Planning application
Royal Institute Of British Architects 66 Portland Place London W1B 1AD
Works: Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
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)
As published by the council, reference 25/05533/ADLBC
Application record
- Reference
- 25/05533/ADLBC
- Type
- Approval of Details (ADLBC)
- Status
- Decided
- Decision
- Application Permitted
- Received
- 7 Aug 2025
- Validated
- 7 Aug 2025
- Decided
- 22 Aug 2025
- Ward
- West End
- Decision by
- Delegated Decision
- Postcode
- W1B 1AD
Site history
Applications at this address on the Westminster register
This site has had 29 applications since 2025: 4 approved, 0 refused.
-
26/04967/ADLBC Withdrawn
Royal Institute Of British Architects 66 Portland Place London W1B 1AD
Details of installation of services and related fixtures pursuant to condition 8 (partial) of listed building consent dated 10 June 2025 (RN: 25/01205/LBC)
-
26/04081/FULL Awaiting decision
Royal Institute Of British Architects 66 Portland Place London W1B 1AD
Removal of an existing roof lantern and infilling of the opening with a new insulated timber roof construction at third floor roof level; replacement of three existing rooflights with new thermally improved rooflights at fifth floor roof level; and associated repair, waterproofing and roof works at 66 Portland Place. (Linked with 26/04082/LBC)
-
26/04082/LBC Awaiting decision
Royal Institute Of British Architects 66 Portland Place London W1B 1AD
Removal of an existing roof lantern and infilling of the opening with a new insulated timber roof construction at third floor roof level; replacement of three existing rooflights with new thermally improved rooflights at fifth floor roof level; and associated repair, waterproofing and roof works at 66 Portland Place. (Linked with 26/04081/FULL)
-
26/03809/ADLBC Decided
Royal Institute Of British Architects 66 Portland Place London W1B 1AD
Details of the new lightning protection pursuant to Condition 7 (part 8) (part) of listed building consent dated 11th June 2025 (RN:25/01205/LBC).
-
26/02669/ADFULL Awaiting decision
Royal Institute Of British Architects 66 Portland Place London W1B 1AD
Details of safe maintenance access systems pursuant to condition 16 (partial) of planning permission dated 10 June 2025 (RN: 25/01204/FULL).
-
26/02621/ADLBC Awaiting decision
Royal Institute Of British Architects 66 Portland Place London W1B 1AD
Details of safe maintenance access systems pursuant to the partial discharge of condition 7 (Part 8) of listed building consent dated 11th June 2025 (RN: 25/01205/LBC).
-
26/02506/ADLBC Awaiting decision
Royal Institute Of British Architects 66 Portland Place London W1B 1AD
Detailed drawings of the new or adjusted ceilings pursuant to condition 7 (15) of listed building dated 11th June 2025 (RN:25/01205/LBC)
-
26/02376/ADLBC Awaiting decision
Royal Institute Of British Architects 66 Portland Place London W1B 1AD
Detailed drawings of the proposed works to the new and adjusted ceilings in the highly significant spaces pursuant to the partial discharge of condition 8 of listed building consent dated 11th June 2025 (RN: 25/01205/LBC).
-
26/02297/ADFULL Awaiting decision
Royal Institute Of British Architects 66 Portland Place London W1B 1AD
Details of refuse and recycling storage pursuant to condition 11 of planning permission dated 10 June 2025 (RN: 25/01204/FULL)
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26/02280/ADLBC Awaiting decision
Royal Institute Of British Architects 66 Portland Place London W1B 1AD
Detailed drawings to show the buildings areas of high significance and details of the position, type, and method of installation of services and related fixtures. Pursuant to partially discharge elements of condition 8 of Listed Building Consent dated 11 June 2025 (RN 25/01205/LBC)
Timeline
Dates from the published record
-
7 Aug 2025
Received by Westminster
-
22 Aug 2025
Decision issued: Application Permitted
-
21 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file
922 applications on PlanIndex · across 36 councils · 97% granted
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
8 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Westminster granted permission on 22 August 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About condition discharge and variation applications
This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.
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Royal Institute Of British Architects 66 Portland Place London W1B 1AD
90% historically approved · decision due ~15 Dec
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Detailed drawings of the new or adjusted ceilings pursuant to condition 7 (15) of listed building dated 11th June 2025 (RN:25/01205/LBC)
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Detailed drawings of the a plan to show the building's areas of high significance and details of the position, type, and method of installation of services and related fixtures, including any fire safety works, in areas designated as "high significance", with particular regard to the Jarvis and Florence Hall, Main Foyer and Central Staircase pursuant to condition 8 of planning permission dated 11th June 2025 (RN:25/01205/LBC)
Awaiting decision Conditions 29 docs -
Royal Institute Of British Architects 66 Portland Place London W1B 1AD
Details of a plan to show the building's areas of high significance and method of installation of services and related fixtures, including any fire safety works, in areas designated as "high significance", with particular regard to the Jarvis and Florence Hall, Main Foyer and Central Staircase pursuant to Condition 8 (part) of the listed building consent dated 11 June 2025 (RN:25/01205/LBC).
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Royal Institute Of British Architects 66 Portland Place London W1B 1AD
87% historically approved · decision due ~28 Apr
Details of the new or adjusted balustrades and railings pursuant to Condition 16 (Part 6) of planning permission dated 11 June 2025 (RN 25/01204/FULL).
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