Skip to content

17 Grosvenor Crescent London SW1X 7EE

26/03745/LBCHeritageApproved
Listed building consent

Approved on 28 September 2026

Site boundary (council red line)

Proposal

Replacement of basement entrance door and fanlight with bullet-resistant door and glazing; installation of a gate within the existing basement stair enclosure following the removal of a section of handrail; replacement of basement level bullet-resistant window and emergency exit door; internal alterations including replacement of security counters, glazed security screens and associated partitions at ground and basement levels; refurbishment works including alterations to finishes and sanitary accommodation; replacement of furniture and fittings; and replacement of internal fire doors. (Linked with 26/03744/FULL)

Received
8 June 2026
  1. Received8 Jun
  2. Validated8 Jun
  3. Consult.
  4. Target
  5. Decided28 Sep

Decided in 112 days (council typically 49)

About this application

This is a heritage application for window replacement at 17 Grosvenor Crescent London SW1X 7EE. Westminster has handled 2,677 applications of this type. This one was decided in 112 days, 9 weeks longer than Westminster's typical decision time. The site is in the Belgravia conservation area, with 7 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.

93% of heritage 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 7EE
Application type
Heritage
Scale / size
Small

Planning application dates

Date validated
8 June 2026

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: 16 and 17, Grosvenor Crescent Sw1On or next to this site · +1 more
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • Tree Preservation Order: Ref W48Protected tree on or next to this site · +3 more
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (20)

flood storage areas, 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
    8 Jun

    Replacement of basement level door with bullet resistant door and transom windows above; provision of removal…

    ApprovedFull Planning Permission ApplicationPart of26/03744/FULL
  2. 2026
    8 Jun

    Replacement of basement entrance door and fanlight with bullet-resistant door and glazing; installation of a…

    This applicationApprovedListed building consent26/03745/LBC

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 for window and door replacements on your street. 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