One40William stands out on Perth's skyline with its unusual lines outstanding contemporary architecture and eco-friendly design. The building comprises of three commercial office towers ranging in height from 5 to 19 storeys above a new retail, dining and entertainment experience. Four heritage buildings have been conserved and integrated into the overall development.
140 William Street is the newest Landmark in Perth CBD located above the Perth underground train station and close proximity to the Perth's northern Bus station. The property has street exposure to three major city thorough fares - Murray Street Mall, William Street and Wellington Street.
The size of Perth is approximately 4.6 square kilometres. It has 21 parks covering nearly 18.1% of total area. The population of Perth in 2016 was 11425 people. By 2021 the population was 13670 showing a population growth of 19.6% in the area during that time. The predominant age group in Perth is 20-29 years. Households in Perth are primarily childless couples and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Perth work in a professional occupation.In 2021, 32.50% of the homes in Perth were owner-occupied compared with 35.10% in 2016.
Perth has 12,107 properties. Over the last 5 years, Houses in Perth have seen a 56.10% increase in median value, while Units have seen a 60.01% increase. As at 28 February 2026:
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