Brand New Homelux 3m² Underfloor heating mats (HHW M3) RRP £146 Each. Ideal for heating tiled flooring, this underfloor heating from Homelux has a total coverage of 3 m². It's been specially designed to be used under any porcelain, ceramic or natural stone tiles, and is mains powered. Suitable for Any porcelain, ceramic or natural stone tiles. Fitting instructions: Quick & easy installationI have 5 in total happy to take offers for all or more than 1