Jon Guthrie scored the only goal of the game while centre-back partner Fraser Horsfall saw red late on. Here are our player ratings from a hard-earned away win...
9. Marc Leonard
His corners caused problems all game and none more so than when Appéré scrambled in the winner. His passing from midfield helped put Cobblers on the front foot at times in the second-half... 7.5 Photo: Pete Norton
10. Sam Hoskins
His partnership with Appéré is improving and the pair worked incredibly hard together to press Colchester and chase every ball that was anywhere within their vicinity. Rare quiet day in terms of shots and chances on goal... 7 Photo: Pete Norton
11. Louis Appéré
Scored one and might have ended up with three. Instinctive finish was the difference and he deserved it for a big performance up top. Ran the channels all day and never gave Colchester's defence a moment's peace. Good save and a goal-line clearance denied him a hat-trick... 8 CHRON STAR MAN Photo: Pete Norton
12. Aaron McGowan
Slotted into the back three after Magloire's injury. Brilliant last-ditch challenge thwarted Appiah as he bore down on goal... 7 Photo: Pete Norton