Vaillant Boiler Service St John’s Wood


Welcome to the home of Vaillant Boiler Repair Experts Holland Park. We are your local independent Vaillant Service Agent covering St. John’s Wood and the surrounding areas. All of our Engineers are extremely trained and professional, with vast knowledge of Vaillant appliances and access to in-depth technical information. A large compliment of extra parts enables our engineers to get your hot water, or heating, back working again quickly, and in most cases the same day!We maintain the complete range of Vaillant appliances,  Unvented Hot Water Cylinders, Gas Boilers, Electric Sink Heaters, from a day old to 20 years old.To arrange a Service or to find out more about our services,  please call on 07415 330494.


Annual boiler servicing can do wonders for your unit and your wallet. Our experienced heating engineers can visit your home and assess the condition of your boiler and find any signs of damage or wear and tear before they become a major problem. By preventing them from escalating, your boiler could last longer than expected. If you’re a landlord, it’s even more important to stay on top of the servicing of appliances in your properties. We can do this for you and supply you with the appropriate safety certificates.

Most Common Vaillant Boiler Fault Codes

Vaillant Boiler Model Fault Code Remedy
F.00 NTC Fault Call an engineer
F.22 Insufficient Water Pressure Repressurise Boiler
F.24 Pump Related Fault Check Pressure - If OK Call Engineer
F.28 No Ignition Ensure Gas to Property - If OK Call Engineer
F.75 Pump Related Check Pressure - If OK Call Engineer
F.76 Boiler Overheating Call Engineer
Why Choose Us

25+ years experience in Central Heating Services

London's most trusted Vaillant boiler repair & install specialists. We are fully accredited installers of Vaillant products.

  • Premium service by experienced professionals
  • Gas Safe registered engineers
  • 90% of parts are carried on vehicle
  • Trained and qualified staff
  • Emergency same day repairs
  • Competitive pricing without compromising standards
  • Fixed fee – no hidden costs
  • Available 24/7
  • Which Trusted Trader
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