At the Docks
Open House 2026: City Hall Tours
Step into City Hall and experience a building shaped by inclusive principles, forward‑thinking design and a vision for a more sustainable future.
Once known as the Crystal, this landmark now serves as the home of the Mayor of London and the London Assembly, celebrated for its pioneering environmental credentials and thoughtful refurbishment.
Explore its light‑filled spaces, visit the chamber and discover how the GLA's move to the Royal Docks is supporting the wider regeneration of the area.
The sustainable headquarters of the Mayor of London and London Assembly located in the Royal Docks, Newham. The docks are re-emerging as a commercial and cultural hub, and an exciting new waterfront.
No need to book - entry is allocated on a first come first served basis.
Make the most of your Open House Festival visit by exploring more buildings, places and projects across the Royal Docks. Explore more Open House Festival events in the Royal Docks.
For your visit
Places To Stay
Connaught House Hotel
This Grade II-listed building provides comfortable rooms and classic pub dining.
Business
ExCeL London
The international convention centre has hosted everything from Comic Con to the Olympics.
Food & Drink
Starbucks Coffee
Just off the walkway linking Custom House DLR with the ExCeL, this branch is a favourite quiet spot for students.