A boiler service in the UK typically costs £80–£120 for a gas boiler, with an average price of around £100.
But how much does a boiler service cost for your home?
The final boiler service price depends on your boiler type, where you live and who you hire. Repairs and replacement parts can also add to the bill.
Before booking, it's worth understanding the average boiler service cost, what's included and how to avoid paying more than necessary.
👉 Typical gas boiler service: £80–£120
👉 Average cost: Around £100
👉 Recommended frequency: Once a year
👉 Repairs and replacement parts: Usually cost extra
How Much Does a Boiler Service Cost in the UK?
The boiler service cost in the UK depends mainly on whether you have a gas, oil or electric boiler. Here's a quick comparison of what you can expect to pay for a standard one-off service.
Boiler type | Typical service cost | Average cost |
Gas boiler | £80–£120 | £100 |
Oil boiler | £75–£110 | £92.50 |
Electric combi boiler | £70–£110 | £90 |
These are estimated prices for routine servicing. Repairs and replacement parts usually cost extra.
How Much Does a Gas Boiler Service Cost?
The typical gas boiler service cost is £80–£120, averaging around £100. This is a useful guide for combi, system and conventional gas boilers.
Gas boiler servicing must be carried out by a Gas Safe registered engineer
How Much Does an Oil or Electric Boiler Service Cost?
An oil boiler service typically costs £75–£110, while an electric combi boiler service costs around £70–£110.
However, oil servicing can be more expensive. A 2026 UK price survey found a median of £157, although this covered only 14 firms.
What Is the Average Cost of a Boiler Service?
The average boiler service cost for a gas boiler is around £100. A recent survey of 120 heating firms found a slightly lower median of £95.
So, if you're wondering how much should a boiler service cost, budgeting around £100 for a gas boiler is a sensible starting point.
Your final quote will depend on your location, engineer and whether additional work is needed.
What Affects the Price of a Boiler Service?
Your boiler service price can vary depending on a few things:
Boiler type: Gas, oil and electric boilers have different servicing needs.
Age and condition: Older boilers or those with existing problems may need extra attention.
Location: Engineers in London and other high-cost areas may charge more.
Service provider: Independent engineers and national companies often have different rates.
Accessibility: A boiler that's difficult to reach may take longer to inspect.
If repairs are needed, these will usually cost extra.
What Does a Boiler Service Include?
A standard boiler service usually takes 40–60 minutes. During the visit, your engineer will:
Check safety: Inspect the boiler, flue and ventilation.
Test performance: Check heating controls and boiler operation.
Look for problems: Check for leaks, corrosion or damaged parts.
Clean components: Clean relevant filters or parts where needed.
Record the service: Provide a service record and recommend any repairs.
Replacement parts and repairs usually cost extra.
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How Often Should You Service a Boiler (Is It Worth It?)
You should service your boiler once a year, or as recommended by its manufacturer. The Health and Safety Executive (HSE) also strongly advises annual gas boiler servicing.
With an annual boiler service cost of around £80–£120 for a typical gas boiler, it's worth budgeting for. Regular servicing helps catch problems early, supports efficient operation and reduces the risk of unexpected breakdowns.
Do You Have to Service Your Boiler Every Year?
If you own and live in your home, an annual boiler service isn't usually a legal requirement. However, the Health and Safety Executive (HSE) strongly recommends servicing gas appliances at least once a year.
Boiler Service vs Gas Safety Check: What’s the Difference?
A boiler service checks the boiler's condition, safety and performance. A gas safety check focuses on whether gas appliances and flues are safe to use.
If you're a landlord, you must arrange an annual gas safety check and ensure gas appliances are properly maintained. A safety check doesn't automatically replace a full service.
Will Skipping a Boiler Service Void Your Warranty?
It can. Many manufacturers, including Worcester Bosch, require annual servicing to keep their warranties valid.
Missing a service could affect future warranty claims. So, keep your service records and check your manufacturer's specific terms.
Annual Boiler Service Cost: One-Off Service or Yearly Plan?
You can pay for a boiler service once a year or choose a maintenance plan with regular payments. But which works out cheaper?
Option | Typical cost | What's included |
One-off service | £80–£120 | Annual service only |
Service-only plan | Varies by provider | Scheduled servicing, usually without repairs |
Boiler cover | £183/year on average | Servicing and some repair cover |
The boiler-cover average comes from Which?'s 2025 survey.
Gas boiler maintenance plans offer convenience, but they're not always cheaper. Before signing up, compare the full annual boiler service price, repair exclusions, excess fees and renewal costs.
If your boiler is reliable, paying for a one-off service each year may save you money.
Boiler Maintenance Cost: What Else Might You Pay?
Your boiler maintenance cost can increase if the engineer finds a problem during servicing. Additional charges may include:
Replacement parts: For worn or damaged components.
Repairs: Labour and parts needed to fix faults.
Call-out fees: Extra charges for emergency visits.
Diagnostic checks: Further testing to identify a problem.
Always ask for a quote before agreeing to extra work.
How to Avoid Overpaying for a Boiler Service
Looking up gas boiler service near me prices? Don't settle for the first quote. Here are a few ways to save:
Compare quotes from at least three local engineers.
Check the engineer's Gas Safe registration.
Ask whether the boiler service price includes VAT and all standard checks.
Confirm any extra charges before agreeing to repairs.
Compare one-off servicing with yearly plans before committing.
Bottom line: A fair boiler service price isn't just about finding the cheapest quote. It's about knowing what's included, choosing a qualified engineer and avoiding unnecessary costs.
Frequently Asked Questions
How Long Does a Boiler Service Take?
A standard boiler service usually takes 40–60 minutes. Older boilers or those needing extra checks may take longer.
How Much Is a Boiler Service in London?
The average boiler service price in London was around £102 in a small October 2026 survey. Your actual quote may vary.
Is It Cheaper to Service a Boiler in Summer?
Not necessarily. However, engineers may have more availability during warmer months, making it easier to book.
Does a Boiler Service Include a Written Report?
Yes, you should receive a service record showing the checks completed and any problems found. Keep it for your warranty.
What Happens If My Boiler Fails a Service Check?
The engineer will explain the problem and whether repairs are needed. If the boiler is unsafe, it may need to be switched off until repaired.
Sharieaz Kavier
David Price