To work out the running costs of traditional gas heated towel rails, you can make an estimation based on your usual home heating habits and usage levels, factoring in that your towel rails will be switched on and working when your boiler is.
At the time of April 2023, the standard UK gas tariff worked out at 10.3p/ kWh in line with the Energy Price Guarantee of the UK government.
For a more detailed insight, browse our blog, Is a heated towel rail expensive to run?