Commercial spaces do not reset themselves. When a lease ends, a business relocates, or a redevelopment begins, the space has to be stripped back correctly. That is where Demolition and Defit comes in. In Perth’s commercial market, this process is less about knocking things down and more about control, compliance, and preparing a site for what comes next. This article explains how demolition and defit work together, when each is required, and why choosing the right approach protects both timelines and budgets.