However, before you use us, you'll want to make sure you're choosing a locksmith service that will give you the best service and value for money. A.L.S. try to carry out repairs to doors and windows as quickly as possible. This minimizes any disruption to our customers. The majority of UPVC double glazing repairs and lock work are completed in one visit. We're a lot cheaper than the big companies and we DON'T charge vat. Our UPVC door double glazing repairs come with a years guarantee. All our work is completed to the highest standard and because of this every job is finished to give you peace of mind that your UPVC door or new lock will go the distance and save you on the cost of replacing them in the future. If your door has the right level of security required by your insurance provider we'll tell you. A.L.S. Locksmith maintain an honest approach to the service we offer and don't just fit locks to earn more business.