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33 Heathcroft Avenue Sunbury-on-Thames TW16 7SP

25/01210/CPDApproved
Lawful development certificate

Approved on 24 November 2025

Council decision: Grant Cert Lawful Prop Use/Dev

Site boundary (council red line)

Proposal

Certificate of lawfulness for proposed hip to gable end change to existing roof and loft conversion with rear facing dormer

Received
3 October 2025
  1. Received3 Oct
  2. Validated3 Oct
  3. Consult.
  4. Target
  5. Decided24 Nov

Decided in 52 days

About this application

This is a planning application for a loft conversion at 33 Heathcroft Avenue Sunbury-on-Thames TW16 7SP. Spelthorne has handled 2,770 applications of this type. This one was decided in 52 days, 4 days quicker than Spelthorne's typical decision time. There has been 1 other application at this address. We hold 329 applications in total for the TW16 postcode area.

Application details

Postcode
TW16 7SP

Planning application dates

Date validated
3 October 2025

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 2: Medium probability (rivers and sea)
Also checked, none recorded (24)

flood storage areas, conservation areas, listed buildings, Article 4 directions, tree preservation orders, 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: Spelthorne

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