Stevenage were probably the happier team, although they rarely threatened to make it three points as the home side had cause to rue missed first-half chances.
Westley said: "A nil against score always takes a lot of hard work. It's about putting in blocks and tackles and getting your organisation right.
"There was a lot of work involved. We had a moment or two, and I didn't feel we were in any serious danger although anything can happen.
"That's three wins and three draws and twelve points from six games and I would put my money on that.
"I don't think we were nervous at all. The conditions were difficult and it was difficult to put a foot on the ball and pass it because it was windy and bobbly. We had to by-pass midfield a little bit and both sides played in a similar way.
"On these types of surfaces at this time of year you have to earn your clean sheets. When you have players of the quality of (Sam) Byrne, (Lee) Miller and (David) Amoo against you then you have to work hard for a clean sheet."