If your annual boiler service is due, you might be wondering how much you should expect to pay.
A boiler service is one of the most important ways to keep your heating system running safely and efficiently. It can also help identify small problems before they turn into expensive repairs.
So, what should a boiler service cost in 2026?
Across the UK, a standard boiler service typically costs between £80 and £150, although prices can vary depending on your location, the type of boiler and whether you have a service plan.
Here’s everything you need to know before booking.
Boiler service costs at a glance
| Service | Estimated 2026 cost |
|---|---|
| Standard gas boiler service | £80–£150 |
| Oil boiler service | £120–£200 |
| Back boiler service | £100–£180 |
| Boiler service plan | £10–£25 per month |
| Landlord gas safety check + boiler service | £120–£250 |
These are average UK prices and may vary depending on the engineer and your location.
What affects the cost?
Type of boiler
Different boilers require different servicing procedures.
Common types include:
- Combi boilers
- System boilers
- Regular (conventional) boilers
- Oil boilers
Oil boilers generally cost more to service due to the additional checks involved.
Your location
Boiler servicing is often more expensive in:
- London
- South East England
- Large cities
Prices are usually lower in smaller towns and rural areas.
Service plan or one-off visit?
Many heating companies offer monthly service plans that include:
- Annual boiler service
- Priority call-outs
- Discounted repairs
- Parts (depending on the plan)
For some homeowners, these plans provide good value and predictable costs.
What does a boiler service include?
A professional boiler service usually includes:
✔ Visual inspection
✔ Checking for gas leaks
✔ Flue inspection
✔ Burner inspection
✔ Cleaning key components (where required)
✔ Pressure checks
✔ Safety control checks
✔ Boiler performance test
✔ Service record
The exact checks may vary depending on the boiler manufacturer and model.
How long does a boiler service take?
A standard boiler service usually takes 45–60 minutes.
Older boilers or systems that need additional checks may take slightly longer.
Why is a boiler service important?
Regular servicing helps to:
✔ Improve safety
✔ Identify faults early
✔ Maintain efficiency
✔ Reduce the risk of breakdowns
✔ Extend your boiler’s lifespan
✔ Help maintain the manufacturer’s warranty
Many boiler manufacturers require annual servicing to keep the warranty valid.
What happens if you skip servicing?
Missing a boiler service can increase the risk of:
- Unexpected breakdowns
- Higher energy bills
- Reduced efficiency
- Costly repairs
- Invalidating your warranty
- Safety issues
Regular servicing is usually much cheaper than emergency repairs.
Boiler service vs boiler repair
These are very different services.
Boiler service
A routine inspection designed to ensure the boiler is working safely and efficiently.
Boiler repair
Carried out when the boiler develops a fault or stops working.
Servicing helps reduce the likelihood of needing expensive repairs.
How to save money
Book before winter
Heating engineers are often busiest during the colder months.
Booking your service in spring or summer may give you more flexibility and help you avoid delays.
Compare several engineers
Always compare at least three quotes.
Ask whether the price includes:
- VAT
- Service certificate
- Flue inspection
- Cleaning
- Travel costs
Use a Gas Safe registered engineer
If you have a gas boiler, it should always be serviced by a Gas Safe registered engineer.
Frequently Asked Questions
Is £100 a reasonable price for a boiler service?
Yes.
Most homeowners pay between £80 and £150, making £100 a typical price for a standard gas boiler service.
How often should a boiler be serviced?
Most manufacturers recommend servicing your boiler once every year.
Can I service my own boiler?
No.
Gas boilers should only be serviced by a qualified Gas Safe registered engineer.
Does a boiler service include repairs?
No.
If faults are found during the service, repairs are usually quoted separately unless they’re covered by a maintenance plan.
Final thoughts
An annual boiler service is one of the simplest ways to keep your heating system safe, efficient and reliable.
With most services costing between £80 and £150, it’s a relatively small investment that could help prevent expensive repairs and extend the life of your boiler.
Before booking, compare local heating engineers, read genuine customer reviews and make sure the engineer is Gas Safe registered.
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Author: The Right Guy Team
UK service guides published by The Right Guy Ltd.