 Until 2016 , West Ham were based at the Boleyn Ground , commonly known as Upton Park , in Newham , East London . The capacity of the Boleyn Ground was 35 @,@ 016 , and had been West Ham 's ground since 1904 . Prior to this , in their previous incarnation of Thames Ironworks , they played at Hermit Road in Canning Town and briefly at Browning Road in East Ham , before moving to the Memorial Grounds in Plaistow in 1897 . They retained the stadium during their transition to becoming West Ham United and were there for a further four seasons before moving to the Boleyn Ground in 1904 . 
