Visual Gas Appliance Risk Assessment (CP9)
A CP9 is a visual risk assessment of a gas appliance where the engineer cannot carry out a full safety check, for example due to restricted access or the appliance being sealed. It records the visible condition, any signs of deterioration, and a risk classification. Gas Safe guidance sets out the criteria for visual assessments when a full inspection is not practicable.
Sample CP9 certificate

Sample CP9 with fictional data. All personal details shown are fake.
What it covers
- Visible appliance condition assessment
- Signs of deterioration, staining, or damage
- Flue terminal condition (external visual check)
- Ventilation provision adequacy
- Risk classification and justification
- Recommendations for further investigation or remedial work
Who needs a CP9?
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Frequently asked questions about CP9
When would a visual risk assessment be used instead of a full check?
Does a CP9 replace a CP12 for landlords?
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