a diagram showing how a new boiler can save you money

Advantages of a new boiler?

A new boiler is a good idea if your boiler is more than 10 years old it is likely that it is not running at its most efficient. You should seriously consider the cost implications of running an inefficient boiler as opposed to the cost of replacing it with a newer more efficient one.

Some of the advantages of a new boiler include:

Energy Efficiency

Newer boilers are far more efficient and have much lower running costs than their older counterparts.

Cost Saving

If you chose a newer A rated efficiency boiler you could save in the region over £310 every single year on your energy bills. This is a huge saving but not surprising given that 55% of your energy costs are due to your boiler.


Newer boilers tend to be more reliable. As long as they are initially installed correctly and regularly serviced you shouldn't have any major problems with them. They will also be covered by a warranty for a period of time.


You will find that a newer boiler will be smaller than an older model and this will make your home look neater and it will be easier to conceal entirely.

What are the different types of boiler?

There are a few different types of boiler. Combi boilers are the most common choice for most homes, while conventional and system boilers are also popular choices. If you have multiple bathrooms or want to increase the pressure of your hot water, we recommend you also consider a megaflow boiler.

Gas Boilers
Most old gas boilers and have a separate hot water cylinder to store water
Oil Boilers
Oil boilers are essentially condensing boilers that fueled by oil instead of gas. The older ones tend to have a separate hot water cylinder to store water.
Condensing Boilers
Condensing boilers are water heaters in which a high efficiency is achieved by using the waste heat in the flue gases to pre heat the water entering the boiler.

Which boiler do I need?

There are 5 important factors to consider when deciding which boiler you are going to choose:

1. Where is the boiler going to be located in your home?

You will need to ensure that you have the appropriate space for the boiler that you choose and that the boiler can be correctly vented in the space.

2. Are you going to use your loft space as a room?

If you are planning at some point in the future to convert your loft space in to a usable room, i.e. a second bedroom or study you will need to consider choosing a combi boiler as this will not require you to have a separate cylinder in the attic space.

3. Does your home have more than two bathrooms?

If your home has more than two bathrooms you will probably be best served with a regular or system boiler. This is mostly due to the increased requirement for water pressure.

4. Is the main water pressure in your home low?

If your main water pressure is low you are likely to be recommended a system or regular boiler.

5. Do you need access to instant hot water?

If you need instant access to hot water instead of having to wait for it to heat up then you should choose a combi boiler as you will always have hot water and there will be no waiting around

See also:

What are the best boilers?

Energy efficient boilers

Your boiler can account for up to 55% of your energy bills per year so an energy efficient one is a must. If you replace an older model boiler with an A rated high efficiency condensing boiler you will not only considerably cut your homes Carbon Dioxide emissions you will also save in the region of £310 per year on your energy bills.

How much for a new boiler?

The costs vary depending on the type, manufacturer and size of boiler you choose. You will also have to consider the cost of the instillation.

In total, a new boiler can cost between £500 and £2,500.

See also:

How much do boilers cost?

Can I get a free boiler?

Can I get a new boiler on finance?

How much does a boiler service cost?


We have comprehensive price guides on all these leading boiler manufacturers:

Biomass Boilers

Biomass boilers burn wood chips, pellets or logs to warm your home. Biomass boilers can save you around £900 a year on your energy bills on average.

Installing a biomass boiler will cost between £5,000 and £25,000 – learn more about biomass boiler costs.

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