New Boiler Installation in London
Get a new boiler installed from £1,690
& Spread the cost of your boiler replacement with our finance package.
Boiler offers fast, affordable boiler installation, boiler replacement, and 0% finance options to make your upgrade easy. Enjoy energy-efficient heating, expert service, and transparent pricing across London and Greater London.
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 gas engineer 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.
From Cold to Comfortable in 24 Hours
Get a brand-new, A-rated boiler installed quickly and affordably with our 12-month 0% interest finance. No deposit required. Fixed prices. Trusted engineers.
New Boiler Options
Energy Efficient & Finance-Friendly
New Boiler Installation in London
Need a new boiler installed in your home or rental property? Our Gas Safe registered engineers install energy-efficient boilers tailored to your household needs. We work with top brands and offer same-day or next-day installation slots.
Boiler Replacement in London
Is your current boiler old, noisy, or breaking down often? Replace it with a modern A-rated system and start saving on energy bills. We’ll safely remove your old boiler and professionally install your new one with minimal disruption.
Boiler Finance
Worried about upfront costs? With Ninja Boiler’s flexible finance, you can spread the cost of your new boiler over 12 months at 0% interest. Quick approval, no hidden fees, and no deposit required.
Boiler Types Covered
Boiler Types – Find the Right Fit
Discover the right boiler for your home—compare combi, system, conventional, and electric models for energy efficiency and performance.
Combi Boilers
Compact, efficient, and ideal for smaller homes or flats. No water tank needed, and hot water is delivered on demand.
System Boilers
Perfect for homes with higher hot water demand. Works with a cylinder but doesn't need a water tank in the loft.
Conventional Boilers
Great for older homes with traditional systems. Uses both a hot water cylinder and a cold water tank.
Electric Boilers
Ideal for properties without a gas supply. Quiet, compact, and eco-friendly with low maintenance.
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.
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.
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.
Get a new boiler in the blink of an eye
It’s not just what we do, it’s how we do it
You answer
Just a few quick questions about your boiler and your home – no technical knowledge required.
You pick
Choose from our fixed-price boiler options, recommended specifically for your setup and budget.
We fit
Your new boiler, flue, and accessories are installed by a certified engineer in as little as 24 hours.
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.
About Ninja Boiler
A Team of Full-service Reliable Boiler Professionals for Home and Office Needs.
- Gas Safe Certified – Safety and compliance guaranteed
- 0% Interest Finance – Flexible, affordable boiler plans
- Next-Day Installation – Fast turnaround across Greater London
- Upfront Pricing – No hidden fees or surprise costs
- Top Brands – A-rated boilers with up to 10-year warranties
- Smart Controls – Boost efficiency with optional thermostat upgrades
- Family-Run & Trusted – Honest, reliable service backed by years of experience
Need a New Boiler in London? Call Ninja today on 020 3576 5825
Trusted, local gas engineers in London for installation, repair, and maintenance
