Berkhamsted sit top of the Spartan South Midlands Premier Division after they defeated Hertford Town 4-2 on Tuesday and overcame Jets 5-0 on Saturday.
Against Hertford, Berko were one goal behind at the interval but produced a ruthless display in the second period.
Josh Chamberlain grabbed the equaliser and then Ed Canham bundled the ball home to put the home side ahead.
Adiel Mannion struck the league leaders’ third and Chamberlain grabbed his second and Berko’s fourth.
Kieron Smith netted a late consolation for Hertford but the damage had already been done by the home side.
On Saturday, Berko were in full control against Oxhey and a brace from Jamie Gavin and singles from Jason Fredrick, Connor Calcutt and Aaron Usmani completed a comfortable win.
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