Seven Hills Locksmiths are a friendly professional locksmith service based in Sheffield. We provide a large range of services to both commercial and residential customers. We always strive to give the best service possible no matter the problem. We specialise in lock repair and replacement, non-destructive entry, uPVC door locks and high security locks. We are also one of the few supplies that can provide the Ultion lock in Sheffield, the lock with the highest safety standard available in the ma