The typical asking rate per listing is in the $20's per square foot per year. The Englewood region is going through a a rise in rates. In the last 3 months, the median rate rose $10 per sqft per year. That's a 63% rise in rent.
Compared to the rest of the Denver Metro market, the Englewood submarket has less expensive rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 16 listings have been made available, which means new listings most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,820 sqft. Most buildings in this region are around 3 stories. Most buildings in this area were built in 1965 and are Class B.