Grantham Locksmiths is a family run business that's been serving Grantham, Barrowby, Bottesford, Colsterworth and Newark for almost 25 years. With a wealth of experience and reliability, We can change most types of upvc door/composite door locks in Grantham. If your locks are broken we can replace or repair them. Our vans are fully stocked with Cylinders, Handles and a range of door Locking mechanisms including British Standard euro cylinders. We also replace & Upgrade traditional mortice and Yale locks.