12 Cranley Place, London, SW7 3AE
Approved on 12 May 2026
Council decision: Grant Planning Permission/Consent4 conditions
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 modern low quality infill conservatory with an extension with continuous structural glass roof and sliding glass door system to rear garden facing elevation; replacement of kitchen joinery and alterations to internal layout at rear ground floor
- Received
- 8 January 2026
- Ward
- Courtfield
- ReceivedReceived8 Jan
- ValidatedValidated30 Jan
- Consult.Consultation1 May
- TargetTarget Date27 Mar
- DecidedDecided12 May
Decided in 102 days (council typically 56)
About this application
This is a heritage application for a conservatory at 12 Cranley Place, London, SW7 3AE. Kensington has handled 1,418 applications of this type. This one was decided in 124 days, 10 weeks longer than Kensington's typical decision time. The site is in the Thurloe Estate and Smith's Charity conservation area, with 10 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 189 applications across Courtfield. We hold 1,522 applications in total for the SW7 postcode area.
93% of heritage 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 3AE
- Application type
- Listed Building Consent
- Scale / size
- Medium
- Parish
- 06
- District
- Thurloe and Smith's Charity
Planning application dates
- Date validated
- 30 January 2026
- Consultation expiry
- 1 May 2026
- Consultation end
- 1 May 2026
- Target decision date
- 27 March 2026
Planning decision
- Case officer
- Elisha Belfon Thompson
- Statutory period
- 78 days
Additional information
- Documents
- 9
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Thurloe/Smith's Charity
- 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
- 20268 Jan
Replacement of modern low quality infill conservatory with an extension with continuous structural glass roof…
This applicationApprovedHeritageLB/26/01154 - 20268 Jan
Replacement of modern low quality infill conservatory with an extension with continuous structural glass roof…
ApprovedPlanning PermissionFiled alongsidePP/26/01153
Source: Kensington
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Around this site
Nearby applications
- 12 Cranley Place, London, SW7 3AEPP/26/01153 · FullApproved0.0 mi
- Flat 6, 42 Onslow Gardens, London, SW7 3PYCON/25/03865 · ConditionsApproved0.0 mi
- Flat 3, 24 Onslow Gardens, LONDON, SW7 3ALLB/24/02728 · HeritageApproved0.1 mi
- Flat 7, 24 Onslow Gardens, LONDON, SW7 3ALLB/23/06648 · HeritageApproved0.1 mi
- 70 Onslow Gardens, London, SW7 3QBLB/25/05674 · HeritageApproved0.1 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Avent Roofing ServicesVerifiedWestminsterRoofing2.0 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman2.7 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering4.2 mi
- Orient Construction Consultancy LimitedVerifiedLondon5.9 mi
Planning something similar?
See what the council approved and refused for single-storey rear extensions on your street. Pick your home and get the evidence before you pay for drawings.