Window Hinge Repairs Potters Bar | uPVC Window Hinge RepairPotters Bar window hinge repair. Timber, aluminium and uPVC window hinges repaired and replaced. Friction stays replaced. Call 01707 229916 for free quotation.·repairmywindowsanddoors.co.uk·Dec 1, 2025Window Hinge Repairs Potters Bar | uPVC Window Hinge Repair