Four boilers from various manufacturer brands

Boiler replacement

Struggling with the stress of a broken boiler? Get new replacement boilers at fair, fixed prices with next-day installation from BOXT.

How does BOXT work?

Answer some questions about your home-0
Choose from a range of suitable boilers-1
Have your replacement boiler installed as soon as tomorrow-2

Answer some questions about your home

Choose from a range of suitable boilers

Have your replacement boiler installed as soon as tomorrow

Answer some questions about your home

Choose from a range of suitable boilers

Have your replacement boiler installed as soon as tomorrow

Replacement boilers from leading brands

We’re creatures of habit, and that’s a-ok. BOXT stocks energy-efficient boilers from all the leading brands, meaning you can get a replacement you know you’ll love.

The home heating industry can be complicated, but with BOXT, it doesn’t have to be. Explore boilers from trusted brands to find your perfect replacement.

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Next-day boiler replacement

Cold showers? They’re a no from us.  

Order online with BOXT in a few simple clicks and we’ll install your replacement boiler the very next day. Save yourself the stress of going without heating or hot water, knowing that our Gas Safe engineers have everything under control.

Protect your new boiler

Replacing a boiler is only something you want to do once. Make sure your new boiler stays fighting fit with a BOXT servicing plan. And with plans starting from as little as £8.99 per month, boiler maintenance doesn't have to break the bank.

Get the BOXT app

The BOXT app is available for all customers in the App Store and on Google Play. Download, create your account and enjoy incredible benefits at your fingertips.

☑️ Manage and track engineer call-outs

☑️ Access all your documents in one place

☑️ Get expert support from professionals

☑️ Receive rewards for referring your friends & family

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Flexible ways to pay

We’re making it easier and more affordable for you to get the replacement boiler you need in a way that suits you.

Spread the entire cost of your replacement boiler with finance plans spanning 12-120 months. Enjoy up to 24 payments at 0% on selected models.Enter the future of home heating today by subscribing to a BOXT Life boiler package from just £34 a month all in.We accept all major credit and debit cards, so you can pay in full today and have your replacement boiler installed tomorrow.

Comparing prices?

Save yourself the hassle of shopping around and comparing prices. If you can find a better deal for fixed-price installation elsewhere, we’ll either beat it or give you a £50 Amazon voucher. No strings attached, no questions asked.

Read more about BOXT’s price promise.

Cheaper, cleaner homes

Looking to reduce your energy bills and cut back on your carbon footprint? Replacing your existing or broken boiler with a new, A-rated model could be the answer.

Studies show that upgrading to a new gas boiler can take £45 off your bills each month and limit greenhouse gas emissions in the process. 

Upgrade today and do right by your bank balance and the planet.

Boiler subscriptions

With BOXT, you can subscribe to a new or replacement boiler for as little as £34 a month and enjoy everything you need (and more) in one fantastic package. Our team takes care of the tricky bits so you can get back to living your life.

So, what are you waiting for?

So, what are you waiting for?

Get your fixed price quote now

Get a boiler replacement quote