Annual Boiler Service — fixed prices

A full annual service on a domestic gas boiler by a Gas Safe registered engineer, ending with a service record for your warranty and your records. Manufacturers require an annual service to keep most boiler guarantees valid.

Typical UK fixed cost £90

Annual Boiler Service carried out by a UK plumbing company

Fixed prices for annual boiler service

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What's usually included

  • Gas Safe registered engineer attendance
  • Combustion analysis and flue gas readings
  • Clean and check of burner, heat exchanger and condensate trap
  • Gas pressure, safety device and seal checks
  • Written service record

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Annual Boiler Service — your questions answered

How often should a boiler be serviced?
Once a year. Nearly all manufacturer warranties and landlord obligations are built around an annual service by a Gas Safe engineer.
How long does a boiler service take?
Around 45 minutes to an hour for a standard combi in good condition.
Is a boiler service the same as a gas safety certificate?
No. A CP12 gas safety record is a landlord safety check on all gas appliances; a service is a clean and performance check on the boiler itself. Many companies list both.
What happens if a fault is found?
The engineer will tell you before doing any extra work. Parts and repairs sit outside the fixed service price and should be quoted separately.