Hi, bumping your question

Regardless of what finish you choose, the thing with wet UFH is that it relies on heat building up in and being stored in the floor slab. You don’t really ever turn it off in the winter, you just set the room thermostats for different temperatures at different times of the day. In the summer you just set the thermostat to frost setting so it never kicks in. We have tiles and I like having a cool floor in the summer heat, as do my dogs. In autumn and spring other finishes may feel more cosy as sometimes the tiled floor doesn’t feel obviously warm when the air is up to temp, tho it’s not properly cold either.

@d_omongain, thank you! We actually saw those tiles but the colourway was wrong. The two versions of the tile we liked -- black on white and turquoise on white weren't available individually -- you had to buy either of these as a mixed set. If you work with this company, please encourage them to print different colourways! The quality seemed fantastic.

Does anyone know where I can find black and white rectangular tiles (like the ones pictured), but much smaller (mosaic or up to 30cm wide)? I have attached a picture of the style I am looking for in white. Any help will be greatly appreciated!