Gallery owner Elinor and fitness entrepreneur Born set themselves the task of creating Britain's first hypoallergenic house in a leafy back garden plot in south west London. Driven by the need to alleviate their two young sons' life-threatening allergies, their new part-submerged, shed-inspired home, will be constructed using low toxin materials and deploy cutting-edge filtration systems to clean the air they breathe. Will their innovative new house deliver the benefits Elinor and Born are hoping for?.

Grand Designs Season 19 Episodes...

• s19e01 - Aylsebury Vale: Folly House
• s19e02 - Padstow, Cornwall: American Modernist House
• s19e03 - Richmond: Hypoallergenic House
• s19e04 - Leominster: Amphitheatre Farmhouse
• s19e05 - Sheffield: Twin Houses
• s19e06 - East Sussex: Modern Country House
• s19e07 - Revisited - East Devon: Cob Castle

Grand Designs Show Summary

Grand Designs is a Channel 4 TV series covering unusual architectural house-building projects, presented by Kevin McCloud.

The properties featured in the series vary wildly from homes underground to converted water towers, with the only common factor being that they're all rather unusual or extravagant in some way.