How Much Does a Boiler Service Cost in the UK in 2026?

Find out what a boiler service costs in 2026, what the price includes, and what can push the bill up or down.

A boiler service is one of those jobs most homeowners know they should get done every year but often put off. It keeps your heating running efficiently, satisfies your warranty conditions, and can catch small problems before they become expensive ones. But what should you actually expect to pay in 2026?

The short answer is somewhere between £70 and £150 for a standard annual service, though the figure varies depending on where you live, the type of boiler you have, and the engineer you hire. Here is a breakdown of what drives the price.

Typical Boiler Service Costs in 2026

For a standard gas combi boiler in good working order, most Gas Safe registered engineers charge in the following ranges:

• Basic annual service (gas combi boiler): £70 to £100
• Full service with a landlord gas safety certificate: £100 to £150
• Oil boiler service: £100 to £130
• LPG boiler service: £80 to £120
• System or heat-only boiler service: £90 to £130

London and the South East tend to sit at the top of these ranges. In the Midlands, North of England, Scotland, and Wales, you will often find prices 10 to 20 per cent lower than the capital.

What Does a Boiler Service Include?

A proper annual service is more than a quick visual check. A Gas Safe engineer should carry out a thorough inspection covering the following:

• Checking the boiler casing and controls for damage or corrosion
• Inspecting the heat exchanger, burner, and ignition components
• Checking the flue and ventilation for blockages or leaks
• Testing gas pressure and flow rate
• Checking the condensate pipe and trap
• Checking the expansion vessel pressure on combi and system boilers
• Running the boiler through its operating cycle and checking for faults
• Providing a service report or certificate

If the engineer needs to clean components or replace a minor part during the service, this may be included or charged separately depending on the job. Always ask upfront what is and is not covered.

What Affects the Cost?

Boiler age and condition

Older boilers often take longer to service because components may be corroded, harder to access, or require more cleaning. An engineer working on a 15-year-old boiler may charge more than one servicing a unit installed three years ago.

Boiler type and fuel

Gas combi boilers are the most common and the quickest to service, which partly explains why they tend to be at the lower end of the price range. Oil boilers require different tools and checks, and the engineer typically needs to inspect the oil tank and supply line too.

Location

Labour rates vary significantly across the UK. The same job that costs £80 in Stoke-on-Trent could cost £130 in central London. This is purely down to local market rates and travel costs.

Boiler cover or service plans

Many people pay for boiler cover through their energy supplier or a specialist provider. These plans often include an annual service at no extra charge. If you have a plan in place, check whether the service is included before booking separately.

Gas safety certificate

Landlords are legally required to have a gas safety check carried out every year by a Gas Safe engineer. Some engineers bundle this with a boiler service at a slight discount. Expect to pay £90 to £150 for the combined service and certificate.

When to Get Your Boiler Serviced

Most manufacturers and Gas Safe engineers recommend servicing your boiler once a year. The best time is late summer or early autumn, before the heating season starts in earnest. Booking in August or September means engineers are less busy, you are more likely to get a convenient appointment, and your boiler is ready for winter before the cold arrives.

If you have moved into a new property and do not know when the boiler was last serviced, get it done as soon as possible. A service report will tell you the current condition and flag any immediate concerns.

Can You Reduce the Cost?

A few straightforward approaches can help keep the bill down:

• Book in advance and avoid peak winter months when call-out rates are higher
• Use a local Gas Safe registered engineer rather than a national company with higher overheads
• Ask about combined service and safety certificate deals if you are a landlord
• Consider a boiler cover plan if you also want breakdown protection included

Do not be tempted to skip the service to save money. A neglected boiler runs less efficiently, costs more in energy bills, and is more likely to fail mid-winter when repair costs and waiting times are at their worst.

Red Flags to Watch Out For

If an engineer quotes significantly below the market rate, it is worth asking questions. Gas work is regulated in the UK and only Gas Safe registered engineers are legally permitted to work on gas appliances. Always check the engineer's Gas Safe registration number on the official Gas Safe Register website before they start any work.

A quote of £40 or £50 for a gas boiler service should raise concern. Either the job will be rushed, or the engineer is not properly registered.

Ready to Book a Boiler Service?

Finding a reliable, Gas Safe registered engineer in your area does not have to be complicated. Post your job on QuoteBank and get quotes from local tradespeople who have been reviewed by homeowners in your area. Compare prices, check reviews, and book with confidence.

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