UK household electricity guides

Understand what is using electricity in your home.

Clear UK-focused guides, practical calculators and honest product research—starting with the appliances you already use.

Featured guide

Estimate an appliance’s running cost

Appliance running costs

Find out how much a dehumidifier costs to run per hour, day and month in the UK. Use the calculator, see wattage examples and measure real kWh use.

How this site helps

Learn what watts, kWh and unit rates mean, then measure actual appliance use safely.

Use transparent formulas and your own electricity unit rate—not unrealistic bill-saving promises.

Understand whether changing habits or buying a monitoring product is worthwhile for you.