English translation of the original Swedish archive page. Swedish original below. Plans and observations belong to the time of writing.
Suppliers for the build:
Björket Entreprenad: excavation, groundworks and foundations.
Leif Tjälldén AB: foundation materials, insulation, edge elements, reinforcement and an underfloor-heating system supplied through Thermotec.
Ecorelief: design and supply of the water-recycling system.
Drivadan: manufacture and assembly of the greenhouse.
Palmatin: laminated-log house and garage.
Woody Åkersberga: lightweight expanded-clay blocks for the service building and assorted building materials.