Boiler Service17 November 2023

How much does a boiler service cost?

How much does a boiler service cost?

When it comes to ensuring the efficiency, safety and longevity of your boiler, regular servicing is key. At Expert Heat, a family-run boiler installation, service, and repair company based in Wolverhampton, we understand that one of the burning questions on homeowners’ minds is, “How much does a boiler service cost?” So let’s take a look at what effects the cost of a boiler service.

Expert Heat’s Commitment to Transparency

At Expert Heat, we believe in transparency and honesty when it comes to our services and pricing. Our family values extend to the way we conduct our business, ensuring that our customers have a clear understanding of the costs associated with our boiler services.

Factors Influencing how much a Boiler Service Costs

  • Boiler Type and Model

    • The boiler make and model play a role in determining the service cost. Different boilers have varying complexities, and our experienced technicians are well-versed in servicing a wide range of brands, including Worcester Bosch and Baxi.
  • Service Provider Accreditation

    • As Worcester Bosch accredited installers and Baxi approved installers, our expertise is backed by industry recognition. Our accreditations and training ensure that we meet the highest standards in servicing these renowned brands.
  • Additional Parts:

    • Our transparent pricing model includes a service fee ranging between £99 and £150, plus any necessary parts required during the service. We prioritize communication, and our technicians will discuss any potential additional costs before proceeding with the service.
  • Gas Safe Registration:

    • Being Gas Safe registered is a non-negotiable aspect of our service. It ensures that our family of engineers is fully qualified to handle gas appliances, providing peace of mind to our customers.   

How much does a boiler service cost?

  • At Expert Heat, our boiler service costs are designed to be fair, transparent, and competitive. Our pricing structure ranges between £99 and £150 providing flexibility based on your boiler’s specific requirements.

Why Choose Expert Heat for Your Boiler Service:

Family-Run Values

    • Experience the warmth and personal touch of a family-run business. Our commitment to customer satisfaction is deeply ingrained in our family values.


    • Trust in our expertise as Worcester Bosch accredited installers and Baxi approved installers. Our accreditations reflect our commitment to quality service.

Transparent Communication

    • We prioritize transparent communication, ensuring that our customers are informed about service costs and any additional parts required.

Gas Safe Registered

    • Your safety is our priority. Our Gas Safe registration ensures that our engineers are qualified to handle gas appliances safely and professionally.

Annual boiler service reminders

    • We will remind you each year when your next boiler service is due.

What is a boiler service?

A boiler service is a thorough inspection, cleaning, and maintenance process conducted by a qualified professional to ensure that a boiler is operating safely, efficiently, and reliably. Regular boiler servicing is essential for several reasons, including safety, performance, and the prevention of potential issues. Here’s an overview of what typically happens during a boiler service:

1. Visual Inspection:

    • The engineer begins by visually inspecting the boiler and its components. This includes checking for any signs of wear, corrosion, or leaks. The inspection also covers the flue, controls, and external pipework.

2. Internal Inspection:

    • The engineer will open the boiler casing to inspect internal components. This involves examining key elements such as the burner, heat exchanger, and ignition system. Any potential issues, such as soot or scale buildup, are addressed during this stage.

3. Flue Gas Analysis:

    • The flue gases produced by the boiler are analyzed to ensure they fall within safe and efficient parameters. This step helps identify any combustion issues or the presence of harmful gases like carbon monoxide.

4. Cleaning:

    • Various components of the boiler, such as the burner and heat exchanger, are cleaned to remove debris, soot, or scale that could affect efficiency. Clean components contribute to optimal boiler performance.

5. Checking Controls and Settings:

    • The engineer verifies that all controls, including thermostats and pressure settings, are functioning correctly. They may also adjust settings to ensure the boiler operates at the recommended levels.

6. Testing Safety Devices:

    • Safety devices, such as pressure relief valves and safety cut-off switches, are tested to ensure they respond appropriately in the event of a malfunction. This is a crucial step in maintaining a safe operating environment.

7. Inspecting Pipework:

    • The engineer checks the pipework connected to the boiler for any leaks or signs of corrosion. They may tighten connections and address any issues to prevent water or gas leaks.

8. Efficiency Testing:

    • The overall efficiency of the boiler is tested to ensure it is operating at its best. This may involve measuring the efficiency of combustion and adjusting settings to optimize performance.

9. Documentation and Recommendations:

    • The engineer provides a service report detailing the work conducted, any issues identified, and recommendations for further action. This documentation is valuable for record-keeping and may be required for warranty purposes.

10. Customer Interaction:

    • Before leaving, the engineer typically engages with the homeowner, discussing the service findings, addressing any concerns, and providing advice on maintenance practices or potential upgrades.

Why is Boiler Servicing Important?


Regular servicing helps identify and address safety issues, such as gas leaks or carbon monoxide leaks, ensuring the safe operation of the boiler.


Cleaning and optimizing components improve the efficiency of the boiler, leading to lower energy bills and reduced environmental impact.

Preventive Maintenance

Addressing potential issues early on during servicing helps prevent costly breakdowns and extends the lifespan of the boiler.

Warranty Compliance

Some boiler warranties require regular servicing to remain valid. A documented service history is often necessary to claim warranty benefits.

Overall, a boiler service is a proactive measure that ensures your heating system operates reliably, efficiently, and safely. It’s recommended to schedule an annual boiler service to maintain the optimal functioning of your boiler. Always hire a qualified and Gas Safe registered engineer for boiler servicing

Expert Heat believe that understanding the cost of a boiler service should be as straightforward as our service itself. Our transparent approach, combined with family values and industry accreditations, sets us apart in the industry.

For a reliable, transparent, and competitively priced boiler service in Wolverhampton, trust Expert Heat. Contact us today to schedule your service and experience the Expert Heat difference.


Thermostat temperature controls


What happens if I don’t have my boiler serviced?

    • Neglecting to get your boiler serviced can lead to a range of issues, affecting both the performance of the boiler and the safety of your home. Here are potential consequences of not getting your boiler serviced regularly:

      1. Reduced Efficiency

      • Over time, boilers accumulate dirt, soot, and other deposits that can impede their efficiency. A lack of regular servicing can result in reduced energy efficiency, leading to higher energy bills as the boiler works harder to produce the same amount of heat.

      2. Increased Energy Costs

      • A less efficient boiler requires more energy to operate, leading to increased energy consumption and higher utility bills. Regular servicing helps maintain optimal efficiency, saving you money in the long run.

      3. Boiler Breakdowns

      • Without regular maintenance, minor issues that could be identified and addressed during a service may escalate into major problems. This increases the likelihood of unexpected breakdowns, leaving you without heating and hot water when you need it the most.

      4. Safety Hazards

      • One of the critical aspects of boiler servicing is the inspection of safety features and the detection of potential hazards. Neglecting service appointments can result in undetected issues, such as gas leaks or carbon monoxide leaks, posing serious safety risks to your household.

      5. Shortened Lifespan

      • Regular servicing helps identify and address wear and tear on components. Without this maintenance, the overall lifespan of the boiler may be significantly shortened. Replacing a boiler prematurely can be a costly endeavor.

      6. Voided Warranties

      • Many boiler manufacturers require annual servicing to maintain the warranty’s validity. Neglecting to get your boiler serviced could result in voided warranties, leaving you without coverage for potential repairs or replacements.

      7. Carbon Monoxide Poisoning

      • A poorly maintained boiler can produce carbon monoxide, a colorless and odorless gas that is extremely dangerous. Regular servicing includes checks for carbon monoxide leaks, providing crucial protection against this silent threat.

      8. Home Insurance Implications

      • Some home insurance policies may require evidence of regular boiler servicing. If your boiler causes damage due to lack of maintenance, your insurance claim may be at risk.

      9. Unreliable Heating and Hot Water

      • A neglected boiler is more likely to experience breakdowns, leaving you without a reliable source of heating and hot water. This can be particularly inconvenient, especially during colder months.

      10. Emergency Repairs

      Neglecting regular servicing may result in the need for emergency repairs. Emergency call-outs can be more expensive than planned maintenance, and finding an available engineer during peak times may be challenging.

      11. Replacing your boiler

      • lack of servicing can cause damage to your boiler sometimes leaving in a state of beyond economical repair. Below is a picture of a boiler that was not serviced for a number of years.


  • Leaking Heat Exchanger on a boiler


    • In summary, regular boiler servicing is crucial for maintaining efficiency, safety, and the longevity of your boiler. It is a proactive measure that not only helps you save on energy costs but also ensures a reliable and safe heating system for your home. Always prioritize annual boiler servicing by a qualified and Gas Safe registered engineer. This can reduce potential issues and keep your boiler in optimal condition

New boiler quote in less than 1 minute

New Boiler quote in less than 1 minute

Expert Heat Limited is an Introducer Appointed Representative (Financial Services Register No. 821170) of Phoenix Financial Consultants Limited (Phoenix). Phoenix is a credit broker, not a lender. Phoenix is authorised and regulated by the Financial Conduct Authority (FRN: 539195), and offers finance from its panel of lenders. All finance subject to status and credit checks.

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01902 475007
10 Burnham Avenue, Oxley, Wolverhampton, WV10 6DX

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Registered in England 13041778
VAT Number 367346079

Gas Safe Registered 539277

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