Welcome to the London Architecture Diary, your essential guide to architecture exhibitions and events taking place across the city, brought to you by New London Architecture.
Venture with us into St Paul's for an exclusive tour of the cathedral's Library, Trouphy Room and a visit to the Archtitectural Archive.
Highlights include Wren's Great Model, which is the centre of a display showing the evolution of Wren's design.
This visit requires ascent and descent of 140 shallow steps and negotiation of narrow passageways and negotiation of narrow passageways with height restrictions.
This event is free for RIBA Friends. To join, please call 020 7307 3809.