North London Box Sash

Welcome to North London Box Sash, we are a company that specialises in period box sash windows, casement windows and doors. Established in 2000, we pride ourselves on our quality product manufacturing and installation all over London and the surrounding areas. Specialising in Victorian and Edwardian period style joinery, we replicate ‘like for like’ timber window and door replacements, all of which conform to current building regulations. We provide a timeless, elegant and sophisticated finish to all our windows and doors using traditional methods and craftsmanship. North London Box Sash create bespoke box sash windows, casement windows and doors to match the original design, and retain the beautiful period characteristics of your home.