Wanting to change or replace your door ( or window ) locks on your property? Lucy Locksmith a Checkatrade approved locksmith is here to assist you in fitting or replacing your lock(s). If you've recently moved into your new home then replacing your locks is a must. It's imperative that your locks comply with insurance standards, get a free quote by clicking on our contact forms. There are multiple reasons why a UPVC Door or Window lock requires maintenance or replacement if it is broken or damaged, you'll need to explore your options on whether to repair the lock or have it replaced.