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83 Chester Row London SW1W 8JL

26/05188/FULLFullApproved

Approved on 4 November 2026

9 conditions

Site boundary (council red line)

Proposal

Erection of a rear ground floor infill extension, new front ground floor railings and gate, new handrails around rear first floor roof in connection with roof terrace, enlargement of roof hatch and installation of a plant enclosure at roof level.

Received
31 July 2026
Public comments
0 · last counted 2 October 2026
  1. Received31 Jul
  2. Validated19 Aug
  3. Consult.
  4. Target
  5. Decided4 Nov

Decided in 77 days (council typically 49)

About this application

This is a full planning application for an extension at 83 Chester Row London SW1W 8JL. Westminster has handled 4,484 applications of this type. This one was decided in 77 days, 4 weeks longer than Westminster's typical decision time. The site is in the Belgravia conservation area, with 5 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 380 applications across Knightsbridge & Belgravia. We hold 1,478 applications in total for the SW1W 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
SW1W 8JL
Application type
Full
Scale / size
Small

Planning application dates

Date validated
19 August 2026

Applicant and agent

Architect profile
ELEVEN 10 ARCHITECTURE LIMITED

Additional information

Documents
26

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Belgravia
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (22)

flood storage areas, listed buildings, 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.

Source: Westminster

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

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