We provide professional combi boiler installation services across Sutton, Surrey and South London, helping homeowners upgrade to modern, energy-efficient heating systems. Combi boilers are compact, reliable and ideal for small to medium-sized homes — providing instant hot water and central heating without the need for storage tanks.
Whether you’re replacing an older system or fitting a new combi as part of a property upgrade, we ensure it’s installed properly, safely and with full certification.
Why Choose a Combi Boiler?
Combi boilers (short for “combination boilers”) are the most popular choice for UK homes thanks to their space-saving design and ease of use.
Benefits include:
- Instant hot water on demand
- No need for hot water cylinders or cold water tanks
- Lower installation and running costs
- Compact size fits inside most kitchen cupboards
- Efficient performance for homes with 1–2 bathrooms
- Fast heating with minimal pipe heat loss
- Compatible with smart thermostats
If you’re looking for a reliable and straightforward heating solution, a combi boiler may be the ideal choice.
Our Combi Boiler Installation Service
We carry out complete combi boiler installation with everything included — from removing your old boiler to fitting, testing and commissioning your new system.
Our service includes:
- Site survey and system assessment
- Removal and safe disposal of old boiler
- Installation of new combi boiler
- Flue and condensate pipe setup
- Gas pipework upgrades (if required)
- Pressure testing and safety certification
- Control setup and demonstration
- Manufacturer warranty registration
Every job is handled by Gas Safe registered engineers with years of experience.
Choosing the Right Combi Boiler
We install combi boilers from all major UK brands, including:
- Worcester Bosch
- Vaillant
- Ideal
- Baxi
- Glow-worm
We’ll help you choose the right model and output size for your property based on:
- Number of bathrooms
- Hot water usage
- Water pressure
- Radiator layout
- Available space
If a combi boiler isn’t the best fit, we’ll tell you — and recommend alternatives like system or regular boilers.
Upgrade From a Conventional or System Boiler
Switching from a system or regular boiler to a combi can save space and simplify your heating setup. It’s a common upgrade for smaller households and rental properties.
Our upgrade process includes:
- Decommissioning tanks and cylinders
- Re-routing pipework where necessary
- Rebalancing radiators and pressure
- Installing compatible smart controls
- Testing water pressure and flow rate
- Ensuring full Building Regulations compliance
We’ll walk you through the pros and cons so you know exactly what to expect.
Bathroom renovations
& Plumbing
