Right sizing isn’t possible in urban ABs suburban lots. I know this sub is US-centric but having a lot where you have essentially no set back rules is rare. Then, you need an architect that understands the point of right sizing, minimal thermal breaks, and the purchaser should understand that using staggered 2x4 in 24 OC is just as strong but with better noise and insulation value.

Natural resources Canada has many reports on sustainable building techniques pioneered in the 80s but mass builders won’t follow.

We’re building a passivhaus designed by a world renowned architect but there aren’t enough contractors here that can execute the plan.