Sydney, New South Wales

Insulation Prices in Sydney

6 services from $8/m²

Insulation Prices in Sydney

Prices per m² include GST. R-values: ceiling R4.0–R6.0, walls R2.0–R2.5, underfloor R2.5. NCC compliance required.

Filter by price range$8 – $58
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Insulation prices in Sydney

Insulation Tips for Sydney

Sydney terrace and semi-detached homes often need acoustic insulation between shared walls — budget accordingly.

Minimum R6.0 for ceilings is recommended in greater Sydney climate zone to meet NCC 2022 requirements.

Underfloor insulation is cost-effective for raised timber homes common in older suburbs like Balmain and Glebe.

Insulation in Sydney starts from $8/m². A full ceiling batt installation typically averages $12/m². Prices per m² include GST. R-values: ceiling R4.0–R6.0, walls R2.0–R2.5, underfloor R2.5. NCC compliance required.

Ceiling batt insulation and blown-in insulation are the most popular in Sydney. Spray foam is growing in popularity for its superior air sealing performance. Cavity wall insulation suits homes with suitable wall construction.

R-value requirements depend on your local climate zone and building code. In Sydney, a qualified insulation installer can recommend the appropriate R-value for ceiling, wall and underfloor applications based on your specific property and climate zone.

A ceiling batt job for an average home takes approximately one day. Underfloor insulation typically takes one to two days. Spray foam applications are usually completed in a single day. External wall insulation systems take three to five days including render curing time.