I am planning to employ a building inspector before the handover and ask them to specifically verify this. I was told they can do it via thermal sensor.

Thanks for the replies.
Yes existing wall.
It’s a new house close to handover and builder says they are going to put it after the fact since they “forgot”…

Hi,
Can anybody shed some light on how easy/difficult is it to install R2.0 wall batts to a gyprock wall?
Do we need to rip the wall off completely or…