Brisbane Tops National Rankings for Cost-Effective Home Energy Upgrades

Published on September 25, 2024

A report revealed that Brisbane is the most affordable major Australian city for upgrading new homes to achieve a seven-star energy efficiency rating, with an average cost of just $2,972 (US$2,050). This figure is significantly lower than the national average of $4,311. In comparison, new homeowners in Western Sydney spend an average of $4,105 to reach seven-star compliance, while those in Perth spend $4,262, and homeowners in Melbourne face an average cost of $5,905. Graham Energy, a sustainable building consultancy, compiled the report titled 7.0 Star Cost Upgrade Analysis. The 2022 National Construction Code (NCC) mandates that all newly constructed houses and apartments in Australia achieve a minimum energy efficiency rating of seven stars under the Nationwide House Energy Rating Scheme (NatHERS)....