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Boiler Not Serviced for 5 Years, What Should I Do?

Has it been five long years since your boiler received its last service? If so, you might be wondering what steps you should take to ensure the continued safety and efficiency of your heating system.

In this article, we’ll explore the potential risks of neglecting boiler servicing and provide you with valuable guidance on what to do if your boiler has not been serviced for five years. So, let’s dive in and address your concerns head-on!

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What Is a Boiler Service?

A boiler service is a comprehensive inspection and maintenance procedure performed by a qualified heating engineer. It involves a thorough examination of your boiler to ensure it is functioning correctly and safely.

During the service, the engineer will clean and test various components, identify any potential issues, and make necessary adjustments or repairs to keep your boiler in optimal condition.

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What Happens If I Miss My Annual Boiler Service?

If you miss your annual boiler service, which includes the gas safety check, it can have several consequences and potential risks. Here are some important points to consider:

The annual boiler service ensures that your gas appliances, including the boiler, are operating safely. During the service, a qualified gas engineer examines various components, checks for leaks, and verifies the correct functioning of safety devices. By missing the service, you may overlook potential gas-related hazards.

After successful boiler service, the gas engineer will provide you with a Gas Safety Certificate. This document confirms that the gas appliances have been inspected and are considered safe to use. Without this certificate, you might face difficulties in proving the safety of your gas appliances, particularly if you plan to sell your property or rent it out.

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Arrange boiler service quickly for the benefits

A well-maintained boiler operates efficiently, consuming less energy and leading to lower energy bills. By missing the annual service, your boiler’s performance might decline, resulting in increased energy consumption and higher bills.

Carbon monoxide (CO) is a highly dangerous gas that can be produced by faulty gas appliances. During the annual service, the engineer checks for any potential CO leaks and ensures the safe removal of combustion gases. If left undetected, CO can lead to carbon monoxide poisoning, which can be fatal. Regular servicing helps prevent such risks.

Over time, boilers can experience wear and tear. Regular servicing helps identify and address issues before they escalate, ensuring that your boiler operates optimally. Without the annual service, problems may go unnoticed, resulting in reduced efficiency, poorer heat output, or even a complete breakdown.

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“My Boiler Has Not Been Serviced for 5 Years – What Should I Do?”

Neglecting regular boiler servicing can lead to a variety of issues, including decreased efficiency, potential breakdowns, increased energy consumption, and even safety hazards. To avoid these complications, it’s crucial to take appropriate action if your boiler has gone unserviced for an extended period. Here are some steps you should consider:

Assess the Current Condition

Start by evaluating the current condition of your boiler. Look for any signs of malfunction, such as strange noises, leaks, or inconsistent heating. If you notice any alarming symptoms, it’s best to address them promptly by contacting a qualified heating engineer.

Engage a Professional

Contact a reputable heating engineer or a Gas Safe registered technician to inspect and service your boiler. A professional will have the expertise to identify potential issues, perform necessary repairs, and ensure your boiler is operating safely and efficiently. Remember, working with a qualified expert is vital for your peace of mind and the longevity of your heating system.

Maintain a Regular Servicing Schedule

Once your boiler is serviced, establish a regular servicing schedule. Most manufacturers recommend an annual service to maintain optimal performance and safety. By adhering to this schedule, you can catch any emerging problems early on, preventing costly breakdowns and prolonging the lifespan of your boiler.

Monitor Carbon Monoxide (CO) Levels

Carbon monoxide is a silent and potentially deadly gas that can leak from faulty boilers. Installing a carbon monoxide detector is essential to ensure the safety of your household. Regular servicing helps identify and rectify any issues that could lead to carbon monoxide leaks, but a detector provides an additional layer of protection.

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When Should You Get Your Boiler Serviced?

The recommended interval for a gas boiler service is typically once a year. However, certain factors may influence the frequency. If you haven’t had your boiler serviced in the last five years, it’s essential to schedule a service appointment as soon as possible. The qualified engineer will assess your boiler’s condition and advise you on the appropriate future servicing schedule.

if you are selling your home it is a good idea to service your boiler too for potential buyers.

Frequently Asked Questions (FAQs)

Is it safe to use a boiler that hasn’t been serviced for five years?

It is generally not recommended to use a boiler that has not been serviced for such a long time. Neglected boilers can develop faults, potentially compromising safety and efficiency. It’s best to have a professional inspection and service performed to ensure the safe operation of your heating system.

Is it possible to service a faulty boiler?

Yes, it is possible to service a faulty boiler. When a boiler develops a fault, it is important to address the issue promptly to prevent further damage or potential safety hazards.

A trained engineer can diagnose the problem and carry out the necessary repairs or adjustments during a boiler service. They will typically inspect and test various components, clean and adjust as required, and ensure the boiler is operating correctly.

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Can I service my boiler myself?

Boiler servicing involves complex tasks that require technical knowledge and expertise. It is strongly advised to hire a qualified heating engineer or a Gas Safe registered technician for the servicing process. They possess the necessary skills to identify and resolve potential issues, ensuring the safety and efficiency of your boiler.

How much does boiler servicing cost?

The average cost of boiler servicing can vary depending on factors such as your location, the type of boiler you have, and the service provider you choose.

On average, a boiler service can range from £100 to £150. However, it’s important to remember that the cost of servicing is a small investment compared to potential repairs or the need for a new boiler if problems are left unresolved.


Neglecting regular servicing of your boiler for five years can have significant consequences for its efficiency, safety, and longevity. To avoid potential hazards and costly breakdowns, it is essential to take proactive steps.

Engage a qualified professional to inspect, service, and maintain your boiler regularly. Monitor carbon monoxide levels, keep records of servicing, and adhere to warranty and insurance requirements. By prioritising boiler maintenance, you can ensure a safe, efficient, and reliable heating system for your home.

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