At Home Extension And Renovation, we estimate that demolition costs in Sydney start at approximately $14,000 for a complete house removal. Depending on exactly what your demolition requirements are, these estimates will vary significantly. At Home Extension And Renovation, demolition costs are included in the quotes that we provide for our home extension and renovation projects. If you choose to work with a different builder, speak with them to confirm the rates you should expect to pay for the demolition work needed on your property.