26/01321/ADFULLPlanning Application 26/01321/ADFULL
Conditions application at Royal Institute Of British Architects 66 Portland Place London W1B 1AD, Westminster. View planning documents, track the decision and get email alerts on updates.
Details of the new external fire escape stairs pursuant to Condition 16 (Part 4) of planning permission dated 11 June 2025 (RN 25/01204/FULL).
26/01321/ADFULL
Royal Institute Of British Architects 66 Portland Place London W1B 1AD
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 and approves 92% of them, typically deciding them in 36 days. It was submitted on 3 March 2026 and is still awaiting a decision. 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 561 applications across West End. We hold 214 applications in total for the W1B postcode area.
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Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Westminster