1 min read

Nov 17, 2025 11:35:15 AM

When it comes to efficient heating and hot water, combi boilers are a top choice for many London homeowners. At Trusted Boilers Ltd., we specialise in combi boiler installation across South London and North Surrey - including Sutton, Wimbledon, Croydon, Banstead, and Epsom.

What is a Combi Boiler?

A combi (combination) boiler provides both central heating and hot water directly from one compact unit. There’s no need for a separate hot water cylinder, making it ideal for homes with limited space.

Key Benefits of Combi Boilers

Space-saving design
Instant hot water on demand
High energy efficiency
Lower installation costs

Why Choose Trusted Boilers for Your Installation?

Gas Safe registered engineers
Accredited installers for Worcester Bosch, Vaillant, and Viessmann
Fast, tidy, and professional service
Transparent pricing with no hidden fees

Our Installation Process

Free initial survey
Personalised recommendation based on your property
Quotation and scheduling
Professional installation (usually 1–2 days)
System testing and handover

Common Questions

How much does a combi boiler installation cost?
Typical installations range from £2,000–£10,000, depending on property size and requirements. Learn more about our installation services.

How long does it take?
Most installations are completed in 1–2 days.

Do you offer aftercare?
Yes - every installation includes a 1-year parts/labour warranty and access to ongoing maintenance.