Colin and his partner Marta first appeared on Grand Designs in 2011, planning to build a quirky metal house next to the runway where they operate a flying school. But the project was soon ravaged by adverse weather, money issues and a disastrous fire. Six years on, Kevin McCloud returns to see if their home, inspired by aircraft hangars, is finally finished.Colin and his partner Marta first appeared on Grand Designs in 2011, planning to build a quirky metal house next to the runway where they operate a flying school. But the project was soon ravaged by adverse weather, money issues and a disastrous fire. Six years on, Kevin McCloud returns to see if their home, inspired by aircraft hangars, is finally finished.