Compare House Extension & Renovation Costs

The Home Extension & Renovation Cost index

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HERC Index

Source: Cape Cod Australia

March 2020

Home Extension & Renovation Cost Index

The HERC Index rose by 1.74% in the three months to March. Main contributors were:

  • Polystyrene (improved product for better bushfire protection)
  • Price increases for aluminium windows, and
  • Increased¬†engineering certification requirements.

As the comparison chart shows, both the HERC Index and Residential Property Price Index outpaced the Consumer Price Index significantly in the last half of 2019.