A New Boiler That Won’t Break The Bank
Start with an online quote or request a callback – it’s easy, free, and takes less than 60 seconds. Click below to get your FREE boiler quote!
Fully Certified & Accredited
Save Up To 70%
Low Carbon Technology
Installation By
Gas Safe engineer
Price Promise
Guarantee
Brands we install
Why Thousands Are Upgrading to Modern Boilers in 2026
Cut your heating bills by up to 40%
Claim boiler grants and incentives
Eco-friendly heating solutions
Boost your property value and EPC rating
New boiler with flexible payment options
Get Your New Boiler in as Little as 24 Hours
Get a fixed price in less than 60 seconds, just answer some simple questions starting below:
Let’s get started, Which fuel powers your boiler?
Mains Gas
LPG
Buy Your New Boiler, Better.
Get A Free Online Quote
Fill in a few details and get a tailored quote in seconds. You’re under no obligation to accept.
Gas Safe, Qualified Engineers
All of our engineers are friendly, insured, qualified and highly skilled.
Workmanship
Warranty
All of our engineers are friendly, insured, qualified and highly skilled.
Price Promise
Guarantee
Seen a better price elsewhere? Speak to us – we’ll always aim to offer you the best value.
Save Up To £840 A Year On Your Bills
On average, on energy per year, when upgrading from a G-rated boiler to an A-rated boiler in a detached UK home.
Our Top Selling Boilers
Browse our latest range of money-saving boilers, installed as fast as next day.
Glow-worm Compact
Ideal Logic
Worcester Bosch Greenstar 4000
Vaillant ecoTEC plus
Your New Boiler Installation Will Include
Just 3 Steps to Your Boiler Replacement
Get A Free Online Quote
Fill in a few details and get a tailored quote in seconds. You’re under no obligation to accept.
Book A Call Or Buy Online
Whether you’re happy to buy online or would like to speak to someone first, we have the option for you.
We Replace Your Boiler
Get your boiler installed by us. All our engineers are fully qualified and carefully vetted.
Why Choose Thermwise
Standards that don’t slip.
We’re a family-run team and we put everything into making sure you’re left completely satisfied – every single time.
Family Business, Personal Service
Every job treated as if it’s our own home. We put everything into your satisfaction.
Fast Response Times
We know heating problems can’t always wait. Same-day availability on many repairs – help is never far away.
Friendly, Approachable Team
We genuinely enjoy helping our customers. Every interaction should feel comfortable and straightforward – never pushy.
Full Transparency, Always
We always explain what we’re going to do, how and why – so you understand every aspect of the work in your home.
£90
Annual service from + VAT
4.2★
Google rating
Same Day
Availability on many repairs – won’t be left in a cold home
What Our Customers Say About Us!
FAQ’s
Some of the most frequent questions we get asked.
Upgrade Your Boiler Today
Getting a quote takes less than 60 seconds, select your type of boiler.
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