On average, listings lease in the $10's per square foot per year. The Manchester submarket is seeing a a rise in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 19% increase in rent.
In the last 90 days, 8 listings have been listed, which means leases most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 3,600 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this region are around 2 floors. Most buildings in this area were built in 1950 and are Class B.