Signs its time to replace your boiler

Is it time to replace my boiler

Signs its time to replace my boiler. The boiler in your home should be an appliance you can always trust to perform. Being an integral part of the workings of the house. It needs to be reliable and consistent.

Not something that is going to cause worry and uncertainty. From time to time things can go wrong with your boiler

Does my boiler need replacing? What does an average boiler replacement cost?

Below we will discuss the clear signs that your boiler is either broken down or faulty. And then some simple steps to follow if you find yourself in this predicament.

When to replace a boiler?

Broken boiler swap

The boiler in your home is probably one of the most important appliances in your house. It functioning is vital to the level of comfort you will have in your own home. If your boiler is getting on a bit and hasn’t been updated for a number of years. It’s possible a replacement may be the way to go. Once a boiler gets to around 15 years old (if you’re lucky). Then more than likely a newer model would benefit in more ways than one. Signs its time to replace my boiler?

Over recent years, boilers have evolved into highly efficient machines. A new A-rated boiler along with a good chunk of manufacturer warranty or guarantee. Is going to save you money on your heating bills. And provide peace of mind if (touch wood) the boiler should ever break down.

If you are getting to that stage where your boiler is breaking down more regularly. Rather than buying new bits and pieces every week, it may be worth buying a brand new one altogether.

Signs of a broken or faulty boiler.

There are numerous ways a boiler can fault or stop working. Each problem will show a few signs to look out for. If any of the following are true of your boiler. Please contact a Gas Safe registered engineer to assess and rectify. Most of these issues can also be identified during a boiler service.

Leaking or dripping from your boiler.

There are many places your boiler can leak from. To really pinpoint the exact problem, you need a Gas Safe engineer. To take the casing off the boiler and identify where the boiler is leaking from. The most common cause of a leaking boiler is from a broken component inside the boiler. The pump seal or pressure valve could be damaged. If you’re really unlucky, one of the main heat exchangers may have ruptured.

Of course, it’s not necessarily the boiler that’s at fault. you could have a leak on the heating system, pipework or valves etc.

leaking boiler

Constant low boiler pressure.

Low boiler pressure can be caused by a number of things. Including water leaks, bleeding radiators as well as the need for a new pressure valve. It’s easy to check the pressure of your boiler. Using the built-in pressure gauge on the front of your boiler.

Causes of pressure issues

There is a leak somewhere on your heating system

There is an issue with the Expansion vessel (flat or ruptured)

The PRV (pressure relief valve) is passing

There is a leak in the main heat exchanger of the boiler

If the pressure isn’t rising when repressurising your system. Get in touch with an engineer to find out any underlying problem

combi boiler losing pressure

Banging or gurgling noises.

Excessive noise coming from your heating system. Whether that be the boiler or the radiators and pipework, this isn’t something to be ignored. Noises can be caused by things such as air in the system or if the system pressure is too low. signs its time to replace my boiler.

Maybe it’s time to replace our boiler?

If you have read this far and are thinking along the lines of a replacement. Then don’t do anything until you have read on. Buying a new boiler can be a minefield, here are a few tips of what to look out for and where to be looking

Buying a new boiler is something you only want to do once in the next 10-15 years. (make sure you research)

  • The first thing to think about is the hot water requirements of your home. If you regularly use more than one hot water outlet then a standard combi is not the right solution.
  • There are many different boiler manufacturers out there, how do you know which one to choose? Go and read the customer reviews, paying attention to aftercare and reliability.
  • Certain companies are accredited with different manufacturers. Meaning they are able to offer a longer warranty than those who aren’t accredited.
  • Choosing the installation company. Make sure you read customer reviews and most importantly. That they are Gas Safe or Oftec (oil) registered.
  • Home survey process. Ensure that the companies you’re inviting into your home to quote. Are carrying out thorough home surveys. The most important factor is the incoming cold water performance. This means measuring the flow rate and pressure.

What to consider when replacing your boiler.


The cost of a new boiler over a replacement part is obviously going to be higher. However if the continual breaking down and loss of confidence. In your existing boiler is starting to add up. The cost of that super-efficient A-rated condensing boiler.  With up to 12year guarantee may be looking more attractive


Unlike your old boiler, a new one is going to be much more reliable. With upgraded smart technology as well as ‘A’ rated efficiency. A brand new boiler will be a worthwhile investment.

Your installation company

It is important to use a company you can trust. MS Cookers and Boilers, personalise each boiler recommendation to that specific home. Taking into account the information supplied by yourselves at the home survey stage.


Every new boiler manufactured today must have an A rating for energy efficiency. A new boiler is always going to be more efficient than your old one.

Replacement boiler cost.

The cost of a combi boiler replacement in the same location can be as low as £1600. The cost of a replacement boiler can vary depending on a few factors. Such as Manufacturer, Model, size (kW). and additional installation costs(extra flue components etc).

To find out how much a replacement combi boiler from MS Cookers and boilers will cost. Then why not use our online fixed price quotation tool. 

Our process

A full boiler replacement should be completed only by a professional boiler engineer. There are a number of different boiler types to choose from:

Combi boilers

Conventional boilers

System boilers

When you’ve decided on the type of boiler you want, the manufacturer you trust. And the size you require. You need to organise the installation of your new boiler. MS Cookers and Boilers have a range of high-quality boilers to suit your needs. Have a look at our online quote generator and choose the boiler you would like. One of our engineers will then make contact. To arrange an appointment to come out and carry out our in-depth home survey.

Installation process

On the morning of your new boiler installation. The first thing we do is to cover your home with dust sheets and plastic walkways. This is to protect your home for the duration of the job.

If the boiler is a like for like replacement e.g old combi boiler. Being replaced with a new combi boiler in the same location then your engineer will be done in the day. If your installation involves upgrading the whole system. Or converting the boiler type then your installation will take longer.

Once your engineer has completed the installation. Ensure they have filled out the benchmark form in the back of the manual and asked you to sign it. A couple of weeks later you will get a ‘Building Regulations Certificate’. If you don’t receive them then you need to be in touch with your installation company.

Can I get help with replacing my boiler?

Absolutely! Here at MS Cookers and boilers, we’re committed to helping you find that perfect boiler for your home. we’ll be there with you every step of the way meeting any needs/queries you have. We make finding a boiler super easy.

Boiler replacement has never been easier or more affordable. For any queries regarding your new boiler installation then give us a call or request a call back below.