Boiler Installation, Servicing & Repairs in London

Professional Gas Boiler Services for Homes & Businesses

At Green Flame London, we provide professional boiler installation, servicing, maintenance and repair services for residential and commercial properties throughout London and the surrounding areas.

Our Gas Safe registered engineers specialise in all aspects of heating and hot water systems, delivering reliable, energy-efficient solutions tailored to your property's requirements. Whether you need a new boiler installation, annual servicing, emergency repairs or a complete heating system upgrade, our experienced team is here to help.

We work with leading manufacturers to provide high-quality heating solutions that maximise efficiency, reduce energy consumption and ensure long-term reliability.

Boiler Installation

A modern, energy-efficient boiler can significantly reduce heating costs while improving comfort and reliability.

Our engineers install a wide range of boilers, including:

• Combi boilers
• System boilers
• Regular (conventional) boilers
• Gas condensing boilers
• Commercial boilers
• High-efficiency heating systems

We provide a complete installation service, including:

• Free site survey
• Heating system assessment
• Boiler sizing and selection
• System upgrades
• Pipework modifications
• Smart heating controls
• Commissioning and certification

Our team will recommend the most suitable boiler for your property, ensuring maximum performance and efficiency.

Boiler Replacement & Upgrades

If your existing boiler is unreliable, inefficient or approaching the end of its lifespan, replacing it with a modern high-efficiency model can significantly reduce running costs and improve system performance.

Benefits of upgrading include:

• Lower energy bills
• Improved heating efficiency
• Increased reliability
• Better hot water performance
• Reduced carbon emissions
• Smart thermostat compatibility
• Manufacturer warranties

We can advise on the best replacement options for your home or business.

Boiler Servicing

Annual boiler servicing is essential to maintain safety, efficiency and reliability.

Regular servicing helps:

• Improve energy efficiency
• Reduce fuel consumption
• Prevent breakdowns
• Extend boiler lifespan
• Maintain manufacturer warranties
• Ensure safe operation

Our comprehensive boiler service includes:

• Visual safety inspection
• Gas pressure checks
• Flue performance testing
• Combustion analysis
• Cleaning of key components
• Safety device checks
• Boiler performance assessment

We service all major boiler brands and models.

Boiler Repairs

If your boiler has developed a fault, our experienced engineers can quickly diagnose and repair the problem.

We repair all types of boiler issues, including:

• No heating or hot water
• Low boiler pressure
• Boiler leaks
• Fault codes and lockouts
• Ignition failures
• Thermostat issues
• Noisy boilers
• Circulation problems
• Pump failures
• Expansion vessel faults

Our aim is to restore your heating and hot water as quickly as possible while providing a long-lasting solution.

Commercial Boiler Services

Green Flame London provides specialist commercial boiler services for businesses, landlords, managing agents and commercial property owners.

We work on:

• Office buildings
• Schools and colleges
• Retail premises
• Restaurants and hospitality venues
• Healthcare facilities
• Apartment blocks
• Industrial units
• Commercial developments

Our commercial services include installation, maintenance, servicing, repairs and planned preventative maintenance contracts.

Landlord Gas Safety Certificates (CP12)

We provide Gas Safety Inspections and CP12 Gas Safety Certificates for landlords, letting agents and property management companies.

Our Gas Safe engineers will inspect all gas appliances and issue the required certification to ensure compliance with current regulations.

Services include:

• Landlord Gas Safety Certificates (CP12)
• Boiler servicing
• Gas appliance inspections
• Gas pipework inspections
• Safety compliance checks

Heating System Upgrades

Alongside boiler installations, we provide complete heating system improvements, including:

• Smart heating controls
• Wireless thermostats
• Radiator replacements
• Heating system power flushing
• Magnetic filter installation
• Hot water cylinder upgrades
• Zoned heating systems
• Energy efficiency improvements

These upgrades help improve comfort, reduce energy consumption and maximise system performance.

Why Choose Green Flame London?

✔ Gas Safe Registered Engineers

✔ Domestic and commercial heating specialists

✔ Boiler installation, servicing and repairs

✔ Landlord Gas Safety Certificates (CP12)

✔ Competitive pricing

✔ Fast response times

✔ High-quality workmanship

✔ Fully insured company

✔ VAT invoices provided

✔ Serving London and surrounding areas

Trusted Boiler Engineers in London

Whether you require a new boiler installation, annual servicing, emergency repairs or a complete heating system upgrade, Green Flame London provides professional, reliable and cost-effective heating solutions.

Our experienced engineers are committed to delivering exceptional service and ensuring your heating system operates safely and efficiently throughout the year.

Contact us today for a free quotation and expert advice.