"City Hall is home to the Mayor of London, the London Assembly and the GLA, who in July 2002 became tenants of this striking rounded glass building on the south bank of the Thames near Tower Bridge."

— Greater London Authority (GLA)

Address:
Greater London Authority
City Hall
The Queen's Walk
London SE1 2AA

"Members of the public may visit parts of City Hall Monday to Friday from 8am to 8pm and on occasional weekends."