Underfloor heating is a great way to add warmth to your new London home extension without radiators using up valuable wall and floor space. But which type to choose for your project? At Simply Extend, we’ve put together a quick guide to what you need to know about underfloor heating. There are two main types of underfloor heating system. The most common is wet underfloor heating. This uses your boiler to warm up water and then pumps heat through…