12 Kensington Square, LONDON, W8 5HE
Proposal
Details required by condition 12 (Land Contamination details- Verification report) of planning permission Ref. PP/23/03485 dated 08th August 2023 (Extensions to existing building including basement extension under part of rear garden area with roof lights, light well glazed infill extension and other internal and external alterations).
- Received
- 11 June 2025
- Decided
- 28 July 2025
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.
- ReceivedSubmitted11 Jun
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided28 Jul
Decided in 47 days (council typically 56)
This is a planning application for an extension at 12 Kensington Square, LONDON, W8 5HE. Kensington has handled 626 applications of this type and approves nearly all of them, typically deciding them in 56 days. This one was decided in 47 days, 9 days quicker than Kensington's median. The site is in a conservation area, with 17 listed buildings nearby. There have been 2 other applications at this address. In the past year there have been 83 applications across Queen's Gate. We hold 2,691 applications in total for the W8 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Kensington
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Associated applications
- 202513 Jun
Details required by condition 3d (submission of details) of listed building consent 23/03486
ApprovedDischarge of conditionsFiled alongsideCON/25/03717 - 202512 Jun
Details required by condition 4d (submission of details - basement roof-lights) of planning permission Ref…
ApprovedDischarge of conditionsFiled alongsideCON/25/03698 - 202511 Jun
Details required by condition 12 (Land Contamination details- Verification report) of planning permission…
This applicationApprovedDischarge of conditionsCON/25/03697
Planning history at this site
9 other applications at this property, newest first.
- 202611 Sep
Variation of condition 2 (approved drawings) of planning permission PP/23/03485
PendingVariation of conditions (s73)PP/26/04819 - 202611 Sep
Variation of Condition 4 (Submission of details) of planning permission PP/23/03485
PendingVariation of conditions (s73)PP/26/04827 - 202611 Sep
Variation of condition 2 (approved drawings) of listed building consent LB/23/03486
PendingVariation of conditions (s73)LB/26/04820 - 202611 Sep
Variation of Condition 3 (Submission of details) of listed building consent LB/23/03486
PendingVariation of conditions (s73)LB/26/04828 - 202531 Oct
Variation of condition 2 (compliance with approved drawings) of listed building consent 23/03486
PendingVariation of conditions (s73)LB/25/06500 - 202531 Oct
Variation of condition 2 (compliance with approved drawings) of planning permission 23/03485
RefusedVariation of conditions (s73)PP/25/06499 - 202531 Oct
Details required by condition nos. 4d (rooflight), 4f (paving), and 9 (landscaping) of planning permission…
RefusedDischarge of conditionsCON/25/06504 - 202531 Oct
Details required by condition nos. 3d (rooflight), 3f (paving), and 9 (landscaping) of listed building…
RefusedDischarge of conditionsCON/25/06505 - 202515 Jan
Details required by Condition 4a and 4d (Submission of details of: a) glazed infill extension and b) basement…
WithdrawnDischarge of conditionsCON/25/00306
Planning constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Kensington Square
- 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 2026-10-09. 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.
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