Most Expensive Appliances To Run In The UK
Reference table
| Electric heater | 2,000W | 49.34p per hour |
|---|---|---|
| Tumble dryer | 2,500W | 61.68p per hour |
| Electric oven | 2,200W | 54.27p per hour |
| Kettle | 3,000W | 74.01p per hour, but used briefly |
What to know
Heat is the common pattern. Appliances that create heat usually use far more electricity than electronics.
Practical guidance
The real bill impact depends on usage time. A high-power kettle used for minutes may cost less than a lower-power heater used for hours.
How to use this
Focus first on appliances that combine high wattage with long or repeated use.
FAQs
What should I check first?
Heating, drying clothes and cooking habits usually offer the biggest savings.
Are fridges expensive?
They run continuously, so inefficient or faulty models can matter.
Is a smart meter enough?
It helps identify patterns, but appliance-level checks are clearer.
Can I reduce costs without switching supplier?
Yes, by reducing kWh use and avoiding waste.
Last reviewed 3 May 2026. Source: Ofgem energy price cap. Figures are estimates. Actual prices vary by region, supplier, tariff, payment method and meter type.