What is Part Z? How building regulations proposal could affect self builders

Self build country home, morning mist
Part Z could mean building regulations will include lowering carbon emissions during a build (Image credit: Getty Images)

Part Z is a proposed amendment to the building regulations that would cap embodied carbon emissions during building work. 

This would affect major construction projects – but also could affect self builders. 

Paul Testa

Architect Paul is the director of HEM Architects and a specialist in low-energy design. HEM Architects are well-versed in designing sustainable, energy-efficient new builds and extension schemes. He has also just completed an eco retrofit to his family home.

He taught the technology course for the MArch in Architecture at Sheffield University, and is a tutor for the Sustainable Architectural Studies Masters course. 

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