In the last 90 days, 11 listings have come on the market, which means spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 9% of the office spaces 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 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 sqft. Most buildings in this area are around 2 floors. Most buildings in this market were built in 1940 and are Class B.