Sydney, the largest city in australia, is home to 1,168 completed high-rise buildings, the most in an australian city. although the tallest buildings in the city were traditionally predominantly concentrated in the central business district, suburbs within the sydney metropolitan area, such as chatswood and parramatta have seen a growth in the development of high rises and skyscrapers in. The earliest significant buildings in sydney were simple restrained georgian buildings that were suited to the climate (often by virtue of deep verandahs), available materials and craftsmanship, and were based in a spirit of making do and improvisation.. Ranbuild sydney are specialists in the design, supply and installation of a huge range of ranbuild brand, premium quality steel sheds and garages throughout sydney and nsw..