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17 Grosvenor Crescent London SW1X 7EE

26/03744/FULLFull Planning Permission ApplicationApproved
Full

Approved on 28 September 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

Replacement of basement level door with bullet resistant door and transom windows above; provision of removal of section of existing handrail and provision of a new gate at basement level; internal alterations including replacement of two security counters on the ground floor (FB6 and RC4 glazing, document passthroughs, and partitions); replacement of three security counters in the basement (FB6 and RC4 glazing, document pass-throughs, and partitions); replacement of an external bullet-resistant emergency door (FB6); replacement of an external bullet-resistant window (FB6) at basement level; refresh works to include paint and decorate , floor finishers and basement WC; replacement of desking and furniture; and replacement of fire door to meet current fire and building regulations. (Linked with 26/03745/LBC)

Received
8 June 2026
Ward
Knightsbridge & Belgravia
Agent
Niche Projects LTD
  1. Received8 Jun
  2. Validated8 Jun
  3. Consult.
  4. Target3 Aug
  5. Decided28 Sep

Decided in 112 days (council typically 49)

About this application

This is a full planning application for window replacement at 17 Grosvenor Crescent London SW1X 7EE. Westminster has handled 4,484 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.

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
SW1X 7EE
Application type
Full Planning Permission Application
Scale / size
Small

Planning application dates

Date validated
8 June 2026
Target decision date
3 August 2026

Applicant and agent

Agent
Niche Projects LTD
Agent address
NicheProjects LTD Unit B1 Greenland Place London SE8 5ER GB

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-14862434
Comments
0
Documents
8

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

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. 2026
    8 Jun

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

    This applicationApprovedFull26/03744/FULL
  2. 2026
    8 Jun

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

    ApprovedListed building consentPart of26/03745/LBC

Source: Westminster

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

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