Coach Houses Coach Homes in Ottawa Ottawa Coach House regulations: Secondary homes can be no greater than 40% of the main house size, and use no more than 40% of the yard space. Single story homes only. No rooftop patios are allowed. Water and sewage for secondary homes must be shared with the primary home. Coach homes cannot be built if the main home already has a rental unit. More........ [foogallery id="4068"]
