The Metropolitan League ran for twenty-two seasons between 1949–50 and 1970–71. 1949–50 The league was composed of: Callender Athletic Chingford Town reserves (from the London League Premier Division) Chipperfield (from the Herts County League Division One) Dagenham Dickinsons (from the Herts County League Division One) Headington United reserves Hammersmith United Hove (from the Sussex County League) St Neots & District (from the South Midlands League Premier Division) Twickenham 1950–51 Eight new clubs joined the league in its second season; Brighton & Hove Albion 'A' Croydon Rovers Dunstable Town Hastings United reserves (from the London League Premier Division) Leatherhead (from the Surrey Senior League) Luton Town 'A' Vickers Armstrong Windsor & Eton (from the Corinthian League) 1951–52 Five new clubs joined the league in its third season; Horsham (from the Sussex County League) Millwall 'A' Skyways Tonbridge reserves (from the London League Premier Division) Tottenham Hotspur 'A' (from the Eastern Counties League, although they also continued to play in the ECL for another three seasons) 1952–53 Four new clubs joined the league for its fourth season; Haywards Heath (from the Sussex County League) Newbury Town Southwick (from the Sussex County League) West Ham United 'A' (from the Eastern Counties League, although they also continued to play in the ECL for another four season) 1953–54 Four new clubs joined the league prior to the start of the 1953–54 season; Chelsea 'A' (from the Eastern Counties League) Dartford reserves (from the London League Premier Division) Guildford City reserves (from the London League Premier Division) Gravesend & Northfleet reserves (from the London League Premier Division) 1954–55 One new club joined the league prior to the start of the 1954–55 season; Wokingham Town 1955–56 One new club joined the league prior to the start of the 1955–56 season; Bedford Town reserves (from the United Counties League Division One) 1956–57 Two new clubs joined the league prior to the start of the 1956–57 season; Crawley (from the Sussex County League Division Two) Eastbourne United (from the Sussex County League Division One) 1957–58 Two new clubs joined for the 1957–58 season; Didcot Town (from the Hellenic League Premier Division) Fulham 'A' 1958–59 One new club joined the league for the 1958–59 season; Arsenal 'A' 1959–60 One new club joined the league for the 1959–60 season; Canterbury City (from the Kent League Division One) 1960–61 Two new clubs joined the league for the 1960–61 season; Metropolitan Police (from