Welcome to our locksmith information hub, where we share real projects, expert security advice and practical guidance on locks, doors and home protection. From completed jobs across West Dunbartonshire to tips on improving your property’s security, these articles are designed to help you understand your options and make confident decisions about keeping your home safe.
Published Date: 21 June 2026
A uPVC door that won't lock is often caused by alignment issues, failed gearboxes, seized locking points, or a faulty euro cylinder. Most problems can be repaired without replacing the door, restoring smooth operation and security.
Published Date: 21 June 2026
1 Star cylinders provide enhanced security and achieve a TS007 3 Star rating when combined with a 2 Star security handle. 3 Star cylinders achieve the same security rating on their own. Both offer protection against snapping, drilling, picking, and bumping, making them a significant upgrade over standard euro cylinders.
Published Date: 21 June 2026
A.L.S. Locksmiths operates on a fixed-price basis with no hourly rates, no call-out charges, and no VAT. Prices include parts and labour, even if a return visit is required to complete the repair. We provide a 12-month guarantee on parts supplied and fitted by us, subject to our terms and conditions. Payment is taken on completion of the work by cash or card, and wherever possible we use non-destructive entry methods while taking reasonable care during all repairs.
Published Date: 21 June 2026
A failed Winkhaus gearbox was preventing the locking hooks from retracting fully, causing frame damage and difficult operation. The gearbox was replaced with a genuine part, the lock upgraded, and the door adjusted, restoring smooth operation and avoiding the cost of a full door replacement.
Published Date: 19 June 2026
Keyed alike locks allow one key to operate multiple locks. Suited locks use a master key system that gives different users access to different areas while maintaining overall control of the building.
Published Date: 19 June 2026
Door handles come in many different sizes and configurations. Common PZ centres include 68mm, 70mm, 92mm, and 113mm. Options include TS007 2 Star security handles, lever/lever, lever/pad, and split spindle systems. Correct measurements are essential for a successful replacement and smooth operation.
Published Date: 19 June 2026
Replacing an old euro cylinder with a modern snap-resistant lock is one of the simplest ways to improve home security. Supplied with five keys and designed to resist snapping, drilling, picking, and bumping, these locks provide a significant upgrade over many older standard cylinders.
Published Date: 19 June 2026
Upgrading to a BS3621 mortice lock requires widening the mortice, fitting the lock correctly, and installing the manufacturer's supplied keep. When fitted properly, the lock provides enhanced security and helps satisfy common insurance requirements.
Published Date: 19 June 2026
A Yale rim lock and nightlatch can be fitted to a timber door with careful measuring, drilling, and adjustment. Correct positioning of the cylinder, nightlatch, and keep ensures smooth operation, good security, and a rattle-free door.
Published Date: 19 June 2026
Universal repair lock kits can restore basic operation, but they rarely perform as well as the original mechanism. Whenever possible, repairing the original mechanism or fitting a full one-piece replacement provides smoother operation, better security, and a door that seals and locks correctly.
Published Date: 18 June 2026
Secured by Design approved mechanisms and handles are tested to enhanced security standards. Combined with anti-snap cylinders and correct installation, they help improve door security and resistance against common attack methods.
Published Date: 18 June 2026
Warm soapy water and a soft cloth are usually the best cleaners for uPVC and composite doors. Avoid harsh chemicals and abrasive products, and clean door furniture regularly to keep your door looking its best.
Published Date: 18 June 2026
Customer wanted new door handles and security advice. After assessing the door, 2 Star security handles were recommended and fitted, improving protection for the lock and mechanism while giving the door a fresh new look.
Published Date: 18 June 2026
A customer feared his daughter's composite door needed replacing after the mechanism failed and the door became difficult to lock. A new gearbox, lock cylinder, frame keep, and door realignment restored smooth operation and saved the cost of a replacement door.
Published Date: 18 June 2026
Customer unable to lock her door due to a failed cylinder. Arrived within 15 minutes, replaced the faulty lock, supplied five new keys, and restored security. Fixed-price service with no call-out charge resulted in a very happy customer and a 5-star review.
Published Date: 18 June 2026
A composite door was transformed with a new letterbox, quality handles, and a correctly sized 1 Star anti-snap cylinder. The door was cleaned, upgraded, and refreshed, giving it a modern appearance and improved security without the cost of a new door.
Published Date: 17 June 2026
Customer unable to lock her uPVC door due to a failed gearbox. The gearbox was replaced, a seized bottom hook repaired, and the door fully realigned. The result was a smooth-operating, properly locking door and a very happy customer.
Published Date: 16 June 2026
An old Yale rim lock was replaced with a new Kitemarked insurance-approved model. The cylinder tailpiece and fixing screws were cut to the correct length for a perfect fit, and the completed lock was supplied with two new keys.
Published Date: 16 June 2026
A customer requested a lock change on a door fitted with an incorrectly sized euro cylinder. A rounded-off retaining screw complicated the job, but the lock was safely removed without damaging the mechanism. A new correctly sized cylinder was fitted and supplied with five new keys.
Published Date: 16 June 2026
An old, dated letterbox was replaced with a quality new unit. After removing dirt, residue, and old silicone, the new letterbox was fitted, giving the door a cleaner, fresher, and more modern appearance.
Published Date: 16 June 2026
Loose composite door handles and an incorrectly sized euro cylinder were replaced with quality new hardware. The door was cleaned, new handles fitted, and a correctly sized anti-snap cylinder installed with five new keys supplied, improving both security and appearance.
Published Date: 16 June 2026
An incorrectly sized euro cylinder was creating a potential security weakness. The lock was upgraded to a correctly fitted 1 Star anti-snap cylinder, improving security, reducing exposure to lock snapping, and providing five new keys for the customer.
Published Date: 16 June 2026
A tired composite door was transformed with new sprung handles, a quality letterbox, a correctly sized 1 Star anti-snap cylinder, and a Kitemarked Yale rim lock. The result was improved security, smoother operation, and a door that looked almost new again.
Published Date: 16 June 2026
Replace worn composite door handles and locks to improve security and reliability. Upgrading to a 1 Star anti-snap cylinder and quality sprung handles helps restore smooth operation and provides better protection against forced entry.
Published Date: 11 June 2026
Professional HMO lock installation and upgrades for shared properties. Suitable locking systems help provide security while allowing safe emergency exit for tenants and occupants.
Please fill out your details below regarding the locksmith repair you'are looking for, and we will be in contact with you shortly. Or call us on 07712 445612.We love talking to our customers, and by calling us, we could help you straight away, and your issue could be fixed.