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12 Kensington Square, LONDON, W8 5HE

CON/26/00545All OtherApproved
Discharge / amendments

Approved on 10 June 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 3a (Glazing of rear LGF infill extension) attached to Listed Building consent Ref. LB/23/03486 dated 08th August 2023 (Extensions to existing building including basement extension under part of rear garden area with roof lights, light well and glazed infill extension and other internal and external alterations).

Submitted
16 December 2025
  1. Received16 Dec
  2. Validated
  3. Consult.
  4. Target
  5. Decided10 Jun

Decided in 176 days (council typically 56)

About this application

This is a planning application for an extension at 12 Kensington Square, LONDON, W8 5HE. Kensington has handled 1,474 applications of this type. This one was decided in 176 days, 17 weeks longer than Kensington's typical decision time. The site is in the Kensington Square conservation area, with 17 listed buildings nearby. There have been 6 other applications at this address. In the past year there have been 215 applications across Queen's Gate. We hold 2,954 applications in total for the W8 postcode area.

95% of all other 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
W8 5HE
Application type
All Other

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Kensington Square
  • Listed building: Grade II: 11 and 12, Kensington Square W8On or next to this site · +2 more
  • 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
    22 Dec

    Details required by Condition 4A (glazing of rear LGF level infill extension) attached to planning permission…

    ApprovedDischarge of conditionsFiled alongsideCON/26/00741
  2. 2025
    16 Dec

    Details required by Condition 3a (Glazing of rear LGF infill extension) attached to Listed Building consent…

    This applicationApprovedDischarge of conditionsCON/26/00545

Planning history at this site

16 other applications at this property, newest first.

  1. 2026
    11 Sep

    Variation of condition 2 (approved drawings) of planning permission PP/23/03485

    RefusedVariation of conditions (s73)PP/26/04819
  2. 2026
    11 Sep

    Variation of Condition 4 (Submission of details) of planning permission PP/23/03485

    RefusedVariation of conditions (s73)PP/26/04827
  3. 2026
    11 Sep

    Variation of condition 2 (approved drawings) of listed building consent LB/23/03486

    RefusedVariation of conditions (s73)LB/26/04820
  4. 2026
    11 Sep

    Variation of Condition 3 (Submission of details) of listed building consent LB/23/03486

    RefusedVariation of conditions (s73)LB/26/04828
  5. 2026
    26 Jun

    ***Withdrawn by applicant*** Variation of condition 2 (approved drawings) of planning permission PP/23/03485

    WithdrawnVariation of conditions (s73)PP/26/03430
  6. 2026
    26 Jun

    ***Withdrawn by applicant*** Variation of condition 2 (approved drawings) of listed building consent…

    WithdrawnVariation of conditions (s73)LB/26/03431

Source: Kensington

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

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