If your sash windows are sticking, letting in draughts or showing signs of rot, the first question is usually, "Do they need replacing?" The answer is often more complicated than many homeowners expect.
Across Cornwall and Devon, we regularly inspect timber sash windows that have been written off as beyond repair, only to find that much of the original joinery is still structurally sound. Equally, we've seen windows that look perfectly acceptable from the outside but have
