regulatory targets. It offers air tightness testing to evaluate building envelope permeability and support Part L compliance. EnergyPlus EPC also undertakes Part G water calculations to assess predicted water consumption in line with building regulations. Its services support architects, developers, contractors, self-builders, and property owners who require documented evidence to meet statutory energy and efficiency requirements. The firm prepares the associated technical outputs and reports needed by building control and other stakeholders during design and construction stages.