What a shower costs on gas
Estimate: 8 minutes at 8 litres a minute (64 litres), water raised by 30°C. That heat, at the specific heat of water, is the kWh below. A real combi wastes some gas, so you may use more. A mixer shower uses gas. An electric shower does not.
£0.18
2.23 kWh of gas at 7.97p/kWh. Standing charge is extra and is not in this figure. The unit rate does not fall in the afternoon or at night.
GB average Direct Debit cap, 1 October to 31 December 2026: electricity 26.32p/kWh and 54.83p/day, gas 7.97p/kWh and 29.68p/day. This is the Great Britain average for Direct Debit. Your region’s standing charge and unit rate can differ. Ofgem publishes the regional tables. Ofgem. No VAT on electricity from 1 October 2026 to 31 March 2027. The published gas figures include 5% VAT.
Not financial advice. Estimates are labelled. Check a quote or the scheme before you act.