Hersham FC no longer had a home ground in 1945, the two clubs met again and came to an agreement to join the newly founded Corinthian League as one club. Despite a poor first season, Walton & Hersham won the league three consecutive times from 1946 to 1949. They also won the Surrey Senior Cup for the first time during the 1947–48 season with a 2–1 win against Kingstonian at Crystal Palace. In 1950, the club were elected to the Athenian League and finished runners up in their debut season while also winning their second Surrey Senior Cup. Walton & Hersham reached the FA Amateur Cup semi-finals in both the 1951–52 and 1952–53 seasons, and during this period gained a substantial following. The club reached the FA Cup First Round for the first time in 1957–58, losing 6–1 to Southampton in front of 6,000 people. They won the Surrey Senior Cup for a third time in 1960–61, and retained the trophy the following year. 1963–1994 The Athenian League expanded in 1963 and Walton & Hersham were placed in the Premier Division. A period of mid-table football followed until the 1967 appointment of Allen Batsford as manager heralded a new era of success. In 1968–69 he won the Athenian League, followed by two successive visits to the FA Cup First Round in 1969–70 and 1970–71. The Surrey Senior Cup was won again in 1970–71. Walton & Hersham were elected to the Isthmian League in 1971, and the 1972–73 season proved statistically their greatest ever. They won the Surrey Senior Cup, finished as runners-up in the league, reached the FA Cup Second Round for the first time and, most prestigiously, won the FA Amateur Cup, defeating Slough Town at Wembley Stadium. They set a unique record by winning the competition without conceding a goal. Players including Dave Bassett, Willie Smith and Roger Connell became regulars in the England amateur international team. As FA Amateur Cup Winners they were invited to compete in the 1973 Final of The Coppa Ottorino Barassi (The Barassi Cup). They played Jesolo the Italian Amamtuer Cup Winners. The Swans won both legs 4–0 at home and 2-0 Away to lift the trophy. In 1973–74, the club reached the FA Cup Second Round again, having beaten Brian Clough's Brighton & Hove Albion at Goldstone Ground 4–0. Following the defeat, Clough almost got into a fight with comedian Eric Sykes,