Designed by George Grey Wornum, 66 Portland Place was officially opened on 8 November 1934 by King George V. Wornum's design was part of a competition to create a new home for the Royal Institute of British Architects after outgrowing the original headquarters at 9 Conduit Street.
On 14 September 1970, 66 Portland Place was granted Grade II* status. Today, 66 Portland Place is home to RIBA's architecture galleries, the RIBA Library, a café, the RIBA Bookshop and more.
Find out more about the accessibility features currently in place when visiting 66 Portland Place, London.
See our programme of exhibitions that look closely into architectural movements, styles, and ideas from throughout history
Discover our learning programmes that provide exciting opportunities for everyone to explore, question and celebrate architecture
The RIBA holds one of the largest and most diverse collections in the world - access our digital collections or book your slot to visit in person
Architectural historian Neal Shasore introduces the architecture, influences, and innovations of the RIBA’s 1930s headquarters building, designed by George Grey Wornum.
RIBA, 66 Portland Place
London
W1B 1AD
United Kingdom
We are located a short walk away from Regent's Park, Marylebone High Street and Oxford Street
Over the festive period, RIBA at 66 Portland Place, London, will close at 5pm on Tuesday, 24 December 2024 and reopen at 8am on Thursday, 2 January 2025.
Monday to Friday 8am to 5.30pm (Tuesday open until 8pm)
Saturday 10am to 5pm
Sunday and bank holidays Closed
RIBA Library - Monday to Friday 11am to 5pm (Tuesday, 12pm to 7pm)
Please check online for occasional and seasonal closures
Architecture Gallery - from 26 February: Monday to Saturday, 10am to 5pm (Tuesday, 10am to 8pm)
RIBA Bookshop - Monday to Friday, 10am to 5pm
RIBA Cafe - Monday to Friday, 8.30am to 4pm
Hire a space at 66 Portland Place for your conference, meeting, event, wedding or dinner
