Every CalcBeast tool

Energy & home running costs

Work out what heating, appliances, and home upgrades actually cost to run. Built for UK energy prices, with gas-vs-electric comparisons before you commit to a quote.

• Loft Insulation Cost Calculator UK Estimate loft insulation cost, DIY versus professional installation, annual heating savings and payback for a UK home.
• Electricity Bill Calculator Calculate a UK electricity bill from kWh usage, unit rate, standing charge, billing period and VAT.
• Gas Boiler Running Cost Calculator Estimate gas boiler running cost per day, month and year from boiler output, usage hours, gas price and efficiency.
• Home Battery Savings Calculator Estimate UK home battery savings and payback from battery capacity, installed cost, tariff spread and round-trip efficiency.
• Heat Pump Running Cost Calculator Estimate UK heat pump running costs from SCOP and electricity price, then compare against a gas boiler.
• Solar Panel Payback Calculator UK Work out solar panel payback, break-even time, bill savings, SEG export income and ROI for a UK home.
• Electricity Cost Calculator Calculate appliance running costs for electric heaters, washing machines, tumble dryers, kettles and more.
• Electric Car Charging Cost Calculator Estimate UK electric car charging cost, EV cost per mile, home charging cost and savings versus petrol.
• Dehumidifier Running Cost Calculator Work out what a dehumidifier costs to run per hour, day and month from its wattage and your electricity price.
• Oil-Filled Radiator Running Cost Calculator Calculate the running cost of an oil-filled radiator per hour and day from its wattage and your unit rate.
• Electric Blanket Running Cost Calculator See what an electric blanket or heated throw costs to run per hour and per night at UK electricity prices.
• Air Conditioning Running Cost Calculator Estimate air conditioning running cost per hour and day for portable and split units at UK prices.