location 374 Lordship Ln, London, N17 7QX

location 374 Lordship Ln, London, N17 7QX

WELCOME TO A3 Locksmith Services

Locksmith Clapham


Trusted lock specialists

For locks and keys you can trust, A3 Locksmith Services is the name to remember.

Locked out of your home or business? We provide locksmith services for domestic and commercial locations throughout South West London. And that’s not all—we do cars and trucks, too!

All of our locksmiths are fully licensed and insured, and fully trained to help you with all kinds of lock and key problems, including broken locks, lost keys, ignition repairs, replacements for faulty transponder keys, and much more. We do everything from fixing door locks to installing safes and vaults. Some of our most popular services include:

  • Installation of window locks
  • Aluminum door replacement services
  • Garage window locks
  • Wooden door replacement services
  • Door locks for garages and garage lock replacement
  • Window lock repair and window bar installation
  • Emergency burglary repairs
  • Door frame repair & fire doors


That’s why we say we’re Clapham’s go-to locksmiths. We can help you with all your security needs, and we boast a trusted reputation for honesty and quality. With over 20 years of experience, you can rely on us to do the job properly and provide fast, friendly service—day or night.

Replace Faulty Locks

If you’re having problems with a faulty lock, turn to A3 Locksmith Services. Our skilled, licensed locksmiths can be at your location within an hour to diagnose and repair or replace faulty locks.

We use non-destructive methods for lock opening so we can preserve the integrity of your security system when we fix it. We also have a wide range of replacement locks on hand, from reputable brands such as Yale and Marks Mortise so you know you’re getting quality when you hire our team. We even know how to fix Asgard multipoint locks!

You can also take advantage of our consultations, which are free for your security needs. We’ll take a look at the security systems in place and make recommendations on how to improve them.


Locksmith Services

Auto Locksmith
Auto Locksmith
Auto Locksmith Services

We offer a wide range of automotive emergency locksmith services that include lock replacement, key duplication, new lock installation, and more.

We know that broken locks are an emergency, so we offer same-day service 7 days a week. This ensures that you’re never stuck in your house or place of business without the security you need. We also provide free estimates, so you can fix your locks without worrying about high prices.

Whether your locks are outdated or you want to upgrade them with high-security systems, our experts will get the job done right—the first time. We offer affordable prices and same-day service, so you can get back to work without worrying about the cost.


Lock Upgrades in Clapham

When you choose A3 Locksmith Services, you can also take advantage of our lock upgrades. Whether you need to replace the locks on your front door or just want to improve the security around your home, we’re here to help.

We offer new lock installations, including high-security locks by manufacturers like Yale and Chubb. We also have the proper licensing to install Master Lock products—so you know that you’re getting superior quality when you hire our team.

Burglar Alarm Systems

A3 Locksmith Services also has an in-house security engineer so you can choose from a range of burglar alarm systems. No other locksmith in Clapham offers comprehensive alarm systems like we do.

Our experienced technicians will consult with you on the best system for your home or business and our engineers have years of experience working with various brands, including ADT and Visonic.

With our professional team, you’ll get peace of mind knowing that your loved ones are safe and secure. We take into account everything from the layout of your property to the number of windows and doors you have and provide a security solution specific to your needs.

Our team uses the latest products on the market, including wireless technology and digital keypads so you can upgrade as needed with no hassle. Our services come at affordable prices and we offer free estimates—but don’t hesitate to contact us for more information on our alarm systems!

Professionalism and quality

Our Locksmiths available to serve you in Clapham and it’s surrounding areas!

Our specialties include

24 Hour
Lockout Service


Keys and Chips


Car Lock Out


Safes and Vaults


Emergency Service


Lock Repairs


Lock Replacement


And More…

Window Lock Repair

Even if your doors are in great shape, your home isn’t safe if your windows are vulnerable to break-ins. And if you think your windows are too high for burglars to access, think again.

A3 Locksmith Services offers full-service window lock repair at affordable prices. Whether the problem is sticking windows, locks that don’t close properly, or even broken glass, our expert team will have it fixed in no time.

We also install security bars and grilles to make your belongings safer. Our broken lock repairs are available around the clock, which means you’ll never have to sacrifice security for convenience again.

We’ll always give you a free written estimate, and if your windows need to be replaced, we offer high-quality replacement windows. We have the knowledge and experience to make sure you get the windows that fit your needs—and your budget.

What Our Clients Say
Certified ProfessionEfficient Service on Client's Lock & Key Needs al Locksmiths

We offer free estimates and if you need after-hours assistance, we can get someone out to you in under an hour. Unlike many of the locksmiths in Clapham who charge high rates or employ inexperienced technicians, A3 Locksmith Services is fully insured and offers competitive prices on all our services.

With A3 Locksmith Services on your side, you don’t have to worry about the safety of your family or business property. We’ve got it covered!

We're Your 24 Hour Locksmith Experts

Our locksmiths work with all types of locks, including deadbolts and knob-sets. You can opt to include a peephole or lever handle in your lock upgrade, and we also offer security window locks.

We’re happy to give recommendations and advice on the best types of locks to suit your property and budget, and we offer affordable prices with no hidden fees. If you need a lock upgrade or repair in Clapham or any of the surrounding areas, make A3 Locksmith Services your first choice.

Contact Us

address374 Lordship Ln,

London, N17 7QX

Our Services
  • Rekeys
  • Lock Change & Lock Installation
  • Lockouts
  • Car Key Replacements
  • Open Safes
  • Ignition Services
  • And many more…
Our Location