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We provide repair services for a wide range of door types including composite doors, patio doors, French doors and bi-folding doors.


Double Glazed Door Repairs


Here at D.A. Windows & Doors Ltd Ltd we provide full locksmith services for double glazed upvc doors of all kinds. We can help with all modern locking mechanisms for upvc doors and multi-point locking mechanisms. We can help with repairs / replacements of locking systems with deadbolts, hooks or rollers to lock. Repairs / replacement of specific makes of door lock including Yale, Fullex, Ferco, Ucem, GU, Mila, Roto, Winkhaus, KFV, and Fuhr Infront. Lock barrels can be supplied in zinc or brass with 3 keys.


For multi point locks let us know the dimensionsin mm (for A and B), the make of lock, and whether it’s got deadbolts hooks or rollers (see picture).


Upvc Door Locks:














For upvc door handles with a backplate (see the picture below) let us knoiw the colour, the dimensions of A,B and C, the number of screwholes (2 or 3), and whether the handles are lever/lever or lever/pad.


Door Handle Dimensions Locks UPVC Doors:













For replacement lock barrels we will need to know the dimensions for A & B (see below).


Lock Barrel: