Senior Architectural Systems is helping designers and housebuilders prepare for the forthcoming Future Homes Standard (FHS), with its aluminium window systems already engineered to meet the more stringent thermal performance requirements that will apply from 2028. Published in March 2026, the updated Standard confirms a major shift in the way window performance must be assessed. Under the new Home Energy Model (HEM), whole‑window U‑values must be calculated for the exact conf