On average, listings lease in the $20's per square foot per year. The Weston submarket is going through a an increase in rates. In the last 3 months, the median rate rose $23 per sqft per year.
Compared to the rest of the Gold Coast market, the Weston submarket has lower rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 3 listings have been listed, which means listings are probably 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 960 sqft. Most properties in this region are approximately 2 floors. Most buildings in this region were built in 1999 and are Class A.