Best Underfloor Heating — WarmStar (2026)
1 underfloor heating matching brand “WarmStar”, hand-picked from UK Amazon listings.
#1 Pick
WarmStar Electric Underfloor Heating Mat Kit + Thermostat, 100W/m²Rated 4.5 out of 5 stars (320)
- 100W
£69.99
Pros
- Dual core cable technology adds redundancy if one core fails
- Lifetime warranty backs the heating element
- Colour touch screen thermostat included in the kit
Cons
- 100W/m² is a gentler background warmth rather than a sole heat source
- Smaller mat sizes cover limited floor area per kit