On average, listings lease in the $10's per square foot per year. The New London County region is experiencing a an increase in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 3% increase in rent.
In the last 90 days, 72 listings have been listed, so you'll want to check back regularly for new listings. About 1% of the listings in the New London County are subleases, so you will probably need to consider the implications of signing a direct lease with the building. 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 1,500 sqft. Most buildings in this region are close to 2 floors. Most buildings in this area were built in 1965 and are Class A.