Hot Tub Running Cost Calculator

Pick one of our hot tubs and see what it would realistically cost to run — based on our own UK running-cost data, not generic guesswork.

Choose your Steam & Oak hot tub

How often will you use it?

Season

Electricity rate (p/kWh)

UK avg ~25p (early 2026)

Add an inverter heat pump

Cuts running cost by around 70–80%. Available on 32A / hardwired models.

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Estimates are based on a modern, well-insulated tub with a quality thermal cover, maintained at ~38°C, at the electricity rate you enter (default 25p/kWh, the Ofgem unit rate in early 2026). Real costs vary with insulation, cover discipline, location and tariff. Figures follow the model in our Hot Tub Running Costs UK guide — read it for the full breakdown and money-saving tips.