UK · Price guide
How Much Does Timing Belt Replacement Cost in the UK?
Typical range
£350 — £700
A timing belt replacement in the UK typically costs £350 to £700 including parts and labour. Most mechanics recommend changing the water pump and tensioner at the same time as they share the labour cost.
What this estimate assumes
A timing-belt kit replacement on a mainstream four-cylinder UK car with normal engine-bay access, including the tensioner and standard workshop labour.
The correct interval and labour time are model-specific. Use the registration or VIN when requesting quotes and follow the manufacturer schedule rather than a generic mileage rule.
Typical cost breakdown
- Belt kit and tensioners
- £100–£250
- Labour
- £250–£500
- Water pump when sensible
- £50–£200 extra — Often economical when it shares the same labour.
Usually included
- A branded timing-belt kit and tensioner
- Removal and refitting labour
- Timing checks, normal consumables and VAT
- A basic post-repair road test
Usually costs extra
- Engine repairs after a broken belt
- Auxiliary-belt or coolant-system repairs not agreed
- Recovery or courtesy-car charges
- Difficult access on specialist or premium vehicles
What affects the price
- Car make and model — access varies significantly
- Whether the water pump is replaced at the same time
- OEM vs aftermarket kit
- Labour rates — London and the South East highest
- Whether tensioners and idlers are included in the kit
Red flags to watch for
- No mention of the water pump
- Kit-only quote with no branded parts specified
- No warranty on parts or labour
Questions to ask your provider
- Is the water pump included?
- What brand of timing belt kit are you fitting?
- What warranty covers the belt and pump?
- How long will the car be off the road?
Frequently asked questions
How often should the timing belt be replaced?
Typically every 60,000–100,000 miles or every 5 years, whichever comes first — check your service book.
What happens if the belt snaps?
On an interference engine, valve and piston damage — often a £1,500+ repair. That is why the belt is a preventative job.
Is a timing chain the same as a timing belt?
No. Chains use different parts, labour and service guidance. Confirm which system your exact engine uses before accepting a quote.
Why change the water pump at the same time?
On many engines the belt must be removed to reach it. Replacing an ageing pump then can avoid paying much of the same labour twice.
Sources and methodology
Reviewed 27 September 2026. Prices vary by specification, access, materials and local labour rates.
- RAC timing belt replacement guide — UK average cost and maintenance guidance.