- What: More than 650 exemplary buildings - public, private, domestic - all sorts of buildings are open to the public, with a chance to meet the architects and designers as you tour.
- When: Annual September event (In 2008, September 20 and 21)
- Where: All over London. A program, issued in August lists all the participants.
- Admission: Free for everyone
- Website
The Capital's Largest Architectural Showcase - And It's Free
Open House London is a chance for anyone interested in architecture and design to explore some of London's architectural gems. Between 600 and 700 buildings open to the public and more than 600 architectural events are planned during the two day Open House.A program issued in mid - August (order online) lists all the properties open to the public. Once published, the program can usually be explored online through the Open House London website.

