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12 Thurloe Square, London, SW7 2TA

PP/25/06064Planning PermissionApproved
Full

Approved on 12 March 2026

Council decision: Grant Planning Permission/Consent3 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

Single storey rear closet wing extension at upper second floor level and reinstatement of front stair balustrade.

Received
6 October 2025
Ward
Brompton and Hans Town
  1. Received6 Oct
  2. Validated
  3. Consult.14 Nov
  4. Target1 Dec
  5. Decided12 Mar

Decided in 157 days (council typically 56)

About this application

This is a full planning application for an extension at 12 Thurloe Square, London, SW7 2TA. Kensington has handled 5,404 applications of this type. This one was decided in 157 days, 14 weeks longer than Kensington's typical decision time. The site is in a conservation area, with 9 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 362 applications across Brompton and Hans Town. We hold 1,522 applications in total for the SW7 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
SW7 2TA
Application type
Planning Permission
Scale / size
Small
Parish
02
District
Thurloe and Smith's Charity

Planning application dates

Validated
6 October 2025
Consultation expiry
14 November 2025
Consultation end
14 November 2025
Target decision date
1 December 2025

Planning decision

Statutory period
56 days

Additional information

Documents
22

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Thurloe/Smith's Charity
  • Listed building: Grade II: 13-33, South Terrace Sw7On or next to this site
  • Article 4 direction: Article 4 - No 100
  • 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.

Associated applications

  1. 2025
    6 Oct

    Single storey rear closet wing extension at upper second floor level and reinstatement of front stair…

    ApprovedListed building consentFiled alongsideLB/25/06065
  2. 2025
    6 Oct

    Single storey rear closet wing extension at upper second floor level and reinstatement of front stair…

    This applicationApprovedFullPP/25/06064

Source: Kensington

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

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