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Domestic Electricity Bills – Facts And Figures

This web page contains facts and figures about domestic electricity bills.


All figures are approximate – individual usage and appliance power consumptions vary. The figures are representative to give individuals an idea of costs. Cost of electricity assumed to be 10 pence (UK) per Kilo Watt Hour.


  • Fridges and freezers make up about 33% of domestic electricity bills.
  • Lighting makes up about 10 to 15% of domestic electricity bills.
  • Electric water heating systems – heating water makes up about 10 to 15% of domestic electricity bills.
  • CFL (compact fluorescent lamps) light bulbs use about half the electricity of normal light bulbs.
  • Older type T12 fluorescent tubes (38mm / 1.5" diameter) use about 8% more electricity than newer T8s (26mm / 1" diameter) fluorescent tubes.
  • Heating costs rise by about 8% for every degree centigrade increase in thermostat setting – this can save the average household £80 per year.
  • Domestic households could save 30% on their energy bills by implementing simple, readily available, changes (UK National Audit Office).
  • Appliances that create or remove heat use the most electricity.
  • A heated towel rail cost about £5 per month to run.
  • Laptop PCs use about 80% less electricity than a ‘stack’ PC.
  • It costs the average UK household about £28 a year to leave electrical appliances on standby.
  • An energy efficient light bulb costs about £7 per year less to run than a standard 100W bulb.
  • Turning a PC and monitor off for 12 hours per day, say overnight, will save about £100 per year in electricity charges.
  • A dishwasher with a one hour cycle costs about 30 pence (UK) per load.
  • A tumble dryer costs about 25 pence (UK) per hour to run.
  • A 90 litre bath costs about 29 pence in electricity.
  • A washing machine costs about 25 pence (UK) per load (one hour).
  • An electric cooker cost about 75 pence per hour.
  • A portable fan costs about 20 pence (UK) per hour.
  • An iron costs about 20 pence (UK) per hour.
  • An immersion heater costs about 30 pence (UK) per hour.


Judge Electrical Limited
15 Mulberry Court, Huntington, York, YO32 9TU
Telephone 01904 764845 (Landline), 07919 033113 Mobile)
Email info@judgeelectrical.co.uk
VAT No. 852917405. Company Number 6359328