What are typical underfloor heating systems prices in Australia?

Electric bathroom system: $900 to $1,900. Heating mats and a programmable thermostat under new tiles in a bathroom of around 5 m², installed during a renovation. Electric living areas: $2,500 to $5,000. In-screed electric heating across around 20 m² of kitchen and living space with zoned thermostats. Hydronic whole home: $12,000 to $26,000. Hydronic pipework in the slab of a new build (~100 m² heated) with a heat pump and multiple zones.

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How much does underfloor heating cost?

Q: What affects the cost of underfloor heating systems in Australia?

System type: Electric is cheaper to install but dearer to run; hydronic is the reverse, and suits big areas. Area heated: Cost scales with m², though the thermostat and heat source costs are spread over bigger jobs. New build vs retrofit: Laying into a new slab or renovation is far cheaper than lifting finished floors. Floor covering: Tiles and stone conduct best; timber and carpet need specific systems and limit output. Heat source & controls: For hydronic, the heat pump or boiler and zone controls are a large share of the total.

Underfloor heating in Australia typically costs $70–$180 per m² installed, with an electric bathroom system around $900–$1,900 and hydronic whole-home systems $12,000 or more.

Typical price band

$2,500typical

standard job $2.5k–$5k

$900 low$26,000 high

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Real-world examples

Electric bathroom system$900 – $1,900

Electric living areas$2,500 – $5,000

Hydronic whole home$12,000 – $26,000

What affects the price

— System type. Electric is cheaper to install but dearer to run; hydronic is the reverse, and suits big areas.

— Area heated. Cost scales with m², though the thermostat and heat source costs are spread over bigger jobs.

— New build vs retrofit. Laying into a new slab or renovation is far cheaper than lifting finished floors.

— Floor covering. Tiles and stone conduct best; timber and carpet need specific systems and limit output.

— Heat source & controls. For hydronic, the heat pump or boiler and zone controls are a large share of the total.

Tips before you post

— Electric systems need a licensed electrician and hydronic systems a licensed plumber — check the right trades are on the job.

— If you're renovating a bathroom anyway, adding electric heating mats is cheap; retrofitting later costs several times more.

— Ask for a running-cost estimate, not just the install price — the gap between electric and hydronic shows up on your power bill.

Beyond the price: Adding underfloor heating: electric versus hydronic

Read the guide →

Other costs in this category

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Indicative range only, not a quote. Get quotes from local tradies for an exact price. Last updated 13 July 2026.

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