On average, listings lease in the $10's per square foot per year. The Bridgetown region is going through a an increase in rates. In the last 3 months, the median rate increased $19 per sqft per year.
In the last 90 days, 4 listings have been made available, which means office spaces most likley are going fast. You'll want to be prepared to make an offer immediately. About 25% of the available space in the Bridgetown are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 7,560 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this region are around 2 floors. Most buildings in this market were built in 2003 and are Class B.