Expert Advice & News

Does Your Boiler Need Replacing?

Boiler breakdowns can be inconvenient and costly but certain failures can also be a danger if not spotted in time. Regular maintenance should help keep your boiler running smoothly but if your boiler is over 15 years old, it may need replacing. An annual boiler service should be sufficient to keep your boiler working efficiently, ensure it’s running safely, lengthen its lifespan but also spot telltale signs that your boiler may need replacing. 

Boiler faults can also be warning signs that your boiler needs replacing.

A faulty boiler can be expensive and dangerous and a fault is not always obvious. Having your boiler serviced annually means that your engineer will be able to identify any problems with your boiler and fix them right away, preventing further damage.

Some of the telltale signs that indicate it may be time to replace your boiler.

Radiators not warming up?

Are your radiators heating each room adequately or does your home remain chilly even though the thermostat is turned up high? This could mean that your boiler is not working efficiently. Most modern boilers can reach the optimum temperature quickly and produce heat almost instantly. But it could also mean your central heating system is filled with dirt, sludge, debris and rust, preventing the radiators from heating up as they should.  If your home never feels warm enough or your water doesn’t come through hot, it might be time for a boiler service or a full replacement.

Unpleasant smell?

Any unpleasant  smell coming from your boiler needs to be investigated by a GAS SAFE REGISTERED engineer immediately. A  faint smell could indicate a carbon monoxide leak**   

Other carbon monoxide warning signs that shouldn’t be ignored include:

·       Pilot light is constantly going out or burning a yellow flame, rather than a blue one.

·       Black marks or soot around the boiler

·       More condensation than normal on your windows

·       Experiencing headaches or nausea

**HSE (Health and Safety Executive) strongly recommends the use of CO alarms as one useful precaution to give advance warning of CO in a property. Importantly alarms should not be regarded as a replacement for regular maintenance and safety checks by a Gas Safe Registered engineer. Before purchasing a CO alarm, always ensure it complies with British Standard EN 50291 and carries a British or European approval mark, such as a Kitemark. CO alarms should be installed and maintained in line with the manufacturer's instructions.

If you suspect your boiler is leaking CO or you suspect a gas leak, switch off your gas supply, open your doors and windows and leave the house.  Contact the National Gas Emergency Service on 0800 111 999.  

Energy bills increasing?

As boilers age, they become less efficient - particularly those that are not well maintained. The combination of age and old technology means that an older boiler is likely to have significantly higher annual running costs, compared with a modern replacement.  Modern boilers are a lot more energy-efficient than ones manufactured and installed as recently as 10 years ago. And if you choose an A-rated energy efficient boiler, they can help you save money on your energy bills, especially when installed with a smart thermostat.  For more information, read our blog page ‘REPLACING A BOILER’.


If water is appearing around your boiler, you should have this investigated by a heating engineer. Internal parts may be faulty or have started to deteriorate. A leak can lead to further problems, such as rust and corrosion, as well as structural damage to your home. It will also mean that your heating will be inefficient.

Funny noises?

It is normal to hear some noise from your boiler when it is firing up, but this should be no more than a low and constant hum that most of us won’t even notice. But banging, whirring, whooshing sounds or vibrations could indicate a number of issues and are best checked out by a heating engineer. The boiler could have a minor fault and be easily fixed but it’s important to make sure it is safe.

If you require further advice on your boiler and heating system, contact us

We can arrange a convenient time to service your boiler.  On the other hand, if it is time to replace your boiler, our expert advice will help you to choose the best boiler and the right model and size for your home. We offer a free site survey and quote, and after discussing your heating and hot water usage we can provide you with information on the different options available to best suit your needs and maximise your energy savings, whilst keeping within budget.

We install all makes of boilers but as approved Vaillant Advance Mastertech and Ideal Max installers, we are able to offer extended warranties of 7 to 12 years for your peace of mind on their products. Whether you choose a combi, system or regular boiler, we include a hot chemical flush, with added inhibitors, on all new boiler installations. However, there is the option to upgrade to a full system power flush (the gold standard for cleansing a central heating system) to improve the efficiency of the existing pipes and radiators of your central heating system.  

If you would like to view examples of boiler installations completed by Beales Services, visit our gallery pages.

You can check our reviews to see what our existing customers think about our services.

Or contact our team, we are always happy to answer any questions you may have.

Call us on 07921705246 /  0203 488 0883 or email us at You can also fill out the contact page on our website. We look forward to hearing from you soon.