The four types of key, and what each costs
Every price conversation in this trade comes down to one question: which of these four is sitting in your pocket?
- Basic transponder key (£70–£180). A cut blade with a chip in the plastic head, no buttons. Common on cars from roughly 1998 to the mid-2000s, and still found on entry-level models much later. Cheapest key there is.
- Remote or flip key (£100–£250). Adds lock/unlock buttons and, on flip keys, the spring-out blade. More electronics, more to program.
- Smart / keyless proximity fob (£150–£400). The kind you leave in your pocket for push-button start. The part itself is expensive and the programming is more involved.
- All keys lost (£180–£550). Not a key type, but the situation that adds most to a bill — with no working key to copy, the key data has to be generated from the vehicle and the immobiliser reprogrammed.
Our published prices, by key type
These are live from our published price list — the same numbers Jude quotes on the phone. Your reg turns the range into one fixed number before the van moves.
| Key type | Our price |
|---|---|
| Spare chip key — cut & programmed (working key in hand) | from £70 |
| Remote / flip key | £100 – £250 |
| Smart / keyless proximity key | £150 – £400 |
| All keys lost — new key from the vehicle itself | £180 – £550 |
For an outside sanity check: Checkatrade’s published cost data for our area puts replacement car keys from £141, transponder keys at £240–£280 and high-end smart keys at £595+. Our published price list sits at or below those figures.
Your reg gets you one fixed number — usually back within minutes.
Why car keys cost what they do
People often assume they’re being had. They’re usually not — here’s where the money actually goes. The blank itself is a real electronic component, and quality matters: cheap clones fail. The cutting takes a computerised machine, because modern blades are milled with tracks and depths a hardware-shop machine can’t reproduce. The programming requires diagnostic equipment costing thousands, plus ongoing manufacturer-level software subscriptions, and increasingly, secure-gateway access for newer vehicles. And the mobile bit means all of that arrives at your driveway rather than you arriving at a workshop.
The single biggest way to pay less
Get a spare while you still have a working key. It sounds like a sales line; it’s arithmetic. With one key in hand, a spare is a straightforward copy-and-code job from £70. Lose that last key and the same car becomes an all-keys-lost job at £180–£550, plus a stranded afternoon. Making a spare today is the cheapest insurance in motoring, and roughly half the emergencies we attend begin with “we’d been meaning to get one.”
Three things that should make you suspicious
A “from £49” callout price. Nobody replaces a modern car key for £49; that number exists to get a van on your drive before the real price appears. A refusal to quote from your registration. Your reg lets any competent locksmith identify the car and narrow down its key system (some models had more than one variant, which we confirm before travelling), so “we’ll have to see it first” usually means “we’ll price it once you have no other options.” No proof-of-ownership check. If they’ll cut a key to your car without checking who you are, they’ll do it for whoever asks next.
Our version: tell us the reg and what’s happened, and you get one fixed price before the van moves — and it’s the price you pay when we arrive.
Two pages that pair with this one: our key programming explainer covers why “programming” means different jobs on different cars, and the lost keys guide walks through what to actually do when the worst has happened.
Cost questions, answered straight
How much is a replacement car key in the UK?
Expect £70–£180 for a spare chip key, £100–£250 for a remote or flip key, £150–£400 for a keyless smart fob, and £180–£550 if every key is lost. Main dealers typically charge roughly double, plus recovery if the car can't be driven to them.
Why is a car key so expensive compared to a house key?
Because you're not buying metal, you're buying electronics and access. The key contains a transponder chip (and often a battery-powered remote), and it has to be electronically married to your car's immobiliser using equipment that costs thousands and needs manufacturer-level software subscriptions.
Is it cheaper to get a car key from a locksmith or a dealer?
A locksmith, in almost every case — usually well below dealer pricing — see the Checkatrade benchmark on this page — same day, and at your location rather than theirs. The dealer is the right call only in rare cases, such as a vehicle still under a warranty or lease condition that requires dealer-logged key work.
Can I buy a car key online and get it programmed?
Sometimes, but be careful: many cheap online keys are the wrong frequency, locked to a previous vehicle, or poor clones that fail within months. We'll tell you honestly whether yours is usable — and our supplied-and-programmed price often beats a wasted online purchase plus a callout.
