I've got no real idea how much heat i need, but I've done a few online calculators and about 6000 Watts seems to be what comes up (39m2 with tiles on top)
If you need to find a tradesperson to get your job done, please try our local search below,
or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Please select a service and enter a location to continue...
Are you a trade or supplier? You can create your listing free at DIYnot Local