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1 Montpelier Square London SW7 1JT

26/03327/LBCApproved

Approved on 28 October 2026

6 conditions

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

Alterations to the approved basement in order to level the floorplate, involving greater excavation; relocation of kitchen extract; installation of condenser unit an associated enclosure to side lightwell; installation of a new roof hatch; internal alterations including installation of secondary glazing, replacement of cornices and removal of a fireplace place surround. (Amendments to previously approved listed building consents RN: 23/03313/LBC and 24/05696/LBC). (Linked to 26/03332/FULL)

Submitted
20 May 2026
  1. Received20 May
  2. Validated
  3. Consult.
  4. Target
  5. Decided28 Oct

Decided in 161 days

About this application

This is a planning application for window replacement at 1 Montpelier Square London SW7 1JT. Westminster has handled 27,078 applications of this type. This one was decided in 161 days, 16 weeks longer than Westminster's typical decision time. The site is in the Knightsbridge conservation area, with 20 listed buildings nearby. There have been 3 other applications at this address. We hold 1,520 applications in total for the SW7 postcode area.

Application details

Postcode
SW7 1JT

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Knightsbridge
  • Listed building: Grade II: Lamp Standard By Entrance to Number 1On or next to this site · +5 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. 2026
    20 May

    Alterations to the approved basement in order to level the floorplate, involving greater excavation…

    This applicationApprovedListed building consent26/03327/LBC
  2. 2026
    20 May

    Variation of condition 1 of planning permission dated 2 January 2024 (RN:23/03312/FULL

    ApprovedVariation of conditions (s73)Part of26/03332/FULL

Source: Westminster

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

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