Find out more about the suppliers that featured in Peter and Chard's modern-day roundhouse.
The architect was Andrew Armes
The air-tightness test was run by London Insulation Ltd
The boarding and plastering work was completed by David Brealey
The carpentry was completed by Marc Davies
The cladding was from Bennetts Timber
The concrete floor polishing was completed by Carr Restoration Ltd.
The electrics were completed by GT Electrical Services
The painting was completed by Peter Robinson
The tiling was by Luke Tacker
The foundations and groundworks were completed by Advanced Foundation Technology
The ground and environmental services were completed by Trendrevel Services Ltd
The insulation was Thermafleece EcoRoll from Passivhaus Store
The plumbing was by Wesley Plumbing and Heating Ltd
The roofing was completed by DF Roofing Ltd
The wildflower roof was from Opti Green
The solar panels were from SolarTech Ltd
The timber frame team were Touchwood Homes
The ventilation was provided by Aeroco Ventilation Ltd
The windows and external doors were from Venturi UK Ltd.
The kitchen was from Magnet Kitchens
The fish tank was from Hobbyfish
The internal doors were from Howdens Joinery Co.
The light switches were from Sensorbility