But his side were under siege for much of the second half as Barnet piled forward looking for an equaliser.
Brentford defender Sam Wood cleared Paul Furlong's header off the line and Ben Hamer tipped Albert Adomah's curling drive onto the upright.
Scott said: "You can't play fantastic flowing football every week. Sometimes you have to dig in and grind out results.
"My lads have given everything and threw their bodies in where it mattered and got their reward. I have a target of points for promotion and an idea of the number of clean sheets we need but I'm not going to tell."