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Flat B, 20 Tadema Road, London, SW10 0NX

CL/26/01531Certificates Lawful Existing Use or Dev.Approved
Lawful development certificate

Approved on 28 May 2026

Council decision: Grant Planning Permission/Consent

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Replacement of 1no dormer window at front elevation (Certificate of Lawful Existing Use/Development).

Received
9 February 2026
Ward
Chelsea Riverside
  1. Received9 Feb
  2. Validated
  3. Consult.8 May
  4. Target24 Apr
  5. Decided28 May

Decided in 108 days (council typically 56)

About this application

This is an application to amend a permission at Flat B, 20 Tadema Road, London, SW10 0NX. Kensington has handled 290 applications of this type. This one was decided in 108 days, 7 weeks longer than Kensington's typical decision time. The site is in a conservation area. There are no previous applications recorded at this address. In the past year there have been 101 applications across Chelsea Riverside. We hold 779 applications in total for the SW10 postcode area.

86% of amendment applications at Royal Borough of Kensington and Chelsea 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
SW10 0NX
Application type
Certificates Lawful Existing Use or Dev.
Scale / size
Medium
Parish
04
District
Lots Village

Planning application dates

Validated
9 February 2026
Consultation expiry
8 May 2026
Consultation end
8 May 2026
Target decision date
24 April 2026
Committee meeting
26 May 2026

Planning decision

Statutory period
74 days

Additional information

Documents
11

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 3: High probability (rivers and sea)Part of the site
  • Conservation area: Lots Village
  • Article 4 direction: Article 4 - No 100
  • Tree Preservation OrderCovers the site
Also checked, none recorded (21)

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, 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: Kensington

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

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