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12 Cathcart Road, London, SW10 9NN

PP/25/06731Planning PermissionApproved
Full

Approved on 15 May 2026

Council decision: Grant Planning Permission/Consent7 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

Proposed ground floor side and rear extensions and rear extension at first floor level.

Received
17 November 2025
Ward
Redcliffe
  1. Received17 Nov
  2. Validated19 Nov
  3. Consult.10 Apr
  4. Target14 Jan
  5. Decided15 May

Decided in 177 days (council typically 56)

About this application

This is a full planning application for a rear extension at 12 Cathcart Road, London, SW10 9NN. Kensington has handled 5,404 applications of this type. This one was decided in 179 days, 18 weeks longer than Kensington's typical decision time. The site is in the The Boltons conservation area. There have been 2 other applications at this address. In the past year there have been 147 applications across Redcliffe. We hold 779 applications in total for the SW10 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
SW10 9NN
Application type
Planning Permission
Scale / size
Small
Parish
15
District
Boltons

Planning application dates

Date validated
19 November 2025
Consultation expiry
12 December 2025
Consultation end
10 April 2026
Target decision date
14 January 2026

Planning decision

Case officer
Amanda Peck
Statutory period
58 days

Additional information

Documents
19

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: The Boltons
  • Article 4 direction: Article 4 - No 100
  • Tree Preservation OrderCovers the site
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (21)

flood storage areas, listed buildings, 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. 2026
    3 Jul

    Details required by condition 4 (protection of trees during construction) of planning permission PP/25/06731

    ApprovedDischarge of conditionsCON/26/03593
  2. 2025
    17 Nov

    Proposed ground floor side and rear extensions and rear extension at first floor level.

    This applicationApprovedFullPP/25/06731

Source: Kensington

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

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