Government offices in London

London has 15 government offices in our directory. Most are in South Kensington and Nine Elms. Most open at 08:00 and close at 17:00 on weekdays. 15 of them link to their own website (100%).

15 places Checked October 2026

Name	Category	Address	Opening times
Department for Education	Board of education	Orchard House, 20 Great Smith St	Daily Open 24 hours
French Consulate	Foreign consulate	21 Cromwell Rd	Mon–Thu 08:45–12:45, 14:00–16:45
House of Lords	State government office	Houses of Parliament, Parliament Sq	Mon–Fri 09:30–17:00
London City Hall	Town hall	Kamal Chunchie Way	Mon–Thu 08:30–18:00
NHS England	Public health department	Wellington House, 133-155 Waterloo Rd	Mon–Fri 07:00–19:00
U.S. Embassy, London	Embassy	33 Nine Elms Ln	Mon–Fri 08:30–17:30
Ashfield House	City department of transportation	7 Beaumont Ave	Fri Open 24 hours
Environment Agency	Government office	2 Marsham St	Mon–Fri 09:30–16:30
Foreign, Commonwealth & Development Office	Government office	King Charles St	Mon–Fri 09:00–17:00
Government Legal Department	Government office	102 Petty France	Mon–Fri 08:00–18:00
His Majesty's Treasury	Tax department	1 Horse Guards Rd	Mon–Fri 08:00–20:00
HM Revenue & Customs - Stratford	Tax department	Jubilee House, 2 Farthingale Walk	Mon 08:00–20:30
HM Revenue and Customs	Tax office	100 Parliament St	Mon 08:00–16:00
Honorary Consulate of San Marino in the UK	Government office	Falcon’s Haven, 1-2 Faulkners Alley	Mon–Fri 09:00–17:00
Probation Service	Government office	The Production Centre, 191 Askew Rd	Mon–Fri 09:00–17:00