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120 Sloane Street, London, SW1X 9BW

PP/26/02411Planning PermissionApproved
Full

Approved on 20 July 2026

Council decision: Grant Planning Permission/Consent5 conditions

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

External alterations for use of a flat roof as a roof terrace, including installation of access door and associated works.

Received
30 April 2026
Ward
Royal Hospital
  1. Received30 Apr
  2. Validated
  3. Consult.5 Jun
  4. Target25 Jun
  5. Decided20 Jul

Decided in 81 days (council typically 56)

About this application

This is a full planning application at 120 Sloane Street, London, SW1X 9BW. Kensington has handled 5,404 applications of this type. This one was decided in 81 days, 4 weeks longer than Kensington's typical decision time. The site is in the Hans Town conservation area, with 4 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 243 applications across Royal Hospital. We hold 1,288 applications in total for the SW1X postcode area.

92% of full 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
SW1X 9BW
Application type
Planning Permission
Scale / size
Small
Parish
16
District
Hans Town

Planning application dates

Validated
30 April 2026
Consultation expiry
5 June 2026
Consultation end
5 June 2026
Target decision date
25 June 2026

Planning decision

Statutory period
56 days

Additional information

Documents
17

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Hans Town
  • Listed building: Grade II: 123, Sloane Street Sw1On 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.

© 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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