Fully Insured Gas Safe Registered 0% Finance Available Price Match Guarantee Flexible Payment Options

Gas Safe Registered 0% Finance Available Price Match Guarantee Flexible Payment Options Fully Insured

0% Finance Available Price Match Guarantee Flexible Payment Options Fully Insured Gas Safe Registered

Gas Safe Registered 0% Finance Available Price Match Guarantee Flexible Payment Options Fully Insured

New Boiler with installation from only £9.99 per month

New Boiler with
installation from
only £9.99 per month

New Boiler with installation from only £9.99 per month

Get A Quote

Complete the form below to receive your free no obligation quote.

Why choose us?

Happy Customers

Open Daily

Gas Safe

Napit Approved
Electrical Installers


Installed in
24 Hours

One Fixed Price & Price Match Guarantee

No Deposit

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What's included in your A Rated Boiler

Professional Installation

Installed by a professional, experienced, friendly and Gas Safe certified engineer for your peace of mind.

Chemical Flush

We'll carry out a Chemical Flush to get rid of any unwanted sludge, dirt and debris which will increase the life of the boiler.

FREE Hive Thermostat

You'll receive a FREE Hive thermostat with every combi boiler install. This gives you the control to maximise home comfort.

Limescale Filter

When your new boiler is connected to the main water supply we'll also install a limescale filter to protect it from any limescale.

Magnetic Filter

Every new boiler install also gets a Magnetic Filter which protects it from any sludge, dirt and debris increasing the life of the system.

Price Match Guarantee

Cosy Boilers will match any like-for-like boiler installation from any reputable Boiler Installation Company. A “reputable” Boiler Installation Company is one that is a registered company in England that uses Gas Safe Qualified Engineers.

Don't just take our word for it

Nick T
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Billy and Joe plus another 3 arrived at 7am as agreed to replace a boiler, pump,6 new radiators, an all round central heating upgrade. The first job was carpet protection to all areas it’s refreshing to have professional tradesmen that respect your property, everyone new exactly the scope of works. The job was totally completed unwanted materials properly disposed of and all relevant documentation completed by 6pm. Billy oversaw every aspect. I was left with a fully commissioned system and our property was spotless. A highly recommended professional knowledgeable top notch company. Brilliant thanks to Billy, Joe the entire team excellent!
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They dealt with an issue at my mums house, came Bill came round 15 mins after first message was sent, understood the issue and arranged a time to come back. Both lads were professional, hard working, tidy and responsive. Would definitely recommend these lads to anyone looking for work to be done. Couldn't have wished for better tradesman.
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As usual bill did an excellent job. We have used him several times from full boiler installation to servicing. Quick, courteous and always on hand to answer questions, I can not recommend him and his team highly enough.
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Billy’s team installed new radiators throughout our house for us with the upmost care and expertise. Incredibly the floorboards afterwards looked almost untouched and the fittings were spot on. Brilliant work, would wholeheartedly recommend.
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Had old boiler, old storage tanks (hot&cold) etc removed and replace with modern combi boiler system. Quick, clean & efficient - 3 guys worked 13hrs and completed job in one day. Excellent service and great heating system.
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Great work very pleased with our new boiler. Guys worked very hard to complete in one day. Very tidy and professional would definitely recommend.
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Cosy boilers installed a new valiant boiler for us. Great service clean and tidy workers. Would use again and have recommended to friends.
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Billy and his team installed a new heating system in our home. Very happy with the work carried out. Will use again.

Frequently asked questions...

If you can’t find the answer to your question, please get in touch and one of experienced engineers will be able to help.

Boiler replacement costs depend on type, installation complexity and location. We’ve created a simple form to complete in order to get an accurate quote for your home.

We can install brand new fixed priced boilers in as little as 24 hours. Get a quote today and we’ll be in touch with a price.

You’ll receive up to 12 years manufacturers warranty on all new boilers.

Yes! We offer 0% finance on all new boilers plus we offer options to spread payments making it easily affordable. Prices start from as little as £9.99 per month.

Yes! We can match any price from a reputable boiler installation company. A reputable boiler company is one that is a limited company that operates in the UK using gas safe registered engineers.

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