Security Upgrades
Most burglaries happen through doors and windows with basic or worn locks. A LockSub locksmith can check your property and suggest practical, proportionate upgrades.
4.8/5 on Trustpilot
3 years' trading history minimum
Public liability insurance
Proven customer satisfaction
Verified profile and photo ID checked
Upgrades we commonly fit
- Anti-snap euro cylinders
- British Standard mortice deadlocks
- Door chains, limiters and London bars
- Window locks and patio door security
- Extra locks for garages and sheds
How we solve it
Your locksmith will look at each entry point and recommend changes that make a real difference, not upsell. You choose what to go ahead with.
How your locksmith helps
- Step 1
Walk-round
Doors, windows and outbuildings are checked.
- Step 2
Recommend
Options are given with clear prices.
- Step 3
Fit
The upgrades you choose are fitted.
Why choose LockSub
- Front, back and patio doors
- Window locks
- Garages and sheds
- Advice on insurance requirements
- Every locksmith ID-checked and insured
- Rated 4.8/5 on Trustpilot
Security Upgrades: common questions
What's the single best upgrade?
For uPVC and composite doors, an anti-snap cylinder. For timber doors, a BS3621 mortice deadlock.
Related services
- Anti-Snap Locks — Protect uPVC and composite doors from lock snapping.
- British Standard Locks — BS3621 and kitemarked locks that meet insurance requirements.
- Garage Door Locks — Up-and-over, roller and side-hung garage locks.
- Burglary Repairs — Make your property secure again after a break-in.
Security Upgrades near you
Available in every UK town and postcode area.
Need a locksmith now?
Speak to us 24/7. We'll send the nearest LockSub approved locksmith.