Quick update
I have engaged the lawyer who is going to review all the documents and come up with a strategy. We have a meeting Monday.
I have also notified the certifier…

The simple answer is that under standard lump sum contract the owner has no right to bring other conttractors to site, or the right to a variation.
If you want…

Hi Everyone,
We are starting the design phase for a thermally efficient home in Sydney. As part of doing this we are going to make the home air tight, install an…

Of course it can cost zero. The core fundamentals are easy to learn. Of course it will only get you so far without engaging an expert, but even shifting rooms…

I find this thread extremely interesting with some really thought provoking comments.
I have a bit of a passion for improving thermal efficiency, not an expert by any means, but…

FWIW in Adelaide you'd be looking at $500k+ for a certified passivhaus and that's for a very modest sized home. You will also need to engage an architect who specialises…