Expert Boiler Installation in London
Get a new boiler installed from £1,690
& Spread the cost of your boiler replacement with our finance package.
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Serving London with Expert Solutions When You Need Them Most
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We've got a new boiler for every budget
Viessmann
✔ Up to 94% efficiency, compact design
✔ Built-in Wi-Fi & smart controls
✔ Low NOx emissions – environmentally friendly
✔ 7-year warranty as standard
✔ Ideal for flats and smaller properties
Worcester Bosch
✔ Up to 94% energy efficiency (A-rated)
✔ Quiet operation – ideal for small to medium homes
✔ Compatible with smart thermostats
✔ Up to 10 years warranty
✔ Trusted brand with excellent reliability
Glow-worm
✔ A-rated for efficiency
✔ Budget-friendly without compromising quality
✔ Compact and quiet – great for smaller homes
✔ 7-year warranty with Club Energy installer
✔ Perfect for rental properties and first-time buyers
New Navien
✔ Up to 94% efficiency (A-rated)
✔ Stainless steel heat exchanger for long-term durability
✔ Built-in Wi-Fi for smart monitoring and remote control
✔ 10-year warranty as standard
Vaillant
✔ 94% ErP efficiency rating – saves on energy bills
✔ Suitable for medium to large homes
✔ Quiet Mark certified for low noise
✔ Built in the UK with strong performance
✔ Great for landlords and growing families
Other Brands
Ideal
Cost-effective, reliable boilers with compact designs, digital controls, and Energy Saving Trust endorsement for efficient heating solutions.
Alpha
Efficient, compact boilers with easy-to-use controls, stainless steel heat exchangers, and strong reliability for cost-conscious homeowners.
Ariston
Modern, energy-efficient boilers with sleek designs, smart connectivity, and high performance for consistent heating and hot water.
Baxi
Affordable, energy-efficient boilers with up to 10-year warranties, hydrogen-ready, and uSense smart thermostat for enhanced control.
Not sure which boiler is right for your home?
Call our expert team on 020 3576 5825 for free advice and find your perfect match today.
Expert installers of the biggest boiler brands
— 0% interest over 12 months
Boiler Finance in London
Looking for flexible and affordable boiler finance in London? Ninja Boiler offers a range of payment plans, including 0% interest over 12 months, so you can upgrade your heating without upfront costs. With no deposit required and a quick eligibility check, getting a new energy-efficient boiler has never been easier or more accessible for London homeowners.
OUR TIME-TESTED TRIED AND TRUSTED PROCESS
Contact us 24/7
You can call us anytime; our helpful staff are here to provide assistance at any hour.
1 hour
Emergency call-outs are a priority; we'll get to you as quickly as we can, typically within an hour.
Issue, sorted
Our qualified AC technician will attend your property to resolve the issue.
Problem, solved
From start to finish, we take care of your maintenance needs and respect your space.
New Boiler Installation
We specialise in boiler installation in London and install A-rated, energy-efficient boilers from leading brands like Worcester Bosch, Vaillant, Ideal, and Baxi. Our experts will help you choose the right system for your home and budget.
Boiler Replacement
If your current boiler is old, inefficient, or frequently breaking down, we offer fast, affordable replacement services with minimal disruption.
Annual boiler servicing improves performance, extends lifespan, and keeps you safe. We inspect, clean, and tune your system to prevent costly breakdowns.
Boiler Servicing
Power Flushing
Improve your heating today with a professional power flush. Restore system efficiency and eliminate cold spots or noisy pipes. Great for older heating systems.
For fast and effective boiler repair in London, we fix all makes and models of boilers. From no heat to strange noises or leaks, our engineers diagnose and repair issues quickly. Emergency services available.
Boiler Repair
Schedule a boiler engineer
To deliver safe, efficient, and reliable boiler services that Londoners can trust, with a focus on rapid response, transparent pricing, and long-term customer care.
All of our installations are carried out by careful, caring, qualified engineers. You're in safe hands, with Heatable.
Expert, local installers
All-inclusive installations
Our energy saving installations come with everything you need, plus more. So whether you're looking to get your heating back on, we've got it all covered.
New Boiler
Up-to 12 Months
0% APR
Price Promise
Got a cheaper price? We'll match it.
Next day boiler installations
If ordered before 3pm
We serve London and the surrounding towns and commuter areas.
Enfield
Croydon
Newham
Brent
Ealing
Barnet
Wandsworth
Hillingdon
Kingston upon Thames
Guildford
Redbridge
Tower Hamlets
London
About Ninja Boiler
A Team of Full-service Reliable Boiler Professionals for Home and Office Needs.
Ninja Boiler is part of the Ninja Plumbers group—a trusted, family-run company known across London for its reliable plumbing, heating, drainage, and electrical services. With over a decade of experience, we bring professionalism, honesty, and expertise to every job.
We’re Here to Keep London Warm and Worry-Free
At Ninja Boiler in London, our mission is to provide fast, reliable, and transparent boiler services that keep your home or business warm and running smoothly—no matter the season. From expert installations to urgent repairs and routine maintenance, we’re committed to high-quality workmanship, honest pricing, and responsive customer care. With Ninja Boiler, you always know what to expect—and that’s heating you can count on.
Boiler Installation in London
At Ninja Boiler, we specialise in professional
boiler installation in London, delivering energy-efficient heating systems tailored to your home and lifestyle. Whether you're upgrading an old unit or fitting a boiler in a new property, our Gas Safe registered engineers provide fast, reliable service and expert guidance every step of the way. We install top brands like Worcester Bosch, Vaillant, and Ideal, ensuring quality and long-term performance.
Boiler Repair in London
When your heating system fails, trust Ninja Boiler for quick and effective boiler repair in London. Our skilled engineers are available for emergency callouts and same-day appointments, ready to fix leaks, low pressure, strange noises, or total breakdowns. We service all makes and models, and our diagnostics are backed by honest pricing and fast resolutions—so you can get back to comfort without delay.
Ninja Boiler Repair in London
Have an Emergency?
Need help with boiler, we offer affordable emergency services that are just a call away.
FAQ
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How much does a new boiler cost in London?
The cost of a new boiler in London typically ranges from £1,800 to £3,500, depending on the type of boiler (combi, system, or conventional), the brand, and the complexity of the installation. At Ninja Boiler, we provide fixed-price quotes with no hidden fees, and every installation includes a Gas Safe certified engineer, system flush, and a warranty of up to 10 years.
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Do you offer boiler finance options?
Yes, we offer flexible boiler finance options in London, including 0% interest over 12 months (up to £3,000). You can spread the cost with fixed monthly payments and no deposit required. Our quick eligibility check takes just minutes and doesn’t impact your credit score. It's never been easier to upgrade your heating without the upfront burden.
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How quickly can you attend emergency boiler repairs?
We aim to attend most emergency boiler repair callouts in London within 1 to 3 hours, depending on your location and the time of day. Our engineers are on standby for same-day service, especially during colder months when breakdowns are more common. Just call us on 020 3576 5825, and we’ll prioritise your case immediately.
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What type of boiler is best for my home?
The best boiler for your home depends on your property size, hot water demand, and existing heating setup.
- Combi boilers are ideal for smaller homes or flats with one bathroom.
- System boilers work well for larger homes with multiple bathrooms.
- Conventional (regular) boilers are suitable for older properties with traditional heating layouts.
- We offer free advice and site surveys to help you select the most efficient and cost-effective solution for your home in London.
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Is boiler servicing really necessary?
Absolutely. Annual boiler servicing in London is essential for safety, performance, and efficiency. It helps detect issues early, maintains your warranty, reduces energy bills, and ensures your boiler complies with Gas Safe regulations. At Ninja Boiler, our servicing includes full safety checks, cleaning, pressure checks, and diagnostics—giving you peace of mind and a longer-lasting system.
