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18 Cherry Tree Avenue Staines-upon-Thames TW18 1JF

25/01383/CPDCert. of Lawful Proposed Use and DevApproved
Outline / PiP

Approved on 22 December 2025

Council decision: Grant Cert Lawful Prop Use/DevDelegated (officer decision)

Site boundary (council red line)

Proposal

Certificate of Lawfulness for the proposed change of use of a residential dwelling house (C3) to a 6 person House in Multiple Occupation (C4) facilitated by a hip to gable conversion; rear dormer; garage conversion to habitable accomodation and internal and external alterations

Received
17 November 2025
Decision level
Delegated (officer decision)
Public comments
1
Ward
Staines South
  1. Received17 Nov
  2. Validated17 Nov
  3. Consult.10 Dec
  4. Target12 Jan
  5. Decided22 Dec

Decided in 35 days (council typically 56)

About this application

This is an outline application for a dormer extension at 18 Cherry Tree Avenue Staines-upon-Thames TW18 1JF. Spelthorne has handled 482 applications of this type. This one was decided in 35 days, 3 weeks quicker than Spelthorne's typical decision time. There has been 1 other application at this address. In the past year there have been 22 applications across Staines South. We hold 1,281 applications in total for the TW18 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
TW18 1JF
Application type
Cert. of Lawful Proposed Use and Dev
Scale / size
Small
Parish
Staines ED

Planning application dates

Date validated
17 November 2025
Consultation expiry
10 December 2025
Last date for comments
10 December 2025
Target decision date
12 January 2026

Applicant and agent

Agent address
Gatcombe House Copnor Road Portsmouth PO3 5EJ

Planning decision

Statutory period
56 days

Publicity

Last advertised
19 November 2025
Advertisement expiry
10 December 2025

Additional information

Planning Portal ID
PP-14491278
Documents
12
Constraints
5

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)Part of the site
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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