[2] In 1925–26 Chichester won the Sussex Senior Challenge Cup, beating Eastbourne 5–1 in the final.
After World War II the club spent one season in the West Sussex League, winning the Division One title and Malcolm Simmonds Memorial Cup,[3] before returning the Sussex County League when it resumed in 1946.
[4] They won the Sussex County League in 1959–60, retaining their title the following season.
[4] In 1960–61 the club reached the first round of the FA Cup for the first and only time in their history, losing 11–0 at Bristol City.
[4][1] In 2000 Chichester merged with Portfield to form Chichester City United, playing at Portfield's Church Road ground whilst Oaklands Park was redeveloped.