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41 Portland Place London W1B 1QH

23/06978/LBCListed Building Consent ApplicationAwaiting decision
Listed building consent
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 the air handling unit with a new air handling unit serving he Wolfson Conference Room within the existing louvred acoustic enclosure on the lower terrace and to select the replacement unit so that there is no increase in external noise levels. . One of the condensers within the existing louvred acoustic enclosure on the upper terrace is also being replaced. The services installations and AV within the existing Wolfson Conference room are being upgraded, entailing stripping out and reinstating the profiled ceiling panels and sections of the wall linings constructed in 2010.The proposed works will have no impact on the setting of the Grade II* listed building

Received
6 October 2023
Decision due
12 December 2023
Ward
Marylebone
Agent
Philip Meadowcroft Architects
  1. Received6 Oct
  2. Validated17 Oct
  3. Consult.
  4. Target12 Dec
  5. Decided

Have your say

Comment on the council's siteDocuments (21)

About this application

This is a heritage application at 41 Portland Place London W1B 1QH. Westminster has handled 2,677 applications of this type. It has been with the council since 6 October 2023 and is still awaiting a decision. The site is in the Harley Street conservation area, with 12 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 168 applications across Marylebone. We hold 372 applications in total for the W1B 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
W1B 1QH
Application type
Listed Building Consent Application
Scale / size
Small

Planning application dates

Date validated
17 October 2023

Applicant and agent

Agent
Philip Meadowcroft Architects
Architect profile
PHILIP MEADOWCROFT ARCHITECTS LIMITED
Agent address
STUDIO 1A HIGHGATE BUSINESS CENTRE 33 GREENWOOD PLACE LONDON NW5 1LB

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-12496637
Comments
0
Documents
21

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Harley Street
  • Listed building: Grade II*: 27-35 Portland PlaceOn this site · +11 more
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
  • 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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Before the decision

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This is an application for listed building consent.

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