Uckfield are on course for an immediate return to regional league rugby on the back of the last remaining unbeaten record in the county.
They won 32-3 at Crowborough on Saturday to remain firmly in charge at the top of Sussex One going into the Christmas break.
Lee Evans scored two tries, the second from a clever kick by Ed Gannon, with pacey Phil Rowlands also going over.
Pete Wickham added a pushover try with Leigh Bialik kicking two penalties and three conversions.
Meanwhile, Seaford and Pulborough were brought down to earth by away defeats.
Horsham contained Seaford's pack at Coolhurst and let their young backs do the damage in a pleasing 21-5 win.
Tom Wright kicked three first-half penalties and later added the conversion to his own interception try. Graham Hoult also went over after a flowing move.
Steve Cody was driven over from a lineout by Seaford but they were guilty of too many unforced errors.
Rye picked up a 15-10 win to end Pulborough's good run while Hastings and Bexhill had a walkover against UC Chichester.
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