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The average cost of servicing a
boiler in the UK is between £60 and £120
Pricing guides

How much does a boiler service cost?

The average cost for a boiler service in the UK is between £60 and £120. However, the final price can vary depending on the type of boiler and service required. Let's dive into the specifics.


Regular boiler servicing is crucial for keeping your heating system running smoothly and avoiding unexpected breakdowns. It involves a thorough check-up by a qualified engineer to ensure everything is functioning correctly. But what about the cost of boiler maintenance? This article provides the latest insights on boiler service pricing, accurate as of 2024.

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Average boiler service cost

When planning for the maintenance of your boiler, you want to be informed about the associated costs. In the UK, boiler service charges can vary. They are influenced by the type of boiler, its age, and the specific services required. 

Generally, for an annual standard boiler service in terms of cost, homeowners can expect to pay between £60 and £120. This service typically includes a basic inspection and maintenance. If you have an oil boiler, the cost may be slightly higher, ranging from £75 to £150. This is due to the additional expertise and work involved. Gas boiler services usually fall within the same range as standard boilers, costing between £60 and £120. For electric boilers, which often require less complex servicing, the costs are a bit lower, around £55 to £105. Back boilers, known for their challenging access points, can cost between £70 and £160 to service.

Based on current prices and labour rates, the table below breaks down average costs for the various tasks that a central heating engineer might complete during the course of a boiler service.
 

Service typeAverage cost range
Oil boiler service£75 - £150
Gas boiler service£60 - £120
Electric boiler service£55 - £105
Back boiler service£70 - £160


As noted, these figures are all ballpark averages based on existing pricing data. Get in touch with available heating engineers in your local area and request detailed quotes For a more accurate breakdown. 

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Boiler service cost breakdown

 

Cost of an oil boiler service


Servicing an oil boiler involves several specific checks to ensure it runs efficiently and safely. This includes cleaning the boiler, checking the oil levels and filters and inspecting the flue and combustion releases. It also involves checking that the fuel lines are clear and in good condition. Due to the additional complexity and expertise required for handling oil boilers, the service cost is slightly higher than standard boilers. The average cost for an oil boiler service in the UK ranges from £80 to £120. It is important to hire an OFTEC-registered technician for servicing oil boilers.



Cost of a gas boiler service


Gas boiler servicing is essential for the safety and efficiency of your gas heating system. This gas boiler service involves checking the gas pressure and flow, inspecting the heat exchanger, burner, and main injector, verifying the seals and fans, and checking for any gas leaks. In the UK, the cost for a gas boiler service typically ranges from £70 to £110. Always ensure that the service is performed by a Gas Safe registered engineer to stay safe and maintain compliance with safety regulations.



Cost of an electric boiler service


If you have an electric boiler, you’ll need an electric boiler service. The service includes checking the heating elements, thermostats, wiring, and electrical connections. Furthermore, the engineer will make sure that the system is free from limescale buildup, which is a common issue in electric boilers. The average cost for servicing an electric boiler in the UK is between £70 and £100. As electric boilers have fewer moving parts than gas or oil boilers, their servicing might be less intricate. However, it is still essential for efficiency and safety.



Cost of a back boiler service


Back boiler services are necessary for some older types of boilers, typically located behind a fireplace. The service includes checking the gas connections, the heat exchanger, and the flue system, along with a general inspection of the boiler and its controls. Given their unique placement and design, servicing a back boiler often requires a fair amount of effort and time. The cost for servicing a back boiler in the UK generally ranges from £80 to £150, depending on the boiler's condition and accessibility.

 

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How long does a boiler services take? 

The time taken to service a boiler can vary depending on the type of boiler and the complexity of the service required. Generally, a standard boiler service for a typical residential unit should take about an hour to complete. This includes a check of the boiler’s components, safety devices, and overall functionality. However, more complex or specialised boilers might require additional time due to their specific maintenance needs. Examples of these are oil boilers or back boilers. 

Here's a general timetable for different types of boiler services:
 

Heating engineer’s taskUsual timeframe
Standard boiler serviceApproximately 1 hour. This includes basic checks and routine maintenance tasks
Oil boiler serviceOil boilers require additional checks such as oil tank and filter inspection, which can extend the service time
Gas boiler service Around 1 hour. Involves thorough checks of gas pressure and connections, along with safety inspections
Electric boiler serviceAbout 1 hour. Given that electric boilers have fewer components, the service time is typically consistent with standard boilers
Back boiler service1 to 1.5 hours. The unique placement and complexity of back boilers often require a bit more time for a comprehensive service


It's important to note that these times are estimates. Actual service time can vary depending on the boiler's age, condition, and when it was last serviced. Also, if the engineer discovers any issues that require immediate attention, additional time may be needed to address these problems. Regular servicing, ideally once a year, ensures that your boiler remains efficient, safe, and less likely to break down, potentially saving you time and money in the long run.

 

How to reduce boiler service costs

A boiler service is that unavoidable returning cost to maintain a long lasting and good working boiler, but if you’re looking for ways to minimise your spend on servicing your boiler, check out these cost-reducing tips.

  • Regular maintenance: Keeping up with annual servicing can prevent more costly repairs.
  • Shop around: Get quotes from multiple engineers or companies to compare rates.
  • Service plans: Consider a service plan that includes annual servicing and potentially other benefits.
  • Energy efficiency grants: Check if you're eligible for government grants that cover boiler maintenance.
     

FAQ

 

How often should I service my boiler?


It is generally recommended to service your boiler once a year. This annual servicing helps ensure safe operation, maintains efficiency, and can be a requirement for keeping your warranty valid.



Can I service my own boiler?


It is strongly advised against servicing your own boiler unless you are a qualified and registered engineer. Incorrect servicing can lead to deadly safety hazards, inefficiency, and could invalidate your warranty or home insurance.



What happens if I don't service my boiler regularly?


Neglecting regular servicing can lead to decreased efficiency, higher energy bills, increased risk of breakdowns, potential safety hazards like gas leaks or carbon monoxide poisoning, and possibly voiding your warranty.



Is boiler servicing mandatory?


While not legally mandatory for homeowners, regular boiler servicing is crucial for safety, efficiency, and maintaining the validity of any existing warranty. For landlords, annual gas safety checks (which include boiler servicing) are a legal requirement.



What does a boiler service include?


A standard boiler service includes checks for gas/oil leaks, inspection of key components (burner, heat exchanger, flue system), testing of safety devices, checking the operating pressure and temperature, ensuring the system is properly ventilated, and cleaning parts if necessary.



How long does a boiler service take?


A typical boiler service takes about an hour. However, this can vary based on the boiler type and the specific services required.



What is the difference between a boiler service and a gas safety check?


A boiler service is a detailed check of the boiler to ensure it is safe and running efficiently. A gas safety check is a broader inspection that covers all gas appliances in the property, including the boiler, to ensure they are safe to use.



Can a boiler service detect carbon monoxide leaks?


Yes, part of the boiler service includes checking for any issues, such as leaks, that could lead to carbon monoxide production. However, installing a carbon monoxide detector in your home is also crucial for safety.



What qualifications should a boiler service engineer have?


For gas boilers, the engineer should be Gas Safe registered. For oil boilers, they should be registered with OFTEC. Always check the engineer's credentials before hiring.



Will boiler servicing reduce my energy bills?


Regular servicing can improve the efficiency of your boiler, which in turn can lead to reduced energy consumption and lower bills.



What are the signs my boiler needs servicing?


Indicators include strange noises from the boiler, lower heating efficiency, higher energy bills, the boiler turning off unexpectedly, or visible wear and tear.



Does boiler servicing include repairs?


Servicing generally does not include repairs. If issues are detected during the service, the engineer will advise you on the necessary repairs and their costs.



How can I prepare for a boiler service?


Ensure clear access to the boiler. Furthermore, check that your boiler documentation is available, Also, note down any issues or questions you have beforehand.



Is there a best time of year to service my boiler?


It is often best to service your boiler in the spring or summer when engineers are less in demand and you’re less reliant on your heating.



What should I do if a problem is found during the service?


If a problem is identified, discuss it with the engineer. They can provide advice on the next steps, whether it's immediate repairs or scheduling further work.

 

Your boiler service checklist

When planning for your boiler service, it is smart to have a checklist to ensure you are fully prepared and can manage the costs effectively. Just follow the following steps:

  • Start by researching the average cost of boiler servicing in your area. Obtain quotes from multiple service providers to compare prices and services offered.
  • Ensure the engineer is properly qualified. Gas Safe registered for gas boilers and OFTEC registered for oil boilers.
  • Clarify what the service includes. A standard service typically involves checks for leaks, pressure tests, and inspections of key components. Knowing what is included can help you assess the value and prevent unexpected charges.
  • Ask if there could be any additional costs, e.g. parts or extended labour, in case they find issues during the service.
  • If available, consider annual service plans offered by utility providers. These can be more cost-effective and provide peace of mind with regular maintenance.
  • Ensure easy access to your boiler and have any previous service records handy. This saves time and potentially reduces labour costs.
  • Set aside a contingency fund for any unexpected repairs that might be identified during the service.
  • Check if any new parts installed during the service come with a warranty, providing additional value and protection.
  • Discuss with the engineer any concerns about your boiler's efficiency and ask for tips on improving it. This will save money in the long run.
  • After the service, ensure you receive a detailed report or certificate outlining what was done. This is specifically important for warranty purposes and future reference.


Hopefully, you now have all the information you need to price up and purchase your new boiler. To find a qualified local heating engineer quickly and easily, try our matchmaking system today.

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