Most listings are in the $10's per square foot per year. The Swansea region is going through a a rise in rates. In the last 3 months, the median rate rose $20 per sqft per year.
In the last 90 days, 9 listings have come on the market, which means leases 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.
Even though the median size is 2,850 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this area are close to 1 stories. Most buildings in this region were built in 2000 and are Class B.