Introduction Bilinga being a growing suburb in Sydney, it requires various commercial buildings to cater for the needs of the growing population. The area has a site has been identified as viable for the construction of commercial building that is compliant with environmental sustainability. This construction will involve the conversion of the existing building into commercial for rental purposes. The rental buildings in area are in high demand as per the survey we carried out. Before construction of this out, we carried survey-involving consideration of water consumption needed and most rental units were seen to consume more than 18 giga-liters of water per annum. These buildings also produce a lot of waste material, which needs to be managed. With this said it is obvious that pressures are likely to build and due to such pressures, businesses are being driven to show their commitment to the environment and to adopt sustainable business practices. This movement is being followed across the globe and most corporations are moving towards building corporate sustainability. Overview of the market Currently the world is facing downturn in economic development. Such a situation will have severe effects on the growth of industries besides badly affecting the GDP of countries. Crisis will also entail low production of goods and services apart from increasing unemployment. The net result will be a decrease in the profit of companies. When companies face crisis and lose their profit companies, the management tend to make misappropriations in their accounts with a view of faking them for gaining the confidence of the public and shareholders. The companies may show higher rate of profit in the balance sheet, which will be more than what actually they have earned. This is done to retain the value of shares and to maintain shareholders’ confidence. On the other hand, sometimes companies may show lower profit in their balance sheet even if they are running in better profits. The rapid change in consumer and business confidence is a significant factor. With interest rates, falling to their lowest level in 40 years sentiment has become a mix of optimism and fear. The optimism flows from the positive impact on home affordability, with the fear coming from the constant data of falling property values and the rising rate of unemployment. Discussions with agents indicate the greatest fear is unemployment. For property investors, the apprehension is that rising unemployment may begin to depress rents. Providing new hope for the industry the National Rental Affordability Scheme, plans to kick start the construction industry nationwide with the federal government introducing a new tax-free rebate for investors. According to The Housing Industry Association, new home sales across Queensland declined 28% in the December quarter from the previous year with the number of private house approvals softening further since June 2008. The residential land market is similarly fragmented with land priced under $500,000 considered the strongest performing market. This price point fits comfortably with the price bracket required for “house and land” packages. For land that is more expensive the market is different. Whilst there are buyers for land over $550,000, sales rates are slowing. The location will need to be an area of limited supply and provide the lifes