Caterham 420: what service & repairs should cost
Researched fair prices for the Caterham 420 at UK independent garages: a full service should run £220–£400, front discs and pads £190–£410. If a quote lands well above these ranges, ask why before you book.
Caterham 420 fair price list
Typical prices at UK independent garages, parts and labour included. Main dealers commonly charge 50-85% more for identical work. Prices updated July 2026.
| Job | Fair independent price |
|---|---|
| Full service | £220–£400 |
| Interim service | £130–£250 |
| Front brake pads | £90–£210 |
| Front brake discs + pads | £190–£410 |
| Rear brake pads | £80–£190 |
| Rear brake discs + pads | £170–£370 |
| Brake fluid change | £50–£100 |
| Wheel alignment | £60–£150 |
| Clutch replacement | £500–£950 |
| Timing chain | £500–£1050 |
| Spark plugs | £70–£160 |
| Battery (12V) | £80–£180 |
| Alternator | £250–£550 |
| Drop links (pair) | £80–£190 |
| Shock absorbers (pair) | £320–£750 |
| Ball joints (pair) | £150–£360 |
| Front wheel bearing | £120–£290 |
| Diagnostic check | £50–£110 |
| Exhaust section | £160–£470 |
This model uses a timing chain rather than a belt, so there is no scheduled replacement. Chains can still stretch at high mileage, a rattle on cold start is the classic warning, and the range above is what a replacement costs if it ever needs doing.
These are researched ranges for the Caterham 420 range as a whole. Your exact engine, year and spec shift them, which is what the reg checker above resolves, it prices your actual car, then shows you fair-price approved garages near you.
Common questions
How much is a full service on a Caterham 420?
A full service on a Caterham 420 at a UK independent garage typically costs £220 to £400. Main dealers usually charge more for the same work.
How much are front brake discs and pads for a Caterham 420?
Front discs and pads fitted at an independent garage typically cost £190 to £410 for a Caterham 420. Pads alone are £90–£210.
Are these Caterham 420 prices accurate for my exact car?
They are researched ranges for typical Caterham 420 variants at UK independent garages. Engine, year and spec move prices, so enter your reg in the free checker above to see the range for your exact car.