We use analytics cookies to see how visitors find and use this site. They stay off unless you accept, and you can change your mind any time from the link in the footer. Read our privacy policy.

Free tool

CP12 renewal date checker

The CP12 renewal checker is a free tool that works out when a landlord gas safety record is due, and the earliest date it can be renewed without resetting the annual cycle. Enter the date of the last gas safety check and see exactly when the Landlord Gas Safety Record is due, and the earliest you can renew while keeping your annual date.

Use the date the check was carried out (shown on the record). Everything is worked out in your browser, so nothing is sent or saved.

This is a guide, not a legal record. A valid Landlord Gas Safety Record (CP12) can only be issued by a Gas Safe registered engineer after an in-person check. Dates assume a standard 12-month cycle; always confirm against your own record.

How the renewal date works

A CP12 (Landlord Gas Safety Record) is valid for 12 months. Under the Gas Safety (Installation and Use) (Amendment) Regulations 2018, you can have the next check carried out up to two months early, any time from 10 to 12 months after the last check, and keep your original renewal date, so your annual cycle doesn’t drift earlier each year.

Renew earlier than 10 months (or late, past the deadline) and the date resets to 12 months from the actual check date. That’s why this tool shows both the due date and the earliest “renew from” date.

For the full picture, read how long a CP12 is valid and how to track gas safety renewals.

Questions

How long is a CP12 valid?

Twelve months from the date of the gas safety check. The next check must be done by that anniversary to keep a rented property compliant.

Can I renew a CP12 early without changing the date?

Yes. If the new check is carried out between 10 and 12 months after the last one, the renewal date stays 12 months from your original date rather than resetting to the new check date. This checker shows that “renew from” date for you.

Does this tool issue a CP12?

No. It only works out dates. A valid Landlord Gas Safety Record can only be issued by a Gas Safe registered engineer after an in-person check; this is a planning aid, not a certificate.

Is my data stored?

No. The calculation runs entirely in your browser. The date you enter is never sent to a server or saved.

Checking dates one by one? Manifold does the whole portfolio.

Track every property’s next-due date in one place and let Manifold chase renewals for you, 60, 30 and 7 days out, then overdue. In early access for UK gas engineers.

Get early access