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Thornton House 39 Thornton Road Wimbledon SW19 4NQ

25/P0440Non-Material Amendment to planning permissionApproved
Prior approval

Approved on 2 June 2025

Council decision: Grant non-material amendment to planning permissionDelegated (officer decision)

Approximate location: the centre of the postcode, not the exact property.

Proposal

APPLICATION FOR NON-MATERIAL AMENDMENTS TO APPLICATION 24/P2683 , PRIOR APPROVAL FOR THE PROPOSED CHANGE OF THE EXISTING BUILDING FROM OFFICES (CLASS E) TO RESIDENTIAL (CLASS C3) TO PROVIDE SIX RESIDENTIAL UNITS. NON-MATERIAL AMENDMENT RELATES TO AMENDMENTS TO THE INTERNAL LAYOUTS OF THE APPROVED RESIDENTIAL UNITS.

Received
14 February 2025
Decision level
Delegated (officer decision)
Ward
Hillside
  1. Received14 Feb
  2. Validated19 Mar
  3. Consult.11 Apr
  4. Target11 Apr
  5. Decided2 Jun

Decided in 75 days (council typically 56)

About this application

This is an application to amend a permission at Thornton House 39 Thornton Road Wimbledon SW19 4NQ. Merton has handled 104 applications of this type. This one was decided in 108 days, 7 weeks longer than Merton's typical decision time. The site is in the Wimbledon West conservation area, with 1 listed building nearby. There has been 1 other application at this address. In the past year there have been 158 applications across Hillside. We hold 2,558 applications in total for the SW19 postcode area.

83% of amendment applications at London Borough of Merton 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
SW19 4NQ
Application type
Non-Material Amendment to planning permission
Development type
Dwellinghouses
Scale / size
Small

Planning application dates

Date validated
19 March 2025
Consultation expiry
11 April 2025
Consultation start
19 March 2025
Consultation end
11 April 2025
Last date for comments
11 April 2025
Target decision date
11 April 2025
Application expires
14 March 2025
Permission expires
2 June 2028

Planning decision

Statutory period
23 days

Additional information

Documents
12

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • Conservation area: Wimbledon West
  • Brownfield land register: Thornton House, 17 Hillside & Faraday House, 49 Thornton Road, West Wimbledon, SW19 4NQRegister site at or near this address
  • Flood zone 1: Low probability (rivers and sea)

Not published by this council, so not checked: Article 4 directions and tree preservation orders. Ask the council if these matter.

Also checked, none recorded (20)

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 and heritage coasts.

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: Merton

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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