Knowledge Base
Locksmith Guides & Advice
Expert guides on car key replacement costs, lost key emergencies, transponder technology, ignition faults and more — written from the workshop by Experts Auto Locksmith.
All Articles
Guides Written by Our Master Locksmith
- Price Guides
Car Key Replacement Cost in the UK: 2026 Price Guide
From £20 for a basic blade to £450+ for a BMW smart key at a dealer — current prices by key type and brand, with a straight comparison of locksmith versus dealer costs.
1 July 20269 min readRead article → - Emergency Advice
Lost Your Only Car Key? Exactly What to Do Next
A step-by-step guide for when there is no spare: immediate actions, why all-keys-lost programming costs more, what documents a locksmith needs, and realistic costs.
1 July 20268 min readRead article → - How It Works
How Do Transponder Keys Work? Car Immobilisers Explained
The chip, the coil, the ECU handshake — how a passive RFID chip that draws no battery power stops your car from being stolen, and why a cut-only key will not start a modern vehicle.
1 July 20269 min readRead article → - Comparisons
Car Key Programming: Dealer vs Auto Locksmith (2026 Comparison)
Side-by-side on price, turnaround time and equipment. An honest look at when a mobile locksmith is the better choice and the situations where the dealer genuinely wins.
1 July 20269 min readRead article → - DIY Fixes
Key Fob Not Working? 7 Common Causes and How to Fix Each One
Start with the battery — it fixes most fobs. Then work through signal interference, desync, water damage and receiver faults to find which problem you actually have.
1 July 20269 min readRead article → - Troubleshooting
Car Key Won't Turn in the Ignition? A Repair vs Replacement Guide
In most cases it is the steering column lock under load — a 30-second fix. This guide covers all six causes, how to diagnose key wear versus barrel wear, and current UK costs.
1 July 20268 min readRead article →
