Sixteen London Underground stations were given protected status in recognition of their historic and cultural value to Britain.
Oxford Circus and Covent Garden, two of the capital’s busiest Tube stations, which date back more than 100 years, were among those to receive the Grade II listing.
The certificate is given to buildings of exceptional architectural or historical interest and means no changes can be made to them without special permission.
“Tube stations are great examples of the capital’s hidden heritage,” said Britain’s Tourism and Heritage Minister John Penrose.