The designer of a prefabricated house on wheels has made his first sale, opening up a market for affordable houses on greenfield sites – without planning permission. Legally classified as a caravan, which eliminates the need for planning permission, the 1000 m2 M-house comes in two parts, bolted together on site. Architect and exhibition designer Tim Pyne designed the M-house with architect Mæ llp. Engineer is Techniker and contractor is Discovery Contractors.