Appalling customer service - went for Banham as thought that they have best locks and that I'm paying higher than market rate for better service and locks. The service is the worst, 1) they call same day for a service that they haven't notified us of/booked in 2) Banham Lock installs email never replies 3) they book a 5 hour time slot and they show show up outside of the slot. The lock also doesn't seem to be functioning well.