How much does underfloor heating cost?
Underfloor heating in Australia typically costs $70–$180 per m² installed, with an electric bathroom system around $900–$1,800 and hydronic whole-home systems $12,000 or more.
Typical price band
$2,500typical
$900 low$25,000 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.
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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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