Truth. When we were house hunting we literally ruled out anything built this century (actually since about the late 90's) due to shitty construction practices. We ended up actually snagging a house built in '62 - and my god, the insulation in this place. The fact it's oriented to handle Melbourne weather. The functionality, the sheer structural soundness of it! We're looking at upgrading the old ducted heating to a reverse cycle but damn, our utility bills are utter mousefarts compared to friends in comparable modern builds.