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.
For your visit
Attractions
City Hall
One of the world's most sustainable buildings is also a striking landmark.
Activities
London Royal Docks Open Water Swimming
Swim outside year round against the historic backdrop of Royal Victoria Dock. Safety tagging included.
Places To Stay
Aloft London ExCeL
Four-star Marriott hotel with a dockside restaurant terrace, wood-lined interiors, and a striking skyline.