Lock Replacement Cornwall
S. N. Todd Locksmiths & Security

Lock Replacement Cornwall

Professional Lock Changes for uPVC, Wooden & Composite Doors

When you need a lock replaced, you want the job done quickly, professionally and without any hassle. As a local locksmith in Cornwall, S.N.Todd Locksmiths & Security provide reliable lock replacement services for uPVC doors, wooden doors, composite doors and rental properties across the county. Whether your lock is worn, broken, or you’re simply looking to improve your security, I can help.

Based in Penryn and Falmouth, I replace all common residential & commercial locks using high-quality, insurance-approved parts so your property stays secure.

07354 513539
lock replacement cornwall

Local, Reliable Lock Replacement Across Cornwall

If your key has stopped working, your lock has become stiff, or you’ve lost track of who has access to your property, replacing the lock is often the safest option. I offer clear pricing, honest advice, and carry a range of locks suitable for most homes and businesses.

I replace and upgrade:

If you’re unsure what type of lock you have, I can identify it and recommend the best replacement.

uPVC Lock Replacement Cornwall

Most modern homes and rental properties in Cornwall use uPVC or composite doors with euro cylinders or multi-point locking systems. These locks can wear out, loosen over time, or simply not offer the level of security you want.

Common reasons to replace a uPVC lock:

  • Lost or stolen keys

  • Worn or damaged cylinders

  • Moving into a new property

  • Lock feels stiff or gritty

  • Door won’t lock properly

  • Insurance upgrade required

  • You want anti-snap protection

I carry standard, high-security and anti-snap cylinders so your lock can be replaced on the first visit in most cases.

Mortice Lock Replacement Cornwall

Older properties and timber doors across Cornwall often use more traditional mortice locks. These are reliable (when maintained) and often they suit the properties character and identity, unfortunately over time they can become stiff, outdated or fail completely.

I replace all types of mortice locks, including:

  • 5-lever British Standard (BS3621) mortice locks

  • Mortice deadlocks

  • Mortice sashlocks

  • Euro mortice deadlocks
  • Euro mortice sashlocks

  • Bathroom mortice locks

  • Older or discontinued models

If you need an insurance-approved BS3621 upgrade, I can supply and install the correct lock professionally, assuring the security meets insurance standards.

Night Latch & Rim Cylinder Replacement

Night latches (often called “Yale locks”) are common on older doors, flats and rental properties. If the key is sticking, the lock is worn, or you simply want to improve security, replacing the rim cylinder or entire night latch is quick and affordable.

I can fit:

  • Standard night latches

  • High-security night latches

  • Fire-escape night latches

  • Replacement rim cylinders

If you’ve lost a key or recently had tenants move out, replacing just the rim cylinder may be all you need.

Moving House? Change Your Locks for Peace of Mind

When moving into a new home, replacing the locks is one of the most important – and most overlooked – security steps. You never truly know how many spare keys might be in circulation from previous owners, tenants or tradespeople.

Most people selling a property have lived there for at least a 'few years'. Even if your new home has top of the range, high security, insurance approved locks, they could be 3-5 years in since install, and without proper maintenance your new home isn't as secure as it may seem.

I offer same-day or next-day lock changes for new homeowners in Cornwall, giving you complete peace of mind.

Post-Burglary Lock Replacement

Unfortunately most people out there know of somebody who's been unlucky enough to have been targeted for a burglary. Whether its personal belongings such as watches, jewellery or maybe your car keys. Changing and upgrading your locks today, could stop a burglary tomorrow.

If you’ve had a break-in or attempted break-in, I can replace any damaged locks and restore your home’s security. I can also recommend upgraded locks to help prevent future incidents. S.N.Todd Locksmiths & Security offer 24-hour locksmith services so we're always on hand for those emergencies.

High-Security Lock Upgrades

If you want extra protection, I can install:

  • Anti-snap cylinders

  • 3-star TS007 rated cylinders

  • British Standard BS3621 locks

  • Police-approved “Secured by Design” options

These provide strong resistance against snapping, drilling, bumping and other forced-entry methods.

Areas Covered

I provide uPVC locksmith services across Cornwall, including:

There is so many towns and villages to mention. If you're unsure whether I cover your area, feel free to get in touch.

Why Choose S.N.Todd Locksmiths & Security

As a local sole trader, you always deal directly with me. No call centres, no subcontractors — just reliable, honest, local locksmith service.

You can expect:

  • Clear, fair pricing - NO CALL OUT FEES

  • No unnecessary replacements

  • High-quality, insurance-approved locks

  • Fast response across Cornwall

  • Friendly, professional service

  • Tidy and accurate installations

  • Advice tailored to your home’s needs

Whether it’s a worn euro cylinder, a damaged mortice lock or a full security upgrade, I make sure your new lock operates smoothly and keeps your property secure.

Name

Words form our Valued Clients

"Sean fitted new handles & latches on our new internal doors.
Very happy with them. Excellent quality."

Martyn

"We called Sean to upgrade our locks after moving into our new home. We couldn’t be happier with the excellent service provided. Talked us through the insurance regulations and fit high security locks throughout! Would definitely recommend!!"

Natalie