Hackney Empire is a theatre on Mare Street, in Hackney in the London Borough of Hackney. Originally designed by Frank Matcham it was built in 1901 as a music hall, and expanded in 2001. Described by The Guardian as "the most beautiful theatre in London" it is an Arts Council England National Portfolio Organisation. In 2021, pop singer Leona Lewis bec…Hackney Empire is a theatre on Mare Street, in Hackney in the London Borough of Hackney. Originally designed by Frank Matcham it was built in 1901 as a music hall, and expanded in 2001. Described by The Guardian as "the most beautiful theatre in London" it is an Arts Council England National Portfolio Organisation. In 2021, pop singer Leona Lewis became the patron of the Empire.