Gas Safety Certificate (CP12)
Generate a landlord gas safety record. Fill in engineer details, property info, and appliance checks. Print or save as PDF. No sign-up required.
Engineer details
Property & landlord
Appliances inspected
Appliance 1
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Muster for Gas Engineers →What is a CP12 gas safety certificate?
A CP12 — officially called a Landlord Gas Safety Record — is a legal document that proves all gas appliances, fittings, and flues in a rented property have been checked by a Gas Safe registered engineer. Under the Gas Safety (Installation and Use) Regulations 1998, landlords must have gas safety checks carried out annually.
The CP12 must be given to tenants within 28 days of the check, or before new tenants move in. Landlords must keep records for at least 2 years. Failing to comply can result in fines of up to £6,000, imprisonment, or both.
Who can issue a CP12?
Only engineers registered on the Gas Safe Register can legally carry out gas safety checks and issue CP12 certificates. It is a criminal offence to do gas work without being Gas Safe registered. Customers can verify an engineer's credentials at GasSafeRegister.co.uk or by calling 0800 408 5500.
Frequently asked questions
Is this template legally valid?▾
This template follows the format required by the Gas Safety (Installation and Use) Regulations 1998. However, it's a fillable template — the legal validity depends on it being completed accurately by a Gas Safe registered engineer. For official digital certificates with Gas Safe notification, use certified software like Muster.
How often do gas safety checks need to happen?▾
Annually. The check must be carried out within 12 months of the previous check. Landlords can have checks done up to 2 months early without losing the anniversary date.
Do homeowners need a CP12?▾
No. The CP12 is a legal requirement for landlords only. However, homeowners are strongly advised to have gas appliances serviced annually for safety. Homeowners receive a gas safety record rather than a landlord certificate.
What happens if an appliance is unsafe?▾
The engineer must classify it as 'At Risk' (AR) or 'Immediately Dangerous' (ID). ID appliances must be disconnected immediately. AR appliances should not be used until the defect is repaired. The engineer must inform the responsible person in writing.