Most listings are in the $10's per square foot per year. The Manchester submarket is experiencing a a rise in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 17% rise in rent.
In the last 90 days, 1 listings have been made available, which means new listings might be going fast. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,120 sqft. Most properties in this region are close to 2 stories.