Boiler Service Cost Guide
A boiler service in the UK usually costs between GBP 80 and GBP 180 depending on the boiler type, location, and whether the visit is a routine service or tied to fault checks. This guide covers realistic 2026 service prices, what affects the cost, common extras, and what to check before booking a heating engineer.
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Quick Cost Summary
Prices are indicative and vary by location, property type, and specification. Always get at least three quotes.
Types of Boiler Service
Combi Boiler Service
The most common service type in many UK homes. A routine combi service is usually the cheapest because the system is compact and familiar to most heating engineers.
Pros
- Usually the lowest service cost
- Fast routine annual maintenance
- Widely supported by engineers
Cons
- Faults or poor access can still raise the bill
- Older models may need extra checks
Best for: Most homes with a standard modern combi boiler
System or Heat-Only Boiler Service
System and regular boilers often have more associated components, which can make the service slightly longer and a bit more expensive.
Pros
- Good for multi-bathroom homes
- Service supports long-term reliability
- Helps identify component wear early
Cons
- May take longer than a basic combi service
- Older systems can lead to extra recommendations
Best for: Homes with stored hot water systems or older heating layouts
Boiler Service with Gas Safety Check
Some appointments combine a normal service with landlord or compliance checks, which increases the total cost slightly.
Pros
- Combines two visits into one
- Useful for landlords and property managers
- Can be more efficient overall
Cons
- Costs more than a service alone
- Paperwork requirements must be correct
Best for: Rental properties or homes needing both maintenance and certification
The price depends mainly on the boiler type and whether the appointment is a straightforward annual service or a more involved check with extra testing.
What Affects the Cost
- Boiler type and age
- Brand and ease of access for servicing
- Whether it is a routine service or a more fault-led visit
- Location and regional labour rates
- Whether a gas safety certificate is also needed
- Whether parts or extra testing are required on the day
Labour Cost Breakdown
Labour is typically 30–50% of the total installation cost. The complexity of the job determines how long it takes.
What Is Usually Included
- Boiler casing inspection and internal visual checks
- Basic flue and combustion safety checks
- Component inspection and cleaning where appropriate
- Operational testing and performance checks
- Service record update where applicable
Extra Costs to Expect
These aren't always required, but it's worth knowing about them before you get quotes.
Running Costs & Potential Savings
A boiler service is a maintenance cost rather than a major upgrade, but regular servicing can help keep the system running efficiently and reduce the chance of more expensive repairs later on.
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Get Free QuotesWhat to Check Before Hiring
Use this checklist when getting quotes to make sure you're hiring the right person at the right price.
- Confirm the engineer is Gas Safe registered
- Ask whether the price is for a routine service only
- Check if a gas safety certificate is included or extra
- Confirm the make and model can be serviced
- Ask what happens if faults are found during the visit
- Make sure the service record will be updated
Frequently Asked Questions
How much does a boiler service cost in the UK?
A routine service is often under GBP 150, although more complex systems or combined certification visits can cost more.
How often should a boiler be serviced?
Most boilers are serviced annually to help maintain safety, efficiency, and warranty cover.
Is a boiler service the same as a repair?
No. A service is routine maintenance, while a repair deals with faults or breakdowns that usually cost extra.
Do landlords need a boiler service every year?
Landlords usually arrange annual gas safety checks, and many also combine them with a boiler service for better maintenance.
How long does a boiler service take?
A routine service often takes under an hour, but more complex systems or extra checks can take longer.
What can increase the service cost?
Older boilers, difficult access, combined certification, and any faults found during the visit are common reasons for higher costs.
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