French door lock repair
French-door security depends on both leaves, their alignment and the way each leaf is retained.

French door lock repair — align paired leaves before testing the French-door lock, with the glass specification, dimensions and access route agreed.
Identify the main opening leaf and the secondary bolts or mechanism. Assessing only the keyed leaf can miss a fault that prevents the pair securing properly.
The detail that matters
Why does one leaf have different locking hardware?
The main leaf and secondary leaf can perform different roles, so their mechanisms need to work together.
Before the work
is agreed.
Why does one leaf have different locking hardware?
The main leaf and secondary leaf can perform different roles, so their mechanisms need to work together.
What movement should I describe?
Mention scraping between the leaves, stiff handles and any bolts that do not engage or release.
What should I include in this enquiry?
Have the postcode, photographs of the lock and door, and a short account of when the fault began. Identify the person authorised to arrange access; do not send key codes or sensitive entry credentials through the form.
French door lock repair by area
Select a place to view this service for that location. Please provide the postcode when you enquire.