Hot tub maintenance cost

we've just inherited a hot tub with the house we bought and havent a clue about upkeep. What should we budget monthly for chemicals, electricity and servicing?

Asked by Kelly on 19th Jul 2026
Expert Trade Answers
"If you’ve inherited a hot tub, I’d budget around £100–£150 a month to cover electricity, chemicals, filters and putting some money aside for servicing and any repairs. Winter can be more expensive, especially if you keep it running at temperature all the time."
Answered on 30th Aug 2026 - Member since Nov 2023 - report
"Hi,

Do you know the make/brand of the hot tub at all? Servicing normally is £300 - we let you know the following: Water & Cleaning

* Drain the hot tub completely.
* Flush the pipework with a system cleaner to remove biofilm.
* Clean and descale the shell.
* Clean around the waterline and jets.
* Clean or replace the filter (if required).
* Refill with fresh water.
* Balance pH, alkalinity, and sanitizer (chlorine or bromine).

Equipment Checks

* Check pumps for leaks, noise, and correct operation.
* Inspect the heater and confirm it’s heating correctly.
* Test the circulation pump.
* Check the control panel and error codes.
* Inspect the blower (if fitted).
* Test lights and other accessories.

Plumbing & Electrical

* Inspect unions, pipework, and valves for leaks.
* Check the cabinet for signs of water damage.
* Inspect electrical connections (with power isolated where appropriate).
* Test the RCD/GFCI safety device.

Cover & Exterior

* Clean and condition the cover.
* Check the cover hinges and straps.
* Inspect the cabinet and base.

Final Testing

* Confirm water temperature.
* Test all jets and air controls.
* Check chemical readings.
* Provide a report of any faults or recommendations.

A starter kit is around £80-£100 and to top up is about £20 a month approximately!

Electricity would depend on size, if you’re keeping it up to temperature all the time, and the make/model/age of the hot tub! New ones are very well insulated and keep the costs down!"
Answered on 23rd Jul 2026 - Member since Jul 2026 - report
"Relatively inexpensive these days….all you need is -

1. Pool cleaning tablets
2. Testing strips (water)
3. Pump filters

The most expensive aspect is electricity…..but most people buy a solar panel kit with batteries for about £400 and it’s free all Summer from there.

Annual costs shouldn’t exceed £600 this way….if you opt for traditional power from the grid it would be closer to £1000"
Answered on 8th Aug 2026 - Member since Jul 2025 - report
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