Passivhaus principles – brilliant air tightness result for pragmatic low cost approach!

On Friday, I carried out an intermediate air pressure test on Daisy Bank Cottage near Kendal. The self-builder, Alex Burn of 4site has taken a pragmatic approach to his build – keeping the design as simple as possible and primarily using standard materials available through local builders merchants. The building is masonry construction and Alex has applied basic Passivhaus principles…