Sash windows are a timeless, stylish, quintessentially English design that immediately evokes the elegance of centuries past. In Britain, there’s no company that knows more about them, and is more passionate about them, than Olney fabricator Roseview. For forty years, the secret to Roseview’s success has been its scholarly knowledge of sash window history, and faithfulness to the classic designs …

I read a forum post about a council ordering someone to remove their new windows and replace them with timber ones, in line with the conservation area they’re in. Although this is a big issue in itself, and I’d need more facts before commenting on it specifically, I thought it would be useful to provide a short guide to how …