yes
roof area is only to help calculate Rain harvesting catchment area, plus roof water volume for sizing of stormwater pipe size

Doing electrical cabling afterwards can be expensive and difficult , especially if it involves cutting into plasterboard to run wires. $60 for a double power point looks reasonable. I would…

The pricing is very reasonable IMO, you should totally get as much done as possible.

The link doesnt work. You can upload photos by clicking the camera button

I'm just looking at the basics, not how rooms will work with your lifestyle.
Basics. Orientation & Passive Design. Get it right & your home will be comfortable, with lower energy…

Here's my 2c worth...
Does the toilet need to be a separate room within the laundry? If so, I would put it at the far end where the toilet is shown,…

My bad, I looked at the first pic you provided. Your revised plan is way better, I love it. Feels more like it's all in order now. Well done.
In regards…

-Try to get your walls aligned just right of the Meals and Living area, at the moment it feels like a jaggered maze in that area
-Garage is quite tight at…

Just one thing and it seems the same in every plan.
Your ensuite is tiny. You have double shower heads and only enough room for one person in the ensuite. You…

That’s seems much better! Look forward to seeing what they com back with