Ground source heat pumps draw heat energy from the ground through a series of pipes called ground loops. Dependent on how much land is available and the type of ground you have, can affect whether these ground loops are laid horizontally or vertically. For vertical ground loops you'll require one or more boreholes and on average these will be 100 metres deep. If you require horizontal ground loops this means you'll need trenches which are around 1-2 metres deep. Find out more about the ground works and how much space is required in our dedicated article about this topic.