Skip to content

17, Belgrave Square, SW1X 8PG

25/02147/NMANon-Material AmendmentApproved

Approved on 30 May 2025

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

Amendments to planning permission dated 13 December 2019 (RN: 18/01324/FULL) for 'Demolition of annexe building and replacement with rear extensions to 17 Belgrave Square and excavations to create pool hall extension under garden of 17 Belgrave Square and basement beneath mews property; all in connection with the use of the mews property and 17 Belgrave Square as two single family dwelling houses'. Namely, to allow layout changes to 17 Belgrave Square and provision of cycle and waste stores.

Submitted
31 March 2025
  1. Received31 Mar
  2. Validated
  3. Consult.
  4. Target
  5. Decided30 May

Decided in 60 days (council typically 49)

About this application

This is a planning application for demolition at 17, Belgrave Square, SW1X 8PG. Westminster has handled 230 applications of this type. This one was decided in 60 days, 11 days longer than Westminster's typical decision time. The site is in the Belgravia conservation area, with 10 listed buildings nearby. There have been 7 other applications at this address. In the past year there have been 172 applications across KBW_22. We hold 1,289 applications in total for the SW1X postcode area.

87% of non-material amendment 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 8PG
Application type
Non-Material Amendment

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Belgravia
  • Listed building: Grade I: 13-23, Belgrave Square Sw1On 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. 2025
    31 Mar

    Amendments to planning permission dated 13 December 2019 (RN: 18/01324/FULL

    This applicationApprovedNon-material amendment25/02147/NMA
  2. 2025
    28 Mar

    Internal and external alterations, including alteration to conservatory, internal layout changes…

    ApprovedListed building consentFiled alongside25/02106/LBC

Planning history at this site

20 other applications at this property, newest first.

  1. 2026
    6 Aug

    Details of windows, doors, garage doors, roof lantern and new lighting and flooring in the principal rooms…

    ApprovedListed building consent26/05327/ADLBC
  2. 2026
    20 Jul

    Detailed drawings of garage doors, roof lantern and any new lighting and flooring in the principal rooms…

    ApprovedDischarge of conditions26/04850/ADLBC
  3. 2026
    16 Jul

    Detailed drawings of windows, doors, garage doors, which should appear as side hung, not up and over and roof…

    PendingDischarge of conditions26/04761/ADFULL
  4. 2026
    14 Jul

    Details of secure cycle storage and details of how waste and recycling is going to be stored on the site…

    ApprovedDischarge of conditions26/04710/ADFULL
  5. 2026
    29 May

    Detailed drawing of floor build-up of the underfloor heating system; pursuant to condition 12 of Listed…

    ApprovedListed building consent26/03541/ADLBC
  6. 2026
    15 May

    Details of the elevations and sections of the new windows showing integral glazing bars and elevations and…

    ApprovedListed building consent26/03061/ADLBC

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

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.