Royal Institute Of British Architects 66 Portland Place London W1B 1AD
Approved on 17 March 2026
Proposal
Details of the mew awnings to Weymouth Street pursuant to Condition 16 (Part 7) of Planning Permission dated 11 June 2025 (RN 25/01204/FULL).
- Received
- 3 March 2026
- Council
- City of Westminster
- Ward
- West End
- ReceivedReceived3 Mar
- ValidatedValidated3 Mar
- Consult.Consultation
- TargetTarget Date28 Apr
- DecidedDecided17 Mar
Decided in 14 days (council typically 49)
About this application
This is an application to discharge conditions at Royal Institute Of British Architects 66 Portland Place London W1B 1AD. Westminster has handled 3,063 applications of this type. This one was decided in 14 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 22 other applications at this address. In the past year there have been 484 applications across West End. We hold 372 applications in total for the W1B postcode area.
92% of conditions 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
- Approval of Details (Full PP)
- Scale / size
- Small
Planning application dates
- Date validated
- 3 March 2026
- Target decision date
- 28 April 2026
Applicant and agent
- Agent
- Newmark
- Agent address
- One Fitzroy 6 Mortimer London W1T 3JJ United Kingdom
Planning decision
- Statutory period
- 56 days
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Harley Street
- 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.
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Details of the new or adjusted balustrades and railings pursuant to Condition 16 (Part 6) of planning…
ApprovedDischarge of conditions26/01325/ADFULL - 20263 Mar
Details of the mew awnings to Weymouth Street pursuant to Condition 16 (Part 7) of Planning Permission dated…
This applicationApprovedDischarge of conditions26/01326/ADFULL - 202626 Jan
Details of the new external fire escape stairs, new pavement lights and supporting structure in the Weymouth…
ApprovedDischarge of conditions26/00451/ADFULL - 202521 Feb
Internal and external alterations including internal layout alterations, refurbishment and repair works…
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Internal and external alterations including internal layout alterations, refurbishment and repair works…
ApprovedListed building consentRelated25/01205/LBC
Planning history at this site
20 other applications at this property, newest first.
- 202624 Jul
Details of installation of services and related fixtures pursuant to condition 8 (partial) of listed building…
WithdrawnListed building consent26/04967/ADLBC - 202622 Jun
Removal of an existing roof lantern and infilling of the opening with a new insulated timber roof…
ApprovedApplication26/04081/FULL - 202622 Jun
Removal of an existing roof lantern and infilling of the opening with a new insulated timber roof…
ApprovedListed building consent26/04082/LBC - 202610 Jun
Details of the new lightning protection pursuant to the partial discharge of condition 7 (part 8) of listed…
ApprovedDischarge of conditions26/03809/ADLBC - 202621 Apr
RIBA C7 Part 8
ApprovedDischarge of conditions26/02621/ADLBC - 202616 Apr
Detailed drawings of the new or adjusted ceilings pursuant to condition 7 (15) of listed building dated 11th…
ApprovedDischarge of conditions26/02506/ADLBC - 202610 Apr
Detailed drawings of the proposed works to the new and adjusted ceilings in the highly significant spaces…
ApprovedDischarge of conditions26/02376/ADLBC - 20268 Apr
RIBA LBC C8
ApprovedDischarge of conditions26/01923/ADLBC - 20267 Apr
Detailed drawings to show the buildings areas of high significance and details of the position, type, and…
ApprovedDischarge of conditions26/02280/ADLBC - 202610 Mar
Details of the new internal secondary glazing pursuant to discharge of condition 7 (Part 10) of listed…
ApprovedDischarge of conditions26/01527/ADLBC - 202610 Mar
Detailed drawings to show the building's areas of high significance and details of the position, type, and…
ApprovedDischarge of conditions26/01528/ADLBC - 202610 Mar
Details of the new windows including new fire-fighting core windows pursuant to discharge of condition 7…
ApprovedDischarge of conditions26/01525/ADLBC - 202627 Feb
Details of the new awnings on Weymouth Street lightwell pursuant to Condition 7 (Part 7) of listed building…
ApprovedListed building consent26/01260/ADLBC - 202627 Feb
Details of the new external fire escape stairs pursuant to Condition 7 (Part 4) of listed building consent…
ApprovedListed building consent26/01257/ADLBC - 202627 Feb
Details of the new pavement lights and supporting structure in the Weymouth Street lightwell pursuant to…
ApprovedListed building consent26/01258/ADLBC - 202627 Feb
Details of the new or adjusted balustrades and railings pursuant to Condition 7 (Part 6) of listed building…
ApprovedListed building consent26/01259/ADLBC - 202627 Feb
Details of the new internal doors pursuant to Condition 7 (Part 14) of listed building consent dated 11 June…
ApprovedListed building consent26/01261/ADLBC - 202521 Oct
Details of a plan to show the building's areas of high significance and method of installation of services…
ApprovedListed building consent25/07253/ADLBC - 202520 Oct
Details of new external fire escape, new pavement lights and supporting structure in the Weymouth Street…
ApprovedListed building consent25/07571/ADLBC - 20257 Aug
Details of new windows including new fire-fighting core windows or adjusted ceilings and method of…
ApprovedListed building consent25/05533/ADLBC
Source: Westminster
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Around this site
Nearby applications
- Royal Institute Of British Architects 66 Portland Place London W1B 1AD26/01325/ADFULL · ConditionsApproved0.0 mi
- Royal Institute Of British Architects 66 Portland Place London W1B 1AD26/01322/ADFULL · ConditionsApproved0.0 mi
- Royal Institute Of British Architects 66 Portland Place London W1B 1AD26/04967/ADLBC · ConditionsWithdrawn0.0 mi
- Royal Institute Of British Architects 66 Portland Place London W1B 1AD24/05117/LBC · HeritageRefused0.0 mi
- Royal Institute Of British Architects 66 Portland Place London W1B 1AD26/01321/ADFULL · ConditionsApproved0.0 mi
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