@NiteworksBand A little late to the party; none the less, as a west Highlander, the only 'trad' band I've ever stomached. Sorry I never got to see you live. All the best with whatever you choose to do guys. Thanks for the music.
@EsTresidder@borpin Although no PV would affect SAP it would be picked up in the EPC at completion. Regardless, retrofit wouldn't have needed SAP calculations for warrant.
PV can be exempt from warrant providing you can prove it doesn't affect the roof, ask your Structural Engineer for letter to BC