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.
Fully Certified & Accredited
Save up to £840
a year on your bills
Installation By
Gas Safe engineer
Portman UK
Best Price Guarantee
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.
Buy Your New Boiler Better.
Fixed-price boilers,
with everything included.
Our new boiler installations come with everything you need, plus more. From flues to thermostats, and pipework to paperwork – we’ve got it covered.
Gas Safe-qualified engineers
All of our engineers are friendly,
insured, qualified and highly skilled.
Workmanship
warranty
Each and every installation gets our fuss-free, exclusive workmanship warranty.
Best Price 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, the energy per year is upgraded from a G-rated boiler to an A-rated boiler in a detached UK home.
Your New Boiler Installation Will Include
New Boiler
Installation
Chemical Flush
Cleaner
Inhibitor
Controls
Filter
Pipe Work
Power Flushes
Boilers Made Simple: How It Works
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For every new boiler we install, Portman plants a tree – helping to offset carbon emissions and support a greener future.
Compare Boilers & Select Your Preference
We specialise in installing the latest high-efficiency boilers, air conditioning and renewable systems designed to reduce energy use and lower bills.
Book Your Free Home Survey
With years of experience across Central London, our fully qualified engineers and plumbers deliver a professional service you can count on.
Hassle-Free Installation
We believe in honest, upfront quotes – so you’ll always know exactly what to expect, with no surprises.
Why Portman Delivers Unmatched Comfort & Reliability!
Portman delivers reliable service, energy-efficient solutions, expert workmanship and honest support—making us the trusted choice for long-lasting comfort, performance and peace of mind.
One Boiler,
One Tree
For every new boiler we install, Portman plants a tree — helping to offset carbon emissions and support a greener future.
Energy Efficiency
Experts
We specialise in installing the latest high-efficiency boilers, air conditioning and renewable systems designed to reduce energy use and lower bills.
Trusted Local
Engineers
With years of experience across Central London, our fully qualified engineers and plumbers deliver a professional service you can count on.
No Hidden
Extras
We believe in honest, upfront quotes — so you’ll always know exactly what to expect, with no surprises.
What Our Customers Say About Us!
FAQs
Some of the most frequent questions we get asked.
Popular Articles From Our Heating Experts
How Can You Make Your Central Heating More Efficient?
A well-running central heating system keeps your home warm, reliable and affordable to heat. But over time, radiators can become sluggish, boilers lose efficiency, and pipework begins to collect debris, meaning your system has to work…
What’s The Difference Between a Combi, System, or Regular Boiler?
When searching for the best boiler for your home, you will find there is a variety of types to choose from. Selecting the right type of boiler ensures you receive the heating and hot water you need…
Does A New Modern Boiler Save You Money?
When it comes to heating your home, your boiler plays a huge role in both your comfort and your energy bills. If your current boiler is more than 10 years old, you’re probably spending more on heating than you should…
Thinking About a New Boiler for Your Home in London? Your Questions Answered
Your boiler is the heart of your heating system. Without an efficient boiler, you could be spending more on bills every month as the system struggles to provide hot water and warm radiators…
How Can You Make Your Central Heating More Efficient?
A well-running central heating system keeps your home warm, reliable and affordable to heat. But over time, radiators can become sluggish, boilers lose efficiency, and pipework begins to collect debris, meaning your system has to work…
What’s The Difference Between a Combi, System, or Regular Boiler?
When searching for the best boiler for your home, you will find there is a variety of types to choose from. Selecting the right type of boiler ensures you receive the heating and hot water you need…
Does A New Modern Boiler Save You Money?
When it comes to heating your home, your boiler plays a huge role in both your comfort and your energy bills. If your current boiler is more than 10 years old, you’re probably spending more on heating than you should…
Thinking About a New Boiler for Your Home in London? Your Questions Answered
Your boiler is the heart of your heating system. Without an efficient boiler, you could be spending more on bills every month as the system struggles to provide hot water and warm radiators…
