The initiative is a simple but powerful concept: hundreds of great buildings of all types and periods open up their doors to all, completely for free.
This unique opportunity to access and understand architecture is a challenge to look at everyday buildings anew, and communicates the value of a well-designed city to everybody who uses it.
Keep checking this website for news and highlights for the 2010 event as they come up. Pre-order your essential 2010 programme here
What happened in 2009? Download a review of the event here. View visitors' photos of the event on the official Open House London flickr pool
Newsletter