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.

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Fully Certified & Accredited

Save up to £840

a year on your bills

Installation By

Gas Safe engineer

Portman UK

Price Promise Guarantee

Fully Certified & Accredited

Save up to £840

a year on your bills

Installation By

Gas Safe engineer

Portman UK

Price Promise Guarantee

Get An Instant Quote Speak to our experts
Get An Instant Quote Call Us:020 4634 2038

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.
Pay monthly with
boiler finance
Boost your property value and EPC rating.
Get My Free Quote Speak To Our Experts
Get An Instant Quote Call Us:020 4634 2038

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.
  • Pay monthly with boiler finance
  • Boost your property value and EPC rating.
Get An Instant Quote Speak to our experts
Get An Instant Quote Call Us:020 4634 2038

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.

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Gas Safe qualified engineers

All of our engineers are friendly,
insured, qualified and highly skilled.

  • Gas Safe engineers
  • Fully insured
  • Local engineers
Workmanship
warranty

Each and every installation gets our fuss-free, exclusive workmanship warranty.

Price promise Guarantee

If you find a like-for-like price that’s cheaper than we’ve quoted, we’ll match it. Simple as that.

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

The fastest way of getting a new boiler and reducing your bills at the same time.

Starting from

£3118.32

Glow Worm Energy7 25kW Combi

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Starting from

£3463.28

Worcester Greenstar 4000 25kw Combi

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Starting from

£4052.09

Vaillant eco TEC Plus 832 Combi

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Starting from

£3463.28

Ideal Logic Max 2 24kW Combi

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Our Top Selling Boilers

The fastest way of getting a new boiler and reducing your bills at the same time.

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.

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Get An Instant Quote Call Us:020 4634 2038

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.

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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!

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FAQ’s

Some of the most frequent questions we get asked.

We get asked this question more than any other. This is why we created our instant online quotation tool, to help our customers get an instant quotation. The tool considers your needs and gives you a personalised quotation based on the information you have provided.

If your boiler is broken down and you are without heating and hot water, we will class this as an emergency and will aim to get your new boiler installed asap with arrange to work around your needs.

Our Boilers come with between 5-12 years of Parts and Labour Warranty direct from the Manufacturer! Meaning you can rest assured that your new boiler is in safe hands if you have any problems we are here to help and will be for the lifetime of your boiler.

We offer Flexible payment options meaning you can spread the cost of your new boiler over a period that suits you. We can offer this with no deposit if needed. Cash or cheque is also fine.

We arrive on time, dressed for the job. Our company provides quick, upfront quotes and we have an excellent reputation for getting the job done right the first time. When you use our services, you will receive superior workmanship from a professional team of fully qualified heating engineers.

Get An Instant Quote Speak to our experts
Get An Instant Quote Call Us:020 4634 2038