Locked out or need to change your locks in London? Fantastic Locksmith offers professional lock replacement and lock change services for homes, offices, and businesses across the city. Whether it’s your front door, uPVC door, or window locks, our certified locksmiths can replace them quickly and securely – available 24/7 with a fast response time.
Use our online booking form to check lock replacement prices and availability in your area.
Choose a convenient slot for your lock change service in London, including same-day and emergency appointments.
A fully equipped, certified locksmith will arrive promptly to carry out your lock change or replacement quickly and securely.
Our certified locksmiths provide expert lock change and lock replacement services in London, helping homeowners, tenants, and businesses improve their security quickly and affordably. Whether you need an urgent emergency lock change or want to upgrade to insurance-approved locks, we’ve got you covered.
Here are just some of the locksmith services we provide:
Lock upgrades – Upgrade your locks to modern, high-security and British Standard-approved models to keep your property safe.
Fresh lock installations – Need new locks fitted to doors that have never had them? We can carry out fresh lock installations on interior and exterior doors.
Change front door locks – Moving into a new home or office? Our locksmiths will replace your front door locks so only you have the keys.
Emergency door lock replacement – Locked out, lost keys, or suffered a break-in? Book our same-day locksmith service for fast help anywhere in London.
Keyed alike lock change service – Simplify access by changing multiple locks to work with just one key.
Tenant eviction locksmith service – Need assistance at a bailiff appointment? Our tenant eviction locksmiths provide secure access and lock changes immediately.
Suitable for all types of locks and doors – At Fantastic Locksmith, we specialise in lock replacement services across London for every kind of door and window. Whether you need a lock change for a wooden front door, a modern uPVC door, or a high-security composite door, we have the expertise to help. Our technicians work with a wide range of lock systems including mortice locks, euro cylinders, rim cylinders, thumb-turn locks, and more. No matter your property type, our locksmiths can repair, replace, or upgrade your locks to ensure maximum protection.
24/7 emergency lock replacement in London – We know that lock issues rarely happen at convenient times. That’s why we provide 24/7 emergency locksmith services, including urgent lock replacement and door opening. If you’ve been locked out, suffered a burglary, or need a broken key extraction, we can dispatch a local London locksmith to your address within 30 minutes. Fast, reliable, and always available – whenever you need us most.
Fully insured services for peace of mind – Every lock change and replacement we carry out in London is fully insured under our public liability coverage. This means that, in the unlikely event of accidental damage during the service, you’re completely protected. Homeowners, tenants, landlords, and business owners can trust that our locksmith services are delivered with professionalism, care, and full accountability.
Certified and highly trained locksmiths – All our London locksmiths are fully certified professionals who have undergone extensive training to handle all types of locks and security systems. From simple Yale lock changes to installing BS3621 British Standard locks required by insurance companies, our team ensures the highest level of workmanship. Their experience means that even the most complex lock replacement jobs are completed efficiently and to the highest standard.
Fully equipped with quality locks and tools – When you book a lock change service with Fantastic Locksmith, our technicians arrive fully equipped with all the tools and hardware required. We stock a wide selection of BS3621 British Standard locks, anti-snap euro cylinders, and other insurance-approved models. This means we can carry out fresh lock installations or replacements on the spot without delays.
Wide range of lock replacement options in London – Every property is different, which is why we offer a variety of lock replacement solutions. Whether you’ve moved into a new property and need to change the front door locks, want to upgrade to high-security locks for peace of mind, or prefer a keyed-alike system so you can open all doors with one key, we’ve got you covered. We also provide eviction locksmith services for landlords and fresh lock installations for newly renovated properties.
The BS3621 standard is a high-security certification issued by the British Standards Institution (BSI). Locks that meet BS3621 have been thoroughly tested for strength, durability, and resistance to tampering, making them some of the most secure options on the market. Many UK insurance companies require BS3621 British Standard locks on external doors as part of their home insurance policies.
To check if your lock is a BS3621 British Standard lock, look for the kitemark symbol (a heart-shaped mark with a number inside) stamped on the faceplate of the lock. If you’re unsure, our certified locksmiths in London can inspect your locks and confirm whether they meet insurance requirements.
We supply and fit a wide range of locks for lock replacement in London, including mortice locks, euro cylinder locks, rim cylinder locks, and uPVC door locks. All locks we install are BS3621-approved, ensuring top-level security for both domestic and commercial properties.
Most lock changes in London can be completed within 30–60 minutes, depending on the type of lock and door. Emergency lock replacements may take slightly longer if drilling or additional hardware is required. Our experienced locksmiths always aim to provide fast, efficient, and non-disruptive service.
Rekeying is a cost-effective option when the lock is still in good condition but you want to prevent old keys from working (e.g., after moving home). Replacing the lock is the better choice if the existing lock is damaged, outdated, or doesn’t meet modern British Standard BS3621 requirements. Our London locksmiths will assess your situation and recommend the best option for your security needs.
If you’re searching for a lock change service near me in London, Fantastic Locksmith has you covered. We provide lock replacement, lock upgrades, and new lock installations across the entire Greater London area.
Our certified locksmiths can reach you quickly, no matter which part of London you’re based in. We’re transparent with pricing, respectful of your schedule, and committed to improving your property’s security with expert advice and insurance-approved locks.
We cover all boroughs within the M25, including:
Central London
East London
North London
North West London
South East London
South London
South West London
West London
