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Combi Boiler Installation & Replacement

JW Heating Services provides professional Gas Safe combi boiler installation and replacement services across the North West.

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Home » Combi Boilers

What Is a Combi-Boiler?

Short for ‘combination’ boiler, a combi boiler is a compact, all-in-one system that provides both central heating and instant hot water from a single unit. By taking water directly from the mains and heating it only when it’s needed, combi boilers offer an energy-efficient and cost-effective solution that can help reduce energy bills and eliminate the need for separate hot water cylinders or storage tanks. Their space-saving design makes them an ideal choice for modern homes, while reliable on-demand hot water and lower running costs make them one of the most popular and practical heating solutions available.

Whether you’re replacing an older system or upgrading your home’s heating, a combi boiler delivers convenience, efficiency, and long-term value.

Combi Boiler Diagram

Is a Combi-Boiler Right for Your Home?

A combi-boiler is a compact, small, unit. Saving space and money, they have become the most popular type of heating system in the UK, with combi-boilers being fitted in over 50% of new domestic heating installations.

Another big benefit to having a combi-boiler installed is that they are easy to install, operate and maintain, and because they only heat water on demand rather than storing it, they can help lower your energy bills too.

Combi Boilers are best suited for:

  • Flats, apartments and smaller homes
  • Properties with 1 or 2 bathrooms
  • Homes with good water pressure
  • Households with moderate hot water demand

Combi boilers may not suit:

  • Larger homes with multiple bathrooms used at once
  • Properties with low water pressure

Not sure what type of boiler you need? Our local experts will recommend the right boiler for your home.

Combi-Boiler Installations

With over 30 years’ experience in the boiler industry, we have exceptional relationships with the UK’s leading manufacturers and are therefore able to offer a large range of heating systems for you to choose from, including some excellent combi-boilers.

John Wilkinson Heating Services handles every aspect of your combi boiler installation across the North West, including areas such as Warrington, Manchester, Cheshire and Lancashire. We are the nation’s No.1 Diamond accredited installers of Worcester Bosch central heating systems, and all of our installers are OFTEC Safe certified with plenty of professional experience.

The installation process is quick and simple. Based on the information you give, our fully trained technicians will help you choose the right boiler or heating system for you. Our team of specially trained experts are there on hand to install the boiler for you, quickly and efficiently with minimum disruption.

Why choose JW Heating Services for your new combi-boiler installation?

At JW Heating Services, we combine experience, expertise, and a customer first approach to deliver outstanding heating solutions.

Why customers across the North West choose us:

We understand how important heating and hot water are, and we are committed to delivering dependable service you can rely on.

Jwh Brand Icons 30 Years Experience
Over 30 years of heating expertise
Jwh Brand Icons Customer Satisfaction
Exceptional Customer Service
Jwh Brand Icons 10 Year Warranty
Worcester Bosch Diamond Accredited Boiler Installer
Jwh Brand Icons Leading Brands
Specialists in boiler installation, heating systems and renewable solutions
Jwh Brand Icons Gas Safe Registered
Competitive pricing with no hidden costs
Jwh Brand Icons Customer Support
Free, no obligation quotes across all services
Jwh Brand Icons Flexible Payment
Flexible boiler finance options available
Jwh Brand Icons 10 Year Warranty
Up to 10 year guarantees on selected installations

Rated highly by our customers

We’re proud of our reputation across Warrington and the North West. Read our genuine customer reviews and see why homeowners trust us for new boilers, repairs, and servicing.

Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
We live in Haydock just had boiler fitted. The quote workmanship and fitting was perfect would definitely recommend this company
Posted on Google Google
Bev Thornton profile picture
Bev Thornton
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Boiler replaced in 1 day heating back on for tea.
Posted on Google Google
Norman Denton profile picture
Norman Denton
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Recently had a new boiler fitted by j Wilkinson completely hassle and stress free. Would highly recommend them.
Posted on Google Google
Paul Kenyon profile picture
Paul Kenyon
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
I had a boiler fitted following a recommendation from my mum. They fitted it all brilliantly and I have only had a pressure issue 18 months later. I was dreading calling and asking for help because I have no idea about about boilers but the lady on the phone reassured me that my warrenty was still in place and agreed to have someone video call me that afternoon. Luckily there was then a cancellation and we were seen the same day. Exceptional company and customer service. Hopefully I won't need a new one for a while but I'll be recommending and wont go anywhere else in the future. Boss boss boss.
Posted on Google Google
Sarah M profile picture
Sarah M
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
We are delighted with the work carried out to replace our boiler in our home in Birkenhead . The company have been great from the start, when we asked for a quote right the way through to the fitting and payment.
Posted on Google Google
Gill Beaman profile picture
Gill Beaman
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Pleasant to deal with. Given good advice prior to order. Efficiently installed on time by friendly staff. More important it was the best price.
Posted on Google Google
Stanley D Cadman profile picture
Stanley D Cadman
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
New Combi boiler installed in Sale.Very competitive pricing and quick install.Minimal mess left and friendly trustworthy fitter.
Posted on Google Google
Sandpiper profile picture
Sandpiper
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
From first contact to completion of our boiler, the experience was brilliant. he work carried out was to a high standard with no problems.
Posted on Google Google
John Egerton profile picture
John Egerton
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
I had this company install a new boiler for me recently. I can honestly say they made a very daunting task very easy. They came to my home, advised me of my options and provided a very competitive price. The whole process was very easy and the boiler was fitted with minimal disruption and mess. Great service can definitely recommend this company.
Posted on Google Google
Sue N profile picture
Sue N
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
My request for the annual service was made quickly and a short timescale, the appointment was updated on the day, excellent customer communications, very pleased, thank you
Posted on Google Google
Peter Faulkner profile picture
Peter Faulkner

Our boiler installation process

We make getting a new boiler fitted simple and stress free in 4 simple steps:

Boiler Quote 1 Discovery Page

Discovery Call
Speak with our friendly, expert team to discuss your home, heating requirements, and budget.

Choose Your Boiler

Choose Your Boiler
We’ll recommend tailored boiler options based on your home’s size, usage, and efficiency goals.

Jw Heating Boiler Installation Services

Installation
Our Gas Safe Engineers install or replace your boiler safely and with minimal disruption.

Boiler Quote 4 Maintenance

Maintenance
We’ll maintain your boiler performance with ongoing care, support, and annual servicing.

Get a New Combi-Boiler on Finance

Don’t let upfront costs hold you back. We offer flexible combi-boiler finance options, so you can pay monthly and spread the cost of your new boiler installation. Whether you’re looking for 0% interest or longer-term payment plans, our combi boiler finance deals are designed to suit your budget.

Areas We Cover

We provide combi-boiler installation services across the North West, with our main base located at:

  • 7A The Warehouse Studios, Glaziers Lane, Culcheth, Warrington, WA3 4AQ

Our team regularly installs combi boilers across:
Warrington, Manchester, Liverpool, Wigan, St Helens, Stockport, Bolton, Preston, Wirral, Oldham, Leigh, Crewe, Chester, Wrexham and surrounding areas.

View all the areas we cover.

Examples of our work

Frequently Asked Questions About Combi-Boilers

Combi-boilers are ideal for small to medium-sized homes with moderate hot water demand. If you have multiple bathrooms or high water usage, a system boiler may be more suitable.

A well-maintained combi-boiler typically lasts between 10–15 years. Regular servicing can help extend its lifespan.

Yes. Because combi-boilers only heat water when needed and don’t store hot water, they reduce energy waste, helping lower your monthly bills.

Most standard combi-boiler installations can be completed within one day. More complex installations, such as converting from a system or regular boiler, may take 1–2 days.

Get Your Combi-Boiler Quote

If you are looking for combi-boiler installation in the North West, trusted heating engineers, or a reliable team for your boiler replacement, JW Heating Services is ready to help. From our base in Warrington, we deliver high quality installations across the region with expert advice and exceptional service.

Contact us today to arrange your free quote.

Speak to a Heating Engineer: 01925 980573

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John Wilkinson Heating Services Ltd, Company number 07645851, of Registered Office, Homeserve, Cable Drive, Walsall, West Midlands, WS2 7BN.

Principal office located at 7A The Warehouse Studios, Glaziers Lane, Culcheth, Warrington, Cheshire, WA3 4AQ
Company Registration 01276121. Registered Office Homeserve, Cable Drive, Walsall, England WS2 7BN. Shermin Finance Limited act as a credit broker not a Lender, finance is subject to status and affordability.
John Wilkinson Heating Services Ltd is an Appointed Representative of Shermin Finance Ltd.

JW Heating Services

JW Heating Services is your trusted local boiler company, providing a range of plumbing and heating services, including new boiler installations, in the Northwest of England and some parts of Wales.

Contact us
JW Heating Services
7A The Warehouse Studios,
Glaziers Lane,
Culcheth,
Warrington,
Cheshire,
WA3 4AQ

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