From Passivhaus design and construction to high quality joinery finishes, we pride ourselves on creating beautiful homes. With over 25 years specialising in low energy timber frame buildings, we use natural materials that are durable and robust. Our expert team offer bespoke support for self-build projects or the complete turn-key package. At our new House Building Factory in Wales we build fully engineered, insulated and airtight closed panels using Warmcel and timber I-beams. PYC Insulation are the official distributors of Warmcel cellulose fibre insulation for timber frame in the UK and Ireland. Warmcel offers impressive U-values and airtightness, exceeding building regulations and reaching Passivhaus standards.