How much does interlock cost in Ottawa?

Interlock in Ottawa runs roughly $20 to $50 per square foot supplied and installed. Walkways sit around $20-$30/sq ft, driveways $25-$35/sq ft, and designer patios $25-$40/sq ft. Your exact price depends on the paver, base depth, removal of the old surface, drainage, and site access – we confirm it with a free on-site measure.