Down lights are completely different in the way that they light a room compared with the fittings you previously mentioned.
For down lights you would probably be looking at least 9…

It's not watts you should be thinking about but Lumens.
A LED provides around 80-100 lumens per watt and you should be aiming for around 20-50 lumens/m2.
50 if you read in…

The best advice I can give is read your contract.
Generally it is up to the entity that you signed the contract to buy the unit from is who is responsible…

You have found an error.
Whether it is relevant would depend on the original calculations, and what was constructed.
Generally the groundworkers who construct the pier would take the dimensions for the…

works really well at keeping the sun out.
Do you really need floor to ceiling windows if you want to see the sunset? . . . . you will looking at…

I would be going for Garden Lime.
Around $12 for a 10kg bag at Bunnings

There is something called a Soak Well which can be used in certain conditions.
They are very popular in WA where they work very well on sandy soils.
To find out more…

Heat pumps are better than 300% efficient depending on the model.
We only run ours for a couple of hours in the afternoon and get all the hot water we need.…

It really depends on the size of the block.
Generally for a wide block south facing is good
A block facing west can be better if all the blocks are…

Check this link for the overhanging brickwork:

About the only things I can suggest is
Keeping the afternoon sun out of the Northwest facing windows using reflective film.
Putting plenty of solar panels on what is probably a large…

Some cracking in large concrete slabs can be expected.
Follow this link for more information:

You don't say if the area is old or new.
If it is a well established area its probably likely that either; the council owned surface water pipes are either blocked…

On orientation it seems to work quite well but I would look to reduce the amount of glass facing west on the ground floor.
It will keep the living area much…

Orientation has a huge effect so a North point would help.

This is a link to one of the Melbourne Water Authorities web site about this kind of problem

When you take air out of a room it has to be replaced from somewhere.
If the bathroom window is not open the next nearest place is the probably the fan…

Size can vary depending on how it is worked out.....see the following link to see what the differences are:

I would be removing that west facing window in the master bedroom and make the north facing one bigger otherwise the room will overheat badly in the summer.
The east facing…

Most slabs would develop very fine cracks like this.
It wouldn't worry me.

How the sun affects the house is something that really affects how the house feels so it would be good if you could show North.

Warranties do vary but the following link shows a typical list of coverage.
http://anewhouse.com.au/2016/10/what-do ... ies-cover/

You can normally cut over the easement as long as any pipes still have plenty of cover (say at least 1m)
Building a retaining wall is a bit more problematic and…

Steel and wood do expand and contract at different rates so I would expect some noise at times.

I would have thought erecting prefabricated frames would be fairly limiting.
You would miss out on ,building frames from scratch, and finishing carpentry.
Having said that it does seem the way that…

There is some advice here: http://anewhouse.com.au/2012/10/if-the- ... goes-bust/

The builder pays a surveyor to certify the builders work for all his builds.
As this surveyor gets regular work from the builder who do you think he will be looking…

You may find the following link of interest Particularly the update in regards to 101 builders in Perth

The key thing is where the pipe is in the easement.
You can build up to the edge of the easement as long as the bottom of the pool is below…