How much does it cost to run a towel rail?
A towel rail typically draws about 450 W. At the current Ofgem price-cap electricity rate of 26.11p/kWh (1 July to 30 September 2026), a typical 2-hour use costs about 23.5p, and one hour costs roughly 11.7p.
Towel rail running cost: ~0.45 kWh per hour β 11.7p/hour. A typical 2-hour use β 23.5p at 26.11p/kWh.
Towel rail running-cost calculator
A towel rail draws about 450 W. Set how long you run it and we apply the current Ofgem electricity unit rate of 26.11p/kWh.
Cost to run for 2 hours
23.5p
Uses 0.90 kWh at 26.11p/kWh.
- Per day
- 23.5p
- Per week
- Β£1.64
- Per year
- Β£85.77
Per-day/week/year figures assume one 2-hour run each day. Wattage is typical/indicative β your model may differ.
How the cost is worked out
- Wattage: a towel rail draws about 450 W.
- Convert to kW: 450 Γ· 1,000 = 0.45 kW.
- Multiply by hours: 0.45 kW Γ 2 h = 0.90 kWh.
- Multiply by the unit rate: 0.90 kWh Γ 26.11p β 23.5p.
Frequently asked questions
How much does it cost to run a towel rail?
A towel rail draws about 450 W. At the Ofgem cap rate of 26.11p/kWh (1 July to 30 September 2026), a typical 2-hour use costs roughly 23.5p, and one hour costs about 11.7p.
How much electricity does a towel rail use per hour?
At 450 W, a towel rail uses about 0.45 kWh per hour, which is roughly 11.7p at the current cap rate.
Running costs for other appliances
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Wattage (450 W) is typical/indicative β your model may differ. Source: Heatable β How much energy do appliances use (typical ratings; draws on Energy Saving Trust / Centre for Sustainable Energy). Electricity unit rate from Ofgem β Energy price cap unit rates and standing charges (cap period 1 July to 30 September 2026, fetched 2026-06-18). Ofgem figures Β© Ofgem, Open Government Licence v3.0. Appliance wattages are typical/indicative, not measured. Ofgem.