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OLYDON Heated Floor Mat Under Desk 55W review: running cost and verdict
9.7/10
A 55 W heated mat to rest your feet on under the desk, with 7 temperature settings and a 3-hour auto-off: a full working day costs a few pence.
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The good
- Only 55 W
- 7 temperature settings
- Auto-off after 3 hours
- Flat: slides under any desk
The not so good
- Warms your feet, not your legs
- Little-known brand
Who is it for? A cold office floor or home office: the cheapest way to keep your feet warm.
How much does it cost to run?
One hour at full power (55 W)
1.4p
at 26.32p/kWh
A month of typical use
£2.43
8 hours a day, 21 working days
Ofgem price cap, Direct Debit, national average (1 October to 31 December 2026). More in which electric heater is cheapest to run.
Specifications
| Type | Under-desk heater |
|---|---|
| Power | 55 W |
| Controls | Timer |
| Oscillation | No |
| Tip-over protection | Not stated |
| Splash protection | No |
| Noise | Silent (no fan) |
| Amazon ASIN | B0DCVDRNVR |
| Source of specs | Amazon.co.uk listing (55 W, 7 settings, 3-hour auto-off) |
Frequently asked questions
How much does the OLYDON Heated Floor Mat Under Desk 55W cost to run?
At full power it uses 0.06 kWh an hour: about 1.4p at the Ofgem price cap (26.32p/kWh). Typical use (8 hours a day, 21 working days) comes to around £2.43 a month.
Alternatives
Silentnight Comfort Control Electric Foot Warmer
- Under-desk heater
- Teddy fleece foot warmer with 3 heat settings, overheat protection and a 2-hour auto shut-off. Slip your feet in under the desk: warms you for about a penny an hour.
- Costs 1.3p an hour (typical) at full power.
Coldfighting 180W Infrared Panel Heater (Under Desk)
- Under-desk heater · 180 W
- A thin 180 W infrared panel that warms your legs under the desk: silent, no fan, and about 5p an hour. Wall or desk mounting; no stand or thermostat.
- Costs 4.7p an hour at full power.
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