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20 Grosvenor Gardens London SW1W 0DH

26/03563/LBCHeritageApproved
Listed building consent

Approved on 18 June 2026

Council decision: Application Permitted

Site boundary (council red line)

Proposal

Internal alterations at ground floor level, including the partial removal of a partition to form a new opening between office spaces, together with the relocation of the existing fan coil unit to accommodate the revised layout.

Received
1 June 2026
  1. Received1 Jun
  2. Validated1 Jun
  3. Consult.
  4. Target
  5. Decided18 Jun

Decided in 17 days (council typically 49)

About this application

This is a heritage application at 20 Grosvenor Gardens London SW1W 0DH. Westminster has handled 2,677 applications of this type. This one was decided in 17 days, 5 weeks quicker than Westminster's typical decision time. The site is in the Grosvenor Gardens conservation area, with 12 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 1,478 applications in total for the SW1W 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
SW1W 0DH
Application type
Heritage
Scale / size
Small

Planning application dates

Date validated
1 June 2026

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Grosvenor Gardens
  • Listed building: Grade II: 2-34, Grosvenor Gardens 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.

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