Sam Hoskins scored twice in the second-half to add to Jon Guthrie’s long-range strike just before half-time, as Town made it three wins on the spin.
It was far from a vintage performance from Jon Brady’s men, but they did enough to emerge as deserved winners.
Here are Jeremy Casey’s player ratings from Sixfields….
5. Ali Koiki
A bit of a mixed bag from Koiki. Endured really testing opening 20 minutes against the lively Abraham Odoh, but then got to grips with him to probably win the battle overall. .. 7 Photo: Pete Norton
6. Jack Sowerby
With the influential Shaun McWilliams out injured, Sowerby needed to step up and take control of central midfield, and he did. Kept things simple in possession, and did more than his fair share of the donkey work ... 7.5 Photo: Pete Norton
7. Marc Leonard
The Brighton loan man was once again an influential figure. Rarely wastes possession, the young Scot shows maturity way beyond his 20 years. Would really love to see what he could do in a more advanced position ... 7.5 Photo: Pete Norton
8. Mitch Pinnock
Still searching for his stunning form from last season, it is surely only a matter of time before everything clicks for Pinnock. Always available for team-mates, he worked tirelessly and you can just sense those special moments are round the corner ... 7 Photo: Pete Norton