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The average cost to replace a
boiler in the UK is around £1800
Pricing guides

How much does boiler replacement cost?

The boiler replacement costs in this article are correct as of 2019  

We all rely on our boilers to heat our homes and keep the hot water flowing, so when we find out that there’s no other option but to replace a broken boiler, it can feel like a real blow. If you’re facing the prospect of replacing a boiler that’s failed or simply too old or inefficient to keep running, this guide will let you know the kind of costs you can expect.

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Gas Boiler replacement costs

The average price of a traditional boiler, plus installation, is around £1,500 to £1,800. They can be bought from a variety of places, with the cost of installation typically included. Gas engineers will usually quote for the job as a whole without separating out a fee for removing the old boiler, so prices are similar to the cost of simply installing a new boiler.

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Combi Boiler replacement costs 


Combi boilers generally work out cheaper in the long run than traditional boilers, though the upfront cost can be greater. A new combi boiler will usually range from around £1,800 to over £2,000, including installation fees, which will normally be included in the purchase price. As with traditional gas boilers, the replacement service should include removing the old boiler.

MyBuilder Top Tip

The above prices cover the replacement of a like-for-like boiler. If you are changing the kind of boiler or the type of heating system in your home as a whole, then the costs can be much greater, as the work will be far more complex and time-consuming.

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