Compare House Extension & Renovation Costs

The Home Extension & Renovation Cost index

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HERC Index

Source: Cape Cod Australia

September 2018

Home Extension & Renovation Cost Index

This month’s HERC Index shows that the cost of a typical first floor home addition in Sydney increased by 1.38% over the past quarter, bring the full year increase to 4.9%. Main contributors were updates to the price of timber, electrical services, and certification fees.

The below chart compares changes in home extension and renovation costs (HERC) with the recently updated September Residential Property Price Index (RPPI) for Sydney.

Renovation Costs vs. Home Prices in Sydney, NSW

Sources: (RPPI) and