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12 Dudley Road Ashford TW15 2LF

25/01361/CPDCert. of Lawful Proposed Use and DevApproved
Outline / PiP

Approved on 7 January 2026

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

Site boundary (council red line)

Proposal

Certificate of lawfulness for proposed change of use from a dwelling house (Use Class C3 to a small HMO (Use Class C4) and part single part two storey rear extension and rear facing dormer. Conversion of garage to habitable accommodation. (as shown on plans no'd EX-L003, P001, P002, P003, P004, E001, E002, E003, E004, S001, S002 and PR-L001, L002, P001, P002, P003, P004, E001, E002, E003, E004, S001, S002, V001 rec'd 11/11/2025.

Received
11 November 2025
Decision level
Delegated (officer decision)
Public comments
2
Ward
Ashford Town
Agent
Dimensions- Planning & Architecture
  1. Received11 Nov
  2. Validated11 Nov
  3. Consult.10 Dec
  4. Target6 Jan
  5. Decided7 Jan

Decided in 57 days (council typically 56)

About this application

This is an outline application for a two storey rear extension at 12 Dudley Road Ashford TW15 2LF. Spelthorne has handled 482 applications of this type. This one was decided in 57 days. There have been 3 other applications at this address. In the past year there have been 22 applications across Ashford Town. We hold 403 applications in total for the TW15 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.See what's approved near your address

Application details

Postcode
TW15 2LF
Application type
Cert. of Lawful Proposed Use and Dev
Scale / size
Small
Parish
Ashford ED

Planning application dates

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

Applicant and agent

Agent
Dimensions- Planning & Architecture
Agent address
Unit 7, Hawthorn Business Park 165 Granville Road London NW2 2AZ

Planning decision

Statutory period
56 days

Publicity

Last advertised
19 November 2025
Advertisement expiry
10 December 2025

Additional information

Planning Portal ID
PP-14480613
Documents
10
Constraints
5

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 1: Low 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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