In the last 90 days, 11 listings have come on the market, which means new listings are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 9% of the available leases in the Ottawa are subleases, so you will probably have to consider a longer term lease. 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 sqft. Most properties in this market are close to 2 stories. Most buildings in this market were built in 1940 and are Class B.