It's not mentioned in this article, but on the Herald:
“We’re also cutting red tape and costs on farmers building small dams by raising the height threshold for safety regulations from one to four metres,” Penk said.
Which gets a bit "Hmm.." from me. Seems like a big jump to not have safety regulations for
Sounds great, breaking up the monopoly. Of course, they products should have to meet our current regulations. If that isn't a part of this it could just lead to Leaky Homes 2: Electric Boogaloo
Yes the article doesn't seem to specify which standards exactly. But if for example we can now import building products that meet the equivalent Australian standards, I feel like that's a good move.