System Boilers
System Boilers in London
Designed for high-demand households
Powerful, reliable heating and hot water for larger homes — installed with 0% finance.
System boilers are a great solution for London homes with multiple bathrooms or high hot water usage. Ninja Boilers installs efficient, powerful system boilers that deliver consistent heating and hot water — backed by 12-month 0% interest finance.
Free, No-Obligation Quote
Get a Free Quote
Tell us about your boiler — we'll come back with a fixed quote.
Benefits
Why a system boiler could be right for your home
System boilers use a separate hot water cylinder to store heated water — ideal for homes where multiple taps or showers run at the same time.
Excellent for Multiple Bathrooms
Delivers strong hot water flow to several outlets simultaneously, with no drop in pressure.
Space-Saving Design
No cold water tank in the loft, freeing up storage and simplifying installation.
Renewable-Ready
Compatible with solar water heating systems for greener, cheaper hot water.
Pros & cons
What is a system boiler?
System boilers heat your home and a separate hot water cylinder. Unlike conventional setups, they don't need a cold water tank in the loft, making installation simpler and more space-efficient.
- Pro: Great for large households and multiple bathrooms
- Pro: Compatible with solar water heating
- Pro: Strong water pressure at multiple outlets
- Con: Needs space for a hot water cylinder
- Con: Not suitable for very small properties
Popular models
Top system boilers we install
- Worcester Bosch Greenstar 8000 Style System
- Vaillant ecoTEC Plus System
- Ideal Logic+ System
- Baxi Megaflo System
- Viessmann Vitodens 100-W System
- Glow-worm Energy System Boiler
Our Process
A simple, hassle-free journey
- 01
Initial Survey
We evaluate your heating system and household hot water needs.
- 02
Expert Advice
Tailored recommendations from Gas Safe engineers.
- 03
Efficient Install
Fast, tidy installation with minimal disruption to your home.
- 04
Flexible Finance
Spread the cost with 12 months 0% interest finance.
- 05
Aftercare
Annual servicing and maintenance options to keep things running smoothly.
Why Choose Us
Why choose Ninja Boilers
Trusted local engineers serving homes across London
Gas Safe registered — all installations certified
Transparent pricing — no hidden costs
Installation in as little as 24 hours
Flexible finance with 0% interest options
Aftercare and annual servicing available
FAQs
Frequently asked questions
Upgrade to a system boiler today
Powerful heating for larger homes, with 0% finance over 12 months. Call 020 3576 5825.