
A gas boiler service is a check-up and clean of a boiler by a Gas Safe registered engineer. This will include visual inspections inside and out of the boiler and flue to make sure things are safe, and also hands-on tests with gas testing equipment and tools.
Full Answer
How often should a gas boiler be serviced?
As with any gas appliance, you’ll want to get the boiler serviced annually. And you can pay for a one-off boiler service or cover the cost with an annual service plan. Gas boilers are the most common type, so these services tend to come in cheaper. But an LPG boiler service will typically only work out £10-£30 more [9].
What is a boiler service and what does it involve?
A boiler service is a yearly manual inspection of your water heater’s components, performed by a Gas Safe registered engineer. It involves maintenance of your boiler’s parts and inspecting the unit for faults or issues.
What happens during a gas safety check on a boiler?
What’s a gas safety check? During a gas safety check, an engineer checks all the gas appliances in your home – including your boiler – to make sure they’re operating safely. The clue’s in the name: the focus is on safety [3]. During a boiler service, the engineer will check your boiler and related parts – like the flue – are operating safely.
Is it a legal requirement to have a boiler serviced?
Since this could allow carbon monoxide to escape, which could make you ill or prove fatal. It’s not a legal requirement to have a boiler serviced annually – unless you’re a landlord then you need to at least have a gas safety check (see landlord boiler service, below).

What does a gas boiler service involve?
During a boiler service, the engineer will remove, inspect and clean the main components in the boiler to ensure they are fit for purpose and have no noticeable defects. This will include the main burner, heat exchanger, flue ways, and ignition pins.
Does a boiler service include radiators?
Annual boiler servicing is a set of checks undertaken by a certified engineer on your central heating system every year. Its purpose is to ensure that your boiler, radiators and other heating appliances continue to run safely and effectively.
What does a combi boiler service include?
Clean away any dirt or debris in the system, and repair or replace any damaged parts. Carry out an inspection of the internal components (e.g. heat exchanger, burner). Remove and clean the boiler casing (if required). Turn the boiler on, to make sure that it is working properly.
How long should a boiler service take?
A boiler service should last at least 30 minutes, but the time will vary depending on the brand and model. Afterwards, the engineer will likely give you a service report, explaining what they've done.
Is boiler servicing worth it?
The short answer is, yes it is. Even the best combi boilers need servicing. Not only will getting your boiler serviced to keep it safely ticking over, it also helps you cut down on your central heating costs, improve the energy efficiency of your home and, in the long term, save you money.
How often should a combi boiler be serviced?
once every 12 monthsThere's no right or wrong time to have your boiler serviced – as long as it's being serviced once every 12 months. While you can have your boiler serviced at any time of year, we highly recommend arranging one during the summer.
What happens if you don't service your boiler?
Your boiler will become less efficient, consume more energy, and increase the risk of catastrophic failure.
How much is a boiler service UK?
An annual gas boiler servicing costs between £60 to £90, with £75 being the UK average. During your boiler's service, a registered Gas Safe engineer will carry out a complete audit of your boiler, ensuring that everything is in working order, checking for any faults and if necessary cleaning essential components.
Do radiators need to be serviced?
If you have a radiator, you should perform some basic maintenance once a year to keep it in the best shape possible. The most important task is to “bleed” the radiator of any air that gets into the system. Even though the pipes are closed, air can escape from the water over time.
How often should radiators be serviced?
The expert recommendation is to have your system serviced once every twelve months.
Do you need new radiators with a new boiler?
In most cases, it is a good idea to replace the boiler anyway as this will provide heating for years. Even though modern radiators are made for efficiency, they won't last forever, but the boiler system can be used for other radiators over time.
Is a radiator an open or closed system?
The radiator should be analyzed as an open system, since water passes through the radiator, and thus mass passes through the boundary of the system.
What Is Boiler Service?
A boiler service is an annual check and test conducted to ensure that your boiler is working efficiently. It is a service all boiler manufacturers recommend. Your boiler warranty will be void if you do not service your boiler annually. Therefore, it is binding upon you to get your boiler serviced annually.
Why is it important to service a boiler?
You cannot overlook the importance of getting your boiler serviced annually as it can lead to various problems. One of the major problems is carbon monoxide poisoning. This can be dangerous for your family. You will also have to live without hot water and heating. An annual service will help ensure that you avoid all those problems.
What to check when removing a gas boiler?
When the engineer will remove the casing, he will check a couple of things. These include checking the heat exchanger, main injector, burner, and spark probe.
Why does my boiler make a strange noise?
Sometimes, the boiler makes strange noise not because it’s not functioning well but because of the wear and tear of the fan and pump. It is also a sign that you need to call an engineer for a boiler service. Unusual odour: When you smell an unusual odour that means the gas in the boiler is leaking.
What is the purpose of a boiler report?
This report will enable you to see all the problems (if any) in your boiler. The report will also guide you on how to look after your boiler so that it operates efficiently and effectively.
How long does a boiler last?
A well-maintained boiler can last for up to 15 years. With an annual boiler service, you can make you the boiler last even longer. Since a boiler is the most importance machine, it should be taken care of.
Can a gas safe engineer do boiler service?
Boiler service can only be carried out by a Gas Safe Register engineer. You cannot perform it on your own. You might also need a boiler service certificate for your record. A boiler certificate is a proof that the service is carried out by Gas Safe registered engineer and your boiler is safe to operate. Only a Gas Safe registered engineer can provide you with this certificate.
How Much Does a Boiler Service Cost?
These packages typically cost between £200 - £300 a year. Why not check out the best boiler insurance policies on the market?
When is the Best Time to Get a Boiler Serviced?
Whilst many people think the best time to get your boiler serviced is during the winter months, this is actually incorrect.
What isn’t included in a gas boiler service?
You’ll pay extra for any new appliances too – such as a new carbon monoxide detector. And obviously should your boiler be dangerous or too faulty to fix, you’ll need to pay for a boiler replacement.
What is a boiler service – and do I need one?
In the same way your car needs a regular check-up at the garage, your boiler needs a regular service. It gives you peace of mind that everything’s working properly. And it could help to prevent your boiler breaking down. Since an engineer should pick up on any faults before they become a problem (and more expensive to fix) further down the line.
What if my boiler has a fault?
If you’re worried your boiler isn’t working properly, you might want to consider a boiler repair instead. This way you can get the fault diagnosed and sorted straight away.
How long does a boiler service take?
It depends on what type of boiler you have and what checks your engineer carries out. How much you pay for a boiler service will also affect how long the engineer is at your property.
How much is a boiler service?
According to Which?, the average cost for a gas boiler service is £72. This should get you a thorough inspection of your boiler, with the engineer running through all the checks above. Obviously if the engineer finds any faults, expect to pay more.
What does it mean when a boiler light is blue?
An engineer will check the boiler is working correctly. For instance, that the pilot light is on and glowing blue (a yellow, orange red, purple or green flame indicates a problem). They’ll also check your boiler’s at the right gas pressure.
What to check when installing a boiler?
Also, expect the engineer to check the controls, the electrics and if the boiler is vented correctly. They’ll remove the boiler casing to look inside the boiler – and check all the components are working as they should. And they’ll likely carry out some sort of maintenance. For instance, removing any dirt or debris around the fan assembly. Checking the connections on the heat exchanger. And making sure all combustion seals are intact – this is a really important safety measure.
How much will a gas boiler service cost?
A gas boiler service is not expensive – 24|7 Home Rescue are charging £59.92 for a gas boiler service for a limited time and this also includes a health check (which also includes a carbon monoxide check and Gas Safe check ).
What happens when I service my gas boiler?
When you arrange a gas boiler service with 24|7 Home Rescue, a Gas Safe engineer will come to your home to fully and thoroughly inspect your boiler.
