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how long should a boiler last?
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How Long Should a Boiler Last?

There are lots of benefits to having a modern boiler. They heat your home quickly and in the most cost-effective way. On the other hand, older models are more likely to experience breakdown and often use more energy than necessary.

But just how long should a boiler last? In this post, we’ll discuss the typical lifespan of different boilers and some factors that come into play.

How long should a boiler last?

Different models of boilers will have different lifespans. As a general rule, you can expect a boiler to last anywhere from ten to fifteen years. If you regularly service your boiler, it may even last up to twenty years.

The older your boiler is, the less efficiently it will run. This can end up costing you in energy bills, but you may also find yourself forking out to replace parts over time, too.  If your boiler is older with an energy rating of ‘G’, it’s only operating at 70% efficiency.

If either of these are true, your boiler may be at the end of its lifespan. While it might be expensive to do replace your boiler, it’s more cost-effective than regularly calling out an engineer.

How can I tell my boiler’s age?

You can determine your boiler’s age by checking its make and model. Alternatively, look for the serial number. If neither of those routes work, you might want to contact the manufacturer.

It’s sensible to keep a full service history of your boiler, too, so that you can keep track of its age and function over time.

How to extend your boiler’s lifespan

Book an annual service

It’s good practice to book your boiler in for an annual maintenance service. A qualified professional will go over the machine to double check that it’s working properly, and can sort out any minor faults before they become more severe.

Plus, many manufacturers will cancel their warranty on your boiler if you don’t keep up with annual servicing.

It can be sensible to book in an annual service over the summer, to reduce risk of breakdown over winter.

Don’t delay repairs

If you notice any issues with your boiler, don’t delay calling out an engineer. If your boiler develops a fault, it’s sensible to get it fixed it as quickly as possible, so that the issue doesn’t get worse – and more expensive.

Bleed your radiators

Bleeding your radiators will help regulate the function of your central heating system.

If there’s air in your system, this can cause corrosion and damage in the long run. Look out if your radiators are cold at the top and hot at the bottom – this can be a sign of an issue.

You can also install inhibitors and filters, which can reduce the risk of corrosion.

Choose a high-quality boiler

If you have to replace your boiler, be sure to choose a high-quality option. The best models are more energy efficient, and less likely to break down over time.

Saving money in the short term on a cheaper machine may cause problems down the line.

How long can your boiler last?

If you’re concerned that your boiler is coming to the end of its lifespan, contact the team at Surrey Heating Specialists today. We’ll inspect your appliance and let you know the best course of action. We can also perform the necessary repairs to keep it running smoothly or provide an energy-efficient boiler replacement if needed.

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Great plumber came on time no mess good job
Response from the owner:Thank you so much for your kind words, Leona! We’re thrilled to hear that our plumber provided you with timely and tidy service. Your satisfaction means the world to us as a trusted, local business. If you need anything else, just let us know! Ryan Price - Owner Surrey Heating Specialists Thank You, Ryan Price
Superb service from first contact to job completion. Communicative, timely, expert engineer and zero flannel. Really good experience
Response from the owner:Thank you so much for your kind words, Graham! We're thrilled to hear that you had a superb experience with our service. Communication and expertise are top priorities for us, and it's great to know we met your expectations. We appreciate your support for our local community-based business! Best regards, Ryan Price - Owner Surrey Heating Specialists Thank You, Ryan Price
Excellent and efficient service and very caring staff.
Response from the owner:Thank you Anita, great to see you happy with our service, will pass it to the team.
A great experience to getting my boiler fixed and serviced by Surrey Heating Specialists - only downside is that the struggle in not being able to tell me the full price when asking to book an engineer and getting my name wrong as well as my address which was a bit of a struggle to getting right.
Response from the owner:Hi Umer, Thank you for your feedback — I really appreciate it. Just to clarify, it’s very difficult for us to give an exact repair cost before attending, as we simply don’t know the fault until we’ve carried out the diagnostic. That’s why we have the £50 + VAT diagnosis fee, and why we explained the minimum charge for the first two hours if the repair can be completed there and then. We did send the call-out terms via email and text so everything was clear up front, but apologies again for the small mix-up with your name. I’m really glad to hear you were happy with the service overall, and thank you for choosing Surrey Heating Specialists. Ryan Price Owner Surrey Heating Specialists
Excellent service and went above and beyond by helping to get my hive app working again. This was my second boiler service and will call on surrey heating again without hesitation.
Response from the owner:Thank you Arnie , your review means a lot for us and we always make sure the service is being done properly as it is really important.
"I am so glad I chose Surrey Heating Specialist for my new boiler. After my old one broke down, I researched over ten different companies. From the very beginning, Ryan stood out by answering every single one of my questions and going out of his way to help. His patience and clear communication made a huge difference in my decision.
The installation itself was handled by Anthony and Dan, and they were brilliant. They were not only amazing at their work but also incredibly knowledgeable and helpful. They didn't rush off after finishing; instead, they made sure I understood exactly how my new boiler works. This is how every company should operate. The entire process was smooth, professional, and friendly. I am confident that if any issues arise in the future, they will be happy to assist
Response from the owner:Hi Gary, Thank you so much for your wonderful review! I’m thrilled to hear that you had such a positive experience with our team at Surrey Heating Specialists. It’s great to know that both Anthony and Dan provided the support you needed during your new boiler installation. We pride ourselves on being a trusted, community-based business, and your feedback reaffirms our commitment to excellent customer service. If you ever need assistance in the future, we're just a call away! Warm regards, Ryan Price - Owner Surrey Heating Specialists Thank You, Ryan Price
Terry was friendly and very professional at the same time. Very efficient service. Highly recommend this company. 14/11/25
Response from the owner:Thank you Sarah.
Excellent Response
Professional Service from Ryan and Paul
Paul came to fix my boiler problem.
Highly recommended
They listen to your concerns,
Great Customer service

All contact numbers saved for the future
Will be my first contact !

Thank you Ryan and your team
Response from the owner:Thank you so much, Steve! I truly appreciate your kind words and am thrilled to hear that Paul was able to assist you with your boiler issue. Our team is dedicated to providing great customer service, and it means a lot to us to be your first contact in the future. We're proud to be your trusted, local heating specialists! Best regards, Ryan Price - Owner Surrey Heating Specialists Thank You, Ryan Price
Paul was running a few minutes late but was kept up to date via a phone call. Service on the boiler was spot on and even found and fixed a small leak that id long forgotten about. The company is a pleasure to deal with from start to finish
Response from the owner:Thank you so much for your kind words, Jason! We're thrilled to hear that Paul provided you with excellent service and kept you informed along the way. It's great to know we could address that leak for you too. We truly appreciate your support as a trusted, local, community-based business. If you need anything else, just let us know! Ryan Price - Owner Surrey Heating Specialists Thank You, Ryan Price
SHS was able to get me an engineer within a few hours of calling them which was great. The engineer, Terry, was polite, pleasant and professional. He got straight on with diagnosing the issue with my hot water and identifying the problem. Sadly he was unable to fix the problem this time (hence the four star rating) but at least we moved forward. I would not hesitate to contact SHS again in the future if I have any more problems with my heating system.
Response from the owner:Thank you for your feedback, David! We're glad to hear that Terry was able to assist you promptly and professionally, even if he couldn't resolve the issue as it was an electrical supply fault. We appreciate your understanding and are here for you whenever you need help with your heating system. Your trust in our local, community-based business means a lot to us. Best regards, Ryan Price
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