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Boiler prices: how much does a new boiler cost?

Is your boiler on its last legs? If so, you’ll want to know how much it will cost to replace.

The price of a new boiler can vary greatly, depending on the size and type, so you’ll need to be sure you choose the right one for your home.

Here’s a look at the average prices for a new boiler.

Is your boiler on its last legs? If so, you’ll want to know how much it will cost to replace.

The price of a new boiler can vary greatly, depending on the size and type, so you’ll need to be sure you choose the right one for your home.

Here’s a look at the average prices for a new boiler.

Chris King
From the Home team
4
minute read
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Posted 12 OCTOBER 2020

When should you replace your boiler?

Typically, a boiler should last between 10 and 15 years. However, modern boilers are proving to be far more energy-efficient than older models. If your boiler has a few years on the clock, but works okay, you still might want to consider replacing it with a newer model.

A new boiler certainly doesn’t come cheap, but it could be a worthy investment in the long run. A modern, energy-efficient boiler can potentially save you up to 40% off your energy bills.

New boiler price range

The price of a new boiler can vary considerably, depending on the type, size and capacity. The following table shows the approximate price ranges for the most popular types of boiler in the UK:

Boiler type Price range
Combi £500-2,800
Condensing £1,300-2,500
Conventional   £500-2,000
System £700-2,500
Electric  £700-2,500
Biomass £5,000-20,000

Installation costs

You’ll also need to factor in the installation costs. These can range from £600-£1,500, depending on whether you’re replacing the same type of boiler as your old one or opting for a different boiler system.

If you’re having a new boiler installed in the same place as the old one, and it’s a pretty straightforward job, the cost of installation is likely to be cheaper. If you’re moving the boiler to another place in your home or need to upgrade the pipe system for the new boiler, installation costs will typically be much higher.

Discounts on new boilers
With some boiler cover plans, you might be offered a discount on a new boiler when your existing boiler comes to the end of its working life. Hometree, Compare the Market’s boiler cover partner, offers a 15% discount on the price of a new boiler if they can’t fix your old one – even on its lowest-priced plans. On a £500 boiler this could save you £75; on a £2,500 boiler, this could save you £375.

With some home care plans, the plan provider might make a small contribution to the cost of a new boiler. Or alternatively, pay for a new boiler and expect you to make a contribution, for example your chosen excess, towards the cost. Check the details of your plan to see if your provider offers this option.

Which type of boiler is right for you?

Although budget is a major factor when choosing a new boiler, you should also consider how big your home is and how much hot water you need.

Combi boiler
Approximate price range: £500-£2,800
One of the most popular types of boiler in the UK. Combis are efficient and compact, and can run on gas or electric.  They can often be stored in a cupboard and are ideal for smaller homes.

Combis may not be suitable for larger households with multiple bathrooms, as the water pressure is weak when run from more than one source.

Condensing boiler
Approximate price range: £1,300-£2,500
One of the most efficient types of boiler, condensing boilers use the wasted heat left in the flue to reheat cold water.

Condensing boilers can run on gas or oil. Water pressure is good, so they’re recommended for mid-sized homes with more than one bathroom.

Conventional boiler
Approximate price range: £500-£2,000
Conventional boilers can run on gas or oil and have two water cylinders: one for heating the water and one for storing the water.

Thanks to the large amount of storage and good water pressure, conventional boilers are ideal for larger homes where a lot of hot water might be used at the same time.

System boiler
Approximate price range: £700-£2,500
System boilers heat water directly from the mains and have a storage cylinder to ensure a good supply of hot water.

System boilers are a good option for large households who need plenty of hot water without a drop in water pressure.

Electric boiler
Approximate price range: £700-£2,500
Electric boilers are an option for areas that don’t have a gas supply. Compact and easy to install, they can be placed almost anywhere in the home.

As they don’t need a flue or gas pipes, installation costs tend to be much cheaper. However, running costs can be higher than for a traditional gas boiler, in some cases up to 30%. Because of this, they’re more suitable for small homes that don’t need a large supply of hot water.

Biomass boilers
Approximate price range: £5,000-£20,000
Biomass boilers are the most expensive type of boiler to buy new. However, they’re also one of the most eco-friendly and efficient systems to run. Using wood pellets, chips or logs, a biomass boiler could save you between 30-50% on fuel consumption over the year.

If you can afford the initial costs, a biomass boiler could prove to be a great long-term investment.

Can you get government help for a replacement boiler?

If you’re on a low income or receive government benefits, you might be eligible for a free boiler under the Energy Company Obligation (ECO) scheme. Funded by the Big Six energy suppliers, the ECO scheme has been set up to reduce carbon emissions and tackle fuel poverty. It provides support for low-income households with funding for installation and repairs of heating and insulation.

Find out if your household is eligible for the ECO scheme.

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