Paxton Restoration is a London-based window restoration company specialising in sash and casement window repair for historic and listed buildings. Services include sash window overhaul, draught proofing, rot repair (including resin repairs), and upgrades such as narrow-profile double glazing and secondary glazing. The team also undertakes joinery repairs and can recreate replacement sash windows to suit the building’s age and style. They offer site surveys and consultation across London and surrounding areas.