The club was established in 1935. After winning Division One in 1945–46, they moved up to the West Division of the Southampton League. In their first season in the league they won the West Division and the Southampton Senior Cup. Despite winning the division in 1951–52, they were not promoted, and were Division Three West runners-up the following season. before further reorganisation in 1971 led to the club becoming members of Division Four. A third-place finish in 1974–75 resulted in promotion to Division Three, but they were relegated back to Division Four after finishing bottom of the table in 1978–79. When Division Four was abolished in 1980, the club were moved up to Division Three. The 1981–82 season saw Blackfield & Langley finish as runners-up in Division Three, earning promotion to Division One. After missing out on promotion to Division One on goal difference in 1983–84, they went on to win the Division Two title in 1984–85 and were promoted to the league's top division. They went on to win Division One and the Southampton Senior Cup in 1997–98, but were unable to take promotion due to their ground not meeting the Wessex League requirements. They won the Hampshire FA's Russell Cotes Cup in 2014–15, beating
Horndean 2–0 in the final. The club were Premier Division champions in
2017–18, earning promotion to Division One South of the
Southern League. The
2018–19 season saw the club win the Division One South title, earning promotion to the Premier Division South. However, they resigned from the Southern League the
following season and returned to the Premier Division of the Wessex League. ==Ground==