Feb. 1, 2026
If you rent out properties in England, Wales, or Scotland, you must have a valid gas safety certificate for each property with gas appliances. This isn't optional - it's a legal requirement that protects your tenants and keeps you compliant.
A gas safety certificate (also called a Gas Safety Record or CP12) confirms that all gas appliances, fittings, and flues in your property have been inspected and deemed safe by a Gas Safe registered engineer.
You must have a valid gas safety certificate:
A gas safety inspection covers:
Gas safety certificates are valid for 12 months. You can book your next inspection up to 2 months before expiry, and the new certificate will run from the expiry date of the old one (not the inspection date).
Failing to maintain a valid gas safety certificate can result in:
1. Forgetting the annual renewal
With certificates lasting only 12 months, it's easy to miss deadlines - especially if you manage multiple properties.
2. Using non-Gas Safe engineers
Only Gas Safe registered engineers can legally carry out gas safety inspections. Always verify their registration number.
3. Not keeping records
You must keep copies of gas safety certificates for at least 2 years, and provide copies to tenants within 28 days of inspection.
The simplest way to avoid gas safety issues is to automate your reminders. OnTop Portfolio tracks all your gas safety certificate deadlines and alerts you 60-90 days before expiry - giving you plenty of time to book engineers and avoid last-minute stress.
With automatic deadline tracking, you never miss a renewal date, your tenants stay safe, and you stay compliant.
Ready to simplify your gas safety compliance? Try OnTop Portfolio free for 30 days - no credit card required.