How much electricity does your household really use?
Estimate annual electricity usage and monthly cost by household size, home type, appliances, and work-from-home days. UK rates, standing charge, and Ofgem defaults built in. No sign-up, no postcode required.
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Electricity Cost Calculator
Get to a practical electricity bill estimate in under a minute. Start with a household template, then only adjust the parts that are actually different for you.
Free, no sign-up
Ready in about 30 seconds
1. Pick the closest householdStart with single, couple, or family.
2. Only change what is differentRate, standing charge, and extra appliances matter most.
1. Choose a household type
Tap the closest starting point.
2. Adjust usage level
Optional, only if your home is clearly below or above typical usage.
1 = very efficient, 5 = typical UK household, 10 = well above average. Good for matching the model to your actual bill.
3. Check the basics
4. Check your tariff
If you do not know your exact rate, start with the closest preset.
Unit rate
This is the usage price on your energy bill, listed in pence per kWh.
Standing charge
A fixed daily fee charged regardless of usage. Currently capped at around 61.64p/day (~£18.75/month).
Additional settings, only if the estimate still looks off
Work & Office
Work-from-home days are set above. Here you specify how many devices are actually running during the day.
Extra monitors, chargers, and longer run times add up faster than most people expect.
Kitchen & Laundry
Heating & Hot Water
Entertainment
What to do with this estimate
If your result is higher than expected, check the advanced settings. Electric heating, immersion heaters, and tumble dryers are usually the biggest levers. If you want updates when we add new calculators:
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How the estimate works
Base usage: Depends on household size and home type (lighting, standby, basic devices)
Appliance add-ons: Additive values for washer, dryer, kettle, immersion heater, home office, etc.
Month adjustment: Proportional correction if occupied less than 12 months
Range: Low and high estimates (plus/minus ~18%) account for habits, insulation, and appliance efficiency
Cost: Estimated usage times your per-kWh rate plus the daily standing charge
Reference values for UK household electricity
1 person: often about 1,500 to 3,600 kWh per year depending on home type
2 people: often about 2,400 to 5,200 kWh per year
3 people: often about 3,000 to 6,400 kWh per year
4 people: often about 3,600 to 7,600 kWh per year
5+ people: often about 4,200 to 8,700+ kWh per year
UK averages are significantly lower than US ones, as most UK homes use gas for heating and hot water. Homes with electric heating use considerably more.
Based on Ofgem typical domestic consumption values (TDCV). Actual values vary by home type, insulation, and heating source.
Frequently asked questions
How much electricity does a UK household use?Ofgem's medium typical domestic consumption value is around 2,700 kWh per year. However, actual usage varies widely by home type: a one-person flat may use 1,500-2,400 kWh, while a family of four in a detached house can use 6,800-7,800 kWh or more.
What is the Ofgem energy price cap?The Ofgem price cap sets a maximum unit rate and standing charge that suppliers can charge on default tariffs. It is reviewed quarterly. The current electricity unit rate cap is 24.50p per kWh. It does not cap total bills — it caps the per-unit rate and the daily standing charge.
What is a standing charge?A standing charge is a fixed daily fee you pay regardless of how much electricity you use. It covers network maintenance, metering, and policy costs. The current Ofgem cap for the electricity standing charge is around 61.64p per day, approximately £18.75 per month.
What uses the most electricity in a UK home?Electric heating (storage heaters, panel heaters) and immersion heaters are by far the biggest electricity users. Electric kettles, tumble dryers, electric ovens, and always-on devices also contribute significantly. Homes without gas central heating tend to have much higher electricity bills.
Next best step
Usage notes
This calculator provides a quick orientation for usage and variable electricity cost.
Your actual cost depends on your specific tariff, standing charge, contract terms, and regional conditions.
For binding figures, refer to your energy bill and your supplier's official information.
Email sign-ups run through Beehiiv with double opt-in. There is no tariff brokering and no postcode funnel.