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66, Portland Place, W1B 1AD

25/05533/ADLBCAll OtherApproved
Discharge / amendments

Approved on 22 August 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

Details of new windows including new fire-fighting core windows or adjusted ceilings and method of installation of services and related fixtures, including any fire safety work pursuant to Conditions 7 (Parts 3 and 15) and 8 of Listed Building Consent dated 11 June 2025 (RN25/01205/LBC)

Submitted
7 August 2025
  1. Received7 Aug
  2. Validated
  3. Consult.
  4. Target
  5. Decided22 Aug

Decided in 15 days (council typically 49)

About this application

This is a planning application for window replacement at 66, Portland Place, W1B 1AD. Westminster has handled 1,770 applications of this type. This one was decided in 15 days, 5 weeks quicker than Westminster's typical decision time. The site is in the Harley Street conservation area, with 8 listed buildings nearby. There have been 7 other applications at this address. In the past year there have been 469 applications across WEW_22. We hold 372 applications in total for the W1B postcode area.

92% of all other 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.See what's approved near your address

Application details

Postcode
W1B 1AD
Application type
All Other

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.

Planning history at this site

20 other applications at this property, newest first.

  1. 2026
    24 Jul

    Details of installation of services and related fixtures pursuant to condition 8 (partial) of listed building…

    WithdrawnListed building consent26/04967/ADLBC
  2. 2026
    22 Jun

    Removal of an existing roof lantern and infilling of the opening with a new insulated timber roof…

    ApprovedApplication26/04081/FULL
  3. 2026
    22 Jun

    Removal of an existing roof lantern and infilling of the opening with a new insulated timber roof…

    ApprovedListed building consent26/04082/LBC
  4. 2026
    10 Jun

    Details of the new lightning protection pursuant to the partial discharge of condition 7 (part 8) of listed…

    ApprovedDischarge of conditions26/03809/ADLBC
  5. 2026
    22 Apr

    Details of safe maintenance access systems pursuant to condition 16 (partial) of planning permission dated 10…

    ApprovedDischarge of conditions26/02669/ADFULL
  6. 2026
    21 Apr

    RIBA C7 Part 8

    ApprovedDischarge of conditions26/02621/ADLBC

Source: Westminster

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

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