What's included in a gas safety inspection (CP12) or boiler service?

The landlords gas safety inspection will record each gas appliance and whether or not they are safe to use at the time of inspection. The full inspection will include the following:

• Check the appliances for gas tightness
• Check the standing and working pressure if test points are available
• Check the burner pressure/gas rate against the manufacturer's data plate
• Check for the satisfactory provision of all necessary ventilation
• Test the flue flow to ensure removal of products of combustion
• Check the satisfactory operation of safety devices
• Check for physical stability, presence and effectiveness of brackets (where appropriate)
• Investigate any evidence of unsafe operation and report to the landlord
• Issue landlord gas safety record

(For policies/plans that include a boiler service): The gas fired boiler at the property will be serviced to meet statutory requirements, manufacturer’s recommendations and relevant codes of practice. A full boiler service carried out will include the following:

• A full inspection of the entire chimney structure inspection and, where necessary, cleaning of the burner, combustion chamber, any injectors and heat exchanger
• Inspection of ignition devices i.e. pilot lights and/or spark and flame sensing electrodes
• Checking the integrity of all seals and gaskets
• Ensure that any condensate traps and drains are free from debris
• Testing the appliance in accordance with manufacturer's instruction to ensure:
- The heat input and/or operating pressure are correct  
- The effectiveness of the flue  
- That all ventilation requirements are to current standards  
- The correct operation of all safety devices and that the boiler is safe for continuous use
• A final combustion analysis and measurement against tolerances set by the manufacturer's instructions
• A test of any disturbed gas connections
• Carry out functional testing of heating and hot water
• A visual inspection of any other encountered gas appliances
• Written notification of any gas safety defect which may affect the safe operation of your appliances
• An assessment of your current heating controls and best practice advice regarding energy efficiency.