This submission is a contribution to the National Risk Assessment in the context of: "Environmental risks include climate change; the risk of exposure to rising energy costs, particularly in the context of Brexit; risks inherent in the continued housing supply constraint; and risks that could arise from under-investment in economic and social infrastructure". It is in two parts: Part A- Energy performance standards, systems to achieve EU Energy and Climate objectives and compliance in new-build construction, and Part B- Construction standards, public safety and environmental protection.