Broken boiler?

Let our expert Team of Heating engineers will get your Central heating & hot water working again – Fast!   Not only that we’ll also slash the costs of a British Gas install!

3,579 +
Local Clients

22 Years
Experience

0% Finance
Available

18 Year
Warranty

Award
Winning

16 Qualified
Engineers

Local: North London
& Buckinghamshire 

Accredited installers
of ATAG, Glow worm Warmhaus,
Worceste Bosch, Vaillant etc

Replace your boiler today! We'll ensure your New Boiler is the Perfect Heating Solution for your Home...

Choosing a new replacement boiler can be confusing. Poor installation, low quality products…. no warranties or guarantees, and rip-off plumbers that install systems that won’t work as promised.

British Gas overcharges and cowboy plumbers will install an inferior boiler that will leave you out in the cold.

 

At Mizzen we… “Guarantee to Find you the right solution for your unique boiler and heating needs”



That’s a Promise!

We are your local “One-stop-Shop” for Boiler Replacement and advice on choosing a New Boiler

Our dedicated Gas Safe Registered engineers are qualified to carry out a wide range of heating services.

With years of experience and an expert understanding of the leading boiler brands – from Vaillant to Worcester Bosch – we offer an unrivalled service from start to finish.

To prove it we offer all our customers a 12-month guarantee on our workmanship

Which is the right NEW Boiler for you?

From

£999

From

£1600

From

£2100

Book your Boiler Replacement

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Speak to your Local Boiler Expert

08000 436442

Find your Perfect Boiler

Get the right boiler in 4 easy steps

01

Boiler & Heating Assessment:

 One of our Engineers will visit your home to understand your needs (property type, size, location) and recommend a suitable boiler size and type within your budget.
or Click here for a Whats App call

02

Get a detailed Quote

You’ll automatically receive a bespoke tailored detailed quote with options outlining the boiler cost, labour charges, and any additional work or components needed.

03

Boiler Installation

Depending on complexity, installation can take as little as 4 hours or as long as 3 days. Replacing a combi with a combi is quicker, while back boiler conversions take longer. Mizzen always treats your house like our own home. Tidying up after and keeping a clean working environment.

04

Additional work

Our options.

  • Full comprehensive power flush of Central Heating System
  • Upgrade to smart boiler controls
  • Upgrade to designer radiators

Note: New pipework, boiler relocation, or adding new components will be factored into the process & the detailed quote.

We’ll do what we can to get you the RIGHT boiler for you

Choosing the perfect boiler can be a daunting process –  but we will assist you to make the right choice for your circumstances

With our expert guidance we’ll ensure you end up with the perfect Boiler & heating system for you. We work hard to make sure you get the best system at the very best price

Why choose Mizzen Construction over a weaker Competitor?

MizzenBritish GasGlow GreenPimlicoBoxt
Family Business
Local – in your Community
100% Unbiased Expert Advice
Commission-Free Installers
In-house Installers/Engineers
Whole Market
Smart Home Expertise
0% Finance
Payment Plans
“One-stop” Home Care Shop (Kitchens, Bathrooms, Extensions)
Service Plans
24/7 Call Outs
Mizzen “BEST Boiler” Guarantee

We’ve Helped Families all over Buckinghamshire.... and We Want to Help You Next

“… At the Mizzen group we pride ourselves on finding the Perfect Boiler or heating solution for your unique situation.  Let us hold you hand to find you the right solution – at the right price” 


 – Charlie Mizzen.  Founder Mizzen Group

Frequently Asked Questions

Want to know more about getting a new boiler?

Here are some common questions

How much does a Boiler cost?

The cost of a new boiler can vary depending on the type and size of boiler you need, but you could have a brand new A-rated boiler installed from £1,699 . Get your fixed price quote, plus a recommendation on the right boiler for your home and budget



How Long Do Boilers Last?

The lifespan of your boiler can depend on a number of factors, but the average lifespan of boilers in the UK is between 10-15 years. However, a boiler’s actual lifespan depends on its quality, type, and maintenance



Should I swap my conventional boiler with a combi?

If your home currently has a conventional boiler, installing a new combi boiler could help you save space and be more energy efficient
 


I need new Boiler can you help?

With over 65  5-star Google reviews, you can trust Mizzen to help you find the right boiler for your home.  With 16 Gas Safe Registered engineers means if you order a new boiler before 4pm, your fixed price, A-rated boiler could be installed as soon as the very next day.* Just answer a few straightforward questions about your home to get a fixed price quote.

Can We Help You?

If you have any questions about Boilers or Heating solutions, you can contact our amazing customer care team on phone NOW… or use our live chat in the bottom right corner

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