Skip to content

9 Little Chester Street London SW1X 7AL

26/00916/ADFULLApproval of Details (Full PP)Approved
Discharge / amendments

Approved on 9 March 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 plans and elevations of all new external doors, windows and rooflights pursuant to condition 5 of planning permission dated 31 July 2024 (RN: 23/07308/FULL)

Received
13 February 2026
Ward
Knightsbridge & Belgravia
Agent
Studio Three Architects
  1. Received13 Feb
  2. Validated13 Feb
  3. Consult.
  4. Target10 Apr
  5. Decided9 Mar

Decided in 24 days (council typically 49)

About this application

This is an application to discharge conditions at 9 Little Chester Street London SW1X 7AL. Westminster has handled 3,063 applications of this type. This one was decided in 24 days, 4 weeks quicker than Westminster's typical decision time. The site is in the Belgravia conservation area, with 12 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 1,288 applications in total for the SW1X postcode area.

92% of conditions 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 7AL
Application type
Approval of Details (Full PP)
Scale / size
Small

Planning application dates

Date validated
13 February 2026
Target decision date
10 April 2026

Applicant and agent

Agent
Studio Three Architects
Agent address
31 Percy Street London W1T 2DD United Kingdom

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-14702884
Comments
0
Documents
5

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: 18-32, Chester Street Sw1On or next to this site
  • 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.

Source: Westminster

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

Track this application

Get email alerts when there is a planning decision or status change.

Get email alerts near SW1X

New planning applications delivered to your inbox daily.

Around this site

Discuss this application on r/PlanningPermissionUK

For applicants and trades

Planning something similar?

See what the council approved and refused on your street for the project you have in mind. Pick your home and get the evidence before you pay for drawings.

See what gets approved on your streetBuying this property? Report on this address