In 2001, Bear Grylls bought a Welsh island for £95,000 and spent years rebuilding its wrecked cottages; more than 20 years later, the home still runs on wind, solar and collected water

Bear Grylls purchased an island off the Welsh coast for a modest sum. He transformed a derelict lighthouse and cottages into a functional family home. This island residence operates entirely off the national electricity and water grids. It relies on wind turbines, solar panels, and collected rainwater for power. Grylls' self-sufficient lifestyle demonstrates preparation and acceptance of limitations.