Combi Boilers in London
Space-Saving Heating for Modern Homes
Combi (combination) boilers are a top choice for homeowners across London thanks to their compact size, high efficiency, and reliable hot water performance. At Ninja Boiler, we install energy-efficient combi boilers tailored to your home—with 12-month 0% finance and fast turnaround times.
Combi boiler installation in London
What is a Combi Boiler?
A combi boiler combines central heating and hot water production in one compact unit. It heats water directly from the mains—so there’s no need for a separate hot water cylinder or cold water tank. This makes it ideal for smaller homes and flats in London where space is at a premium.
Pros:
- Space-saving (no tanks required)
- Hot water on demand
- High energy efficiency
- Fast installation
- Ideal for 1–2 bathroom homes
Cons:
- May struggle with simultaneous hot water use in larger homes
Benefits of Combi Boilers
- Energy Efficient – Only heats what you use, reducing waste
- Great for Flats & Small Homes – Compact size fits neatly in kitchens or cupboards
- Fast Hot Water – Instant hot water at mains pressure
- Low Installation Cost – Fewer components and quicker setup
- Modern Controls
- – Compatible with smart thermostats and remote apps
Upgrade to a Combi Boiler with 0% Interest Finance
Enjoy hot water on demand and lower energy bills. Book your installation today and spread the cost with 12-month 0% finance.
Installation Process – How It Works
- Free Home Survey – We assess your current system and hot water needs
- Expert Recommendation – We help you choose a suitable combi boiler
- Professional Installation – Installed by Gas Safe engineers in as little as 24 hours
- Flexible Finance Options – Spread the cost over 12 months with 0% APR
- Aftercare – Ongoing servicing and support to keep your system running perfectly
Popular Combi Boiler Models
- Worcester Bosch Greenstar 4000
- Vaillant ecoTEC Plus Combi
- Ideal Logic+ Combi
- Baxi 800 Combi
- Viessmann Vitodens 050-W
- Glow-worm Energy Combi
- Alpha E-Tec
Why Choose Ninja Boilers?
- Trusted Local Engineers – Based in London, serving homes city-wide
- Gas Safe Registered – All installations certified and compliant
- Transparent Pricing – No hidden costs or surprise charges
- Fast Turnaround – Installation in as little as 24 hours
- Flexible Finance – Spread the cost with 0% over 12 months
FAQs
Are combi boilers good for large homes?
Combi boilers work best in smaller to medium-sized properties with up to two bathrooms. For larger homes, system boilers may be better.
How long does it take to install a combi boiler?
Most installations are completed within a day, depending on your current system.
Can I replace my old boiler with a combi?
Yes. We’ll assess your system and advise if a combi is suitable for your property.
What size combi boiler do I need?
Boiler size depends on your home size and hot water demand. We’ll help you choose the perfect fit.
Do combi boilers work with smart thermostats?
Absolutely. All modern combi boilers are compatible with smart controls for added comfort and efficiency.
Book a Local Boiler Engineer Today
From installation to aftercare, Ninja Boilers is your trusted partner for Boiler Installations and Repairs in London. Whether you need help with a smart upgrade, an emergency fix, or a full commercial installation — we’re here to help.
