Combi Boiler Service Cost: An In-Depth Guide

April 20, 2023 | News

Cost of a combi boiler service


A combi boiler, short for combination boiler, is a popular heating system in the UK. It provides central heating and hot water in a single, compact unit. As a homeowner, it’s essential to maintain your boiler to ensure it runs efficiently and safely. In this article, we’ll dive into the combi boiler service cost, factors that affect it, and tips to save money.

Importance of Regular Combi Boiler Service

Regular servicing of your combi boiler can extend its lifespan, improve its efficiency, and reduce the risk of breakdowns. A well-maintained boiler can save you money on energy bills and help prevent carbon monoxide leaks, which can be lethal. In addition, servicing ensures that your boiler is running safely and complies with the manufacturer’s warranty requirements.

Factors Affecting Combi Boiler Service Cost

Type of Boiler

The cost of servicing your combi boiler may vary depending on its make and model. High-end boilers with advanced features may require more specialized servicing, increasing the cost.


Where you live can also impact the cost of your combi boiler service. Prices can vary depending on regional labour rates, demand, and competition among service providers.

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Service Provider

The cost of servicing your boiler may differ based on the service provider you choose. Established companies might charge more due to their reputation, while independent engineers may offer lower prices.

Boiler Age

Older boilers may require more repairs or replacement parts, increasing the overall service cost.

Average Cost of Combi Boiler Service

The average cost of a combi boiler service in the UK ranges from £80 to £150, including VAT. This price covers a standard service, which includes inspection, cleaning, and minor adjustments. However, it’s important to note that this price range may vary depending on the factors mentioned above.

Breakdown of Combi Boiler Service Cost

Labour Charges

Labour charges typically make up a significant portion of the service cost. You can expect to pay between £80 and £130 for labour, depending on the engineer’s experience and location.

Parts Replacement

If your boiler requires replacement parts, this will increase the service cost. Parts can range from £10 to over £100, depending on the component.

Additional Services

Additional services, such as powerflushing, may be necessary for some boilers, which can add to the service cost. Power flushing can cost between £600-£1200, depending on the size of your heating system.

Tips to Save Money on Combi Boiler Service

  1. Compare quotes: Obtain multiple quotes from different service providers to find the best price and service quality.
  2. Schedule regular services: Annual servicing can help prevent costly repairs and ensure your boiler runs efficiently.
  3. Bundle services: Some providers offer discounted rates when you combine boiler service with other home maintenance services, such as plumbing or electrical work.
  4. Consider a service plan: Some companies offer boiler service plans, which can help spread the cost of servicing over a year and include additional benefits like priority call-outs.

Choosing the Right Service Provider

When selecting a boiler service provider, consider the following:

  1. Experience and qualifications: Ensure the engineer is Gas Safe registered and has experience servicing your specific boiler model.
  2. Reviews and recommendations: Check online reviews or ask friends and family for recommendations.
  3. Availability and response time: Choose a provider who can schedule your service promptly and respond quickly to emergencies.

The Consequences of Skipping Boiler Service

Skipping boiler service can lead to:

  1. Decreased efficiency: An inefficient boiler will consume more energy, leading to higher utility bills.
  2. Increased risk of breakdowns: Neglected boilers are more likely to experience breakdowns and require costly repairs.
  3. Voided warranty: Many manufacturers require annual servicing to maintain the boiler’s warranty.
  4. Safety hazards: A poorly maintained boiler increases the risk of carbon monoxide leaks and other safety hazards.

Combi Boiler Service and Warranty

Many combi boiler manufacturers require annual servicing to maintain the warranty. If you fail to service your boiler as per the manufacturer’s guidelines, you may void the warranty, leaving you responsible for any repair costs.


Regular combi boiler servicing is essential for maintaining efficiency, safety, and the longevity of your boiler. While the cost of service can vary based on factors such as location, boiler type, and service provider, it’s a necessary investment to ensure your heating system remains in optimal condition. By comparing quotes, scheduling regular services, and choosing a reputable service provider, you can save money and enjoy peace of mind.


1. How often should I service my combi boiler?

It’s recommended to service your combi boiler annually to maintain its efficiency and safety.

2. Can I service my combi boiler myself?

No, only a Gas Safe registered engineer should service your boiler to ensure it meets safety standards and complies with the manufacturer’s warranty.

3. How long does a combi boiler service take?

A standard combi boiler service typically takes between 1 and 2 hours, depending on the boiler’s condition and any necessary repairs.

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