St Mark’s has a strong musical heritage, with connections to the Victorian opera and oratorio star Charles Santley and also Arthur Sullivan. The hymn tune Day of Rest sung to the words O Jesus I have Promised was composed by J.W. Elliott, a former organist of St Mark’s. The renowned choral musician John Williams, who became the first Master of Music at the Tower of London, was organist here in the 1950s; and Margaret Cobb, the first woman to play the organ at a Promenade Concert in the Royal Albert Hall, was also organist here.
The church has a capacity of 900 and is available for hire for concerts, productions, services and recordings and there is space for a large chamber orchestra at the front of the church. There is good access and the surrounding area is quiet and there is ample free on-street parking after 6.30pm on weekdays and all day at weekends.