How Much Does a Wood Fired Hot Tub Cost to Run in the UK?

If you’re thinking about buying a wood fired hot tub, one of the first questions you’ll probably ask is simple: how much does it actually cost to run?

The good news is that wood fired hot tubs can be a very cost-effective way to enjoy an outdoor spa experience at home, especially compared with electric hot tubs that are kept warm continuously.

Instead of paying to maintain a constant temperature, a wood fired hot tub is usually heated only when you want to use it. That makes it appealing for UK homeowners who want a more natural, flexible and atmospheric way to relax outdoors.

What Affects the Running Cost of a Wood Fired Hot Tub?

The running cost of a wood fired hot tub depends on several factors, including the size of the tub, the amount of water it holds, the outside temperature, the quality of the firewood and how often you use it.

A larger tub will usually need more energy to heat than a smaller one. Cold weather can also increase heating time, especially in winter when the starting water temperature is lower.

Firewood Costs

The main running cost of a wood fired hot tub is firewood.

Most owners use kiln-dried logs or well-seasoned hardwood because they burn hotter, cleaner and more efficiently than damp or poor-quality wood.

Using dry, good-quality logs can help reduce heating time and make the whole experience more enjoyable.

Heating Time and Efficiency

Many wood fired hot tubs can reach bathing temperature in a few hours, depending on the model, weather and water volume.

To heat the tub efficiently, always use a good insulated cover while heating, keep the fire burning steadily and avoid using wet logs.

Water and Maintenance Costs

Water care is another part of ownership to consider.

Some owners drain and refill their tub regularly, while others use filtration and water treatment to keep water usable for longer between changes.

The right approach depends on how often you use the tub and the setup you choose.

Is a Wood Fired Hot Tub Cheaper Than an Electric Hot Tub?

For many people, a wood fired hot tub can be cheaper to run because it does not need to maintain heat all day and night.

Electric hot tubs are convenient, but they often rely on continuous heating and circulation. A wood fired hot tub works differently: you heat it when you want to use it, enjoy the soak, and then manage the water based on your usage.

How to Keep Running Costs Lower

• Use kiln-dried or well-seasoned wood
• Keep the insulated cover on while heating
• Place the tub in a sheltered position
• Choose the right size tub for your household
• Maintain water properly between uses

Final Thoughts

A wood fired hot tub does have running costs, but they are usually straightforward and easy to understand.

For many UK homeowners, the appeal is not just the cost. It is the experience: lighting the fire, heating the water naturally and enjoying a relaxing outdoor soak without relying on a constantly powered electric spa.

If you want a more natural, atmospheric and flexible way to enjoy your garden, a wood fired hot tub can be a brilliant investment.

Browse Layzee Living wood fired hot tubs →