Your Local London Locksmith — 24 Hours a Day
Keys4U is London's trusted locksmith service, covering all 32 boroughs and the City of London. Whether you're locked out of your home in Hackney, need a lock change in Kensington, or require a CCTV installation for your Canary Wharf office — our London locksmiths are ready to help.
We understand London's unique security challenges. From high-rise flats to Victorian terraces, UPVC doors to composite doors — our engineers are experienced with every property type across the capital.
All our London locksmiths are fully DBS checked, carry public liability insurance, and hold ISO 9001 & ISO 45001 certifications. We're also endorsed as a Which? Trusted Trader.
Need a London Locksmith Now?
Call our 24/7 London emergency line — we'll have a locksmith with you in 30 minutes.
033 3305 2993London Locksmith Services
From emergency lockouts to full security installations across Greater London.
Emergency Lockout
Locked out of your London home or office? We'll be with you in 30 minutes.
Emergency Lockout
Locked out of your London home or office? We'll be with you in 30 minutes.
Lock Replacement
British Standard BS3621 locks supplied and fitted across all London boroughs.
CCTV Systems
Professional CCTV installation for London homes and businesses.
Alarm Systems
Expert alarm installation and maintenance throughout Greater London.
Smart Locks
Nuki, Igloohome, Simpled and more — installed by certified London locksmiths.
Security Upgrades
Anti-snap cylinders, multipoint locks and door reinforcement across London.
London Areas We Cover
Click your area for local locksmith information, or call us directly.
London Locksmith FAQs
How quickly can a London locksmith reach me?
Our London locksmiths aim to reach you within 30 minutes anywhere in Greater London. We have engineers stationed across all 32 boroughs, so response times are fast day or night.
Do you cover all London boroughs?
Yes — we cover every London borough including Westminster, Camden, Hackney, Tower Hamlets, Southwark, Lambeth, Wandsworth, Hammersmith, Kensington, Islington and all outer London areas.
Are your London locksmiths DBS checked?
All our London technicians are fully DBS checked, carry public liability insurance and hold official Keys4U identification. We are Which? Trusted Traders and ISO 9001 certified.
Do you charge a call-out fee in London?
No. We do not charge a call-out fee anywhere in London. You only pay for the work carried out, and you'll always receive a fixed quote before we start.
Can you help after a break-in in London?
Yes — we provide emergency boarding and lock replacement after burglaries across all London areas. We respond fast and can secure your property the same day.
Certified, Vetted & Trusted
Every Keys4U locksmith is fully accredited, insured and background checked. We hold the highest industry certifications so you can book with complete confidence.
Which? Trusted Trader
Consumer EndorsedEndorsed by the UK's leading consumer champion. All our engineers are vetted and approved.
Which? Trusted Trader
Which? TrustedEndorsed by Which? — the UK's leading consumer champion for trusted tradespeople.
Checkatrade Verified
Verified TraderListed on Checkatrade with thousands of independently verified customer reviews.
DBS Checked Engineers
Background CheckedEvery locksmith on our network is fully DBS (Disclosure & Barring Service) checked.
Fully Insured
InsuredAll work is covered by full public liability insurance for your complete peace of mind.
BS3621 Certified
British StandardWe supply and fit British Standard BS3621 approved locks — required by most UK insurers.
London's Trusted Locksmith — 24/7
Emergency lockout? Lock change? Security upgrade? Our London locksmiths are ready now.