Install a dog door in a double brick wall

Paul requested 3 quotes from Builders in Freshwater

need to cut a hole in the wall and install a small door (50cm high by 25cm wide) in a laundry in harboard on the northern beaches

Extend family room and convert existing carport into a garage
we would like to extend our family room by about 2 or 3 metres (only one side...

Repair/replace subsiding piers
Piers under house have sunk, possibly due to cracked pipe under bathroom.

Supply and install of bifold and related building works
Remove old windows, enlarge opening, install lintel, supply and install...