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3C Motcomb Street London SW1X 8JU

26/03199/FULLFull Planning Permission ApplicationApproved
Full

Approved on 2 October 2026

4 conditions

Site boundary (council red line)

Proposal

Extension of the existing fire escape platform and replacement of the fire escape door. [Linked to 26/03200/LBC]

Received
14 May 2026
Ward
Knightsbridge & Belgravia
Agent
Moxey Associates Ltd
  1. Received14 May
  2. Validated14 May
  3. Consult.
  4. Target9 Jul
  5. Decided2 Oct

Decided in 141 days (council typically 49)

About this application

This is a full planning application for an extension at 3C Motcomb Street London SW1X 8JU. Westminster has handled 4,484 applications of this type. This one was decided in 141 days, 13 weeks longer than Westminster's typical decision time. The site is in the Belgravia conservation area, with 20 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 380 applications across Knightsbridge & Belgravia. We hold 1,288 applications in total for the SW1X postcode area.

86% of full applications at City of Westminster were approved. Across all application types, the council typically decides in about 7 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
SW1X 8JU
Application type
Full Planning Permission Application
Scale / size
Small

Planning application dates

Date validated
14 May 2026
Target decision date
9 July 2026

Applicant and agent

Agent
Moxey Associates Ltd
Agent address
22a Haven Road Poole BH13 7LP United Kingdom

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-14817489
Comments
0
Documents
10

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Belgravia
  • Listed building: Grade II: 1-8, Motcomb Street Sw1On or next to this site · +2 more
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (21)

flood storage areas, tree preservation orders, 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
    14 May

    Extension of the existing fire escape platform and replacement of the fire escape door. [Linked to…

    This applicationApprovedFull26/03199/FULL
  2. 2026
    14 May

    Extension of the existing fire escape platform and replacement of fire escape door at rear fourth floor…

    ApprovedListed building consentPart of26/03200/LBC

Source: Westminster

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

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