Off the Grid: The UK's most sustainable family
If you've ever wondered what it would be like to live totally outside the normal confines of society, this Welsh family can offer you a glimpse.
The Watkinsons have chosen to ditch 'normal life' for an existence that is focused entirely on sustainability.
The two former vets and their children left behind a comfortable life in Essex and have constructed their own home from discarded material.
See how they do it in the video above.