Compare House Extension & Renovation Costs

The Home Extension & Renovation Cost index

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Projects making up the HERC Index

The HERC Index is made up of a ‘basket’ of 6 different home addition projects, representing a range of sizes, materials and locations.

For detailed information about an individual project, including specifications and pricing please click on the project image below.

Brick home
(North Shore)

Brick Semi
(Eastern Suburbs)

Weatherboard home
(Western Suburbs)

Brick Semi
(Eastern Suburbs)

Brick/Rendered home
(Northern Districts)

Californian Bungalow
(North Shore)