When the City of Sydney released its 20-year growth strategy in July, the centrepiece of the plan revolved around the creation of ‘clusters’ where massive office towers and apartment complexes could (subject to federal air-traffic control approval) reach 300 metres and beyond in height.

Sydney is not alone. Melbourne currently has seven towers of greater than 200 metres under construction, according to the Urban Melbourne website. In Brisbane, work is underway on the 274-metre Skytower housing 1,119 apartments whilst public servants have recently moved into the 267-metre 1 William Street development. With this in…