On average, listings lease in the $10's per square foot per year. The New London County submarket is seeing a an increase in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 3% rise in rent.
In the last 90 days, 72 listings have been made available, 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 have to focus your search on direct office leases. There aren't many listings below 2,000 square feet available, 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 properties in this market are close to 2 floors. Most buildings in this area were built in 1965 and are Class A.