Everest Home Improvements has launched a flush casement window range, marking its entry into a premium niche traditionally dominated by heritage and renovation specialists. The frames sit flush with the sash when closed, replicating traditional timber aesthetics in PVC-U or aluminium. The move suggests Everest is pivoting towards higher-margin segments beyond its core replacement-window business. Flush casements typically command 15–25 per cent price premiums over standard casement systems and are popular in conservation areas and period-property renovations across the UK.