19

CON/26/03518Approval of details reserved by a condition (discharge)Approved

Discharge / amendments

Approved on 24 August 2026

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

Details required by Condition 22 (BREEM) of planning permission 20/04812 (Change of use of basement, ground and three upper storeys from former telephone ex-change (Sui Generis) to new health and fitness club; creation of small single storey rear extension at basement level; excavation for a swimming pool at basement level; alterations to entrances and external paving; and other works and improvements to building.).

Submitted: 1 July 2026
Council: Royal Borough of Kensington and Chelsea

ReceivedSubmitted1 Jul
ValidatedValidated
Consult.Consultation
TargetTarget Date
DecidedDecided24 Aug

Decided in 54 days (council typically 56)

About this application

This is a planning application for a single storey rear extension at 19. Kensington has handled 673 applications of this type. This one was decided in 54 days. The site is in the Chelsea Park and Carlyle conservation area, with 6 listed buildings nearby. There have been 11 other applications at this address. In the past year there have been 185 applications across Stanley.

98% of approval of details reserved by a condition (discharge) 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

Application type: Approval of details reserved by a condition (discharge)

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Conservation area: Chelsea Park/Carlyle
Listed building: Grade II: 9-15, Mallord Street Sw3On or next to this site
Article 4 direction: Article 4 - No 100+1 more
Tree Preservation OrderCovers the site
Flood zone 1: Low probability (rivers and sea)

Also checked, none recorded (20)

flood storage areas, 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.

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.

Planning history at this site

17 other applications at this property, newest first.

Source: Kensington

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

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