Kings Langley finished the South Midlands Division One season with a 2-1 defeat at London Colney.
Ricky Perks fired Colney into the lead but Lewis Toomey equalised eight minutes before half time.
Danny Fitzgerald grabbed the winner for London Colney in the 74th minute.
Champions Berkhamsted finished the campaign by thrashing Ampthill Town 7-1.
Berko conceded the opener but it was one-way traffic afterwards.
Steve Hawes, Aaron Usmani and a James Armstrong penalty put them in control at the break. A brace from Tony Burnett and efforts from Matt Wardle and Anthony Page eased them to the win.
Sun Postal Sports finished the season with a 4-1 home defeat to Hoddesdon Town.
Tom Massey's consolation after 45 minutes was the only high point of a disappointing last game for Sun Postal.
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