16 6DB
- Application type
- PD Householder Prior Approval
- Scale / size
- Small
- Parish
- Lower Sunbury And Halliford ED
Planning application dates
- Date validated
- 10 April 2026
- Consultation expiry
- 7 May 2026
- Neighbour consultation start
- 13 April 2026
- Neighbour consultation end
- 5 May 2026
- Last date for comments
- 7 May 2026
- Target decision date
- 22 May 2026
Planning decision
- Statutory period
- 42 days
Publicity
- Last advertised
- 15 April 2026
- Advertisement expiry
- 7 May 2026
Site constraints
Designations that overlap or adjoin the site outline.
- Green belt: SpelthornePart of the site
- Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (23)
flood storage areas, conservation areas, listed buildings, Article 4 directions, tree preservation orders, 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: Spelthorne
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Around this site
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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.