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How Long Does SSSTS Last?

SSSTS lasts five years. A one-day refresher keeps it valid if you book it in time.

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Your SSSTS certificate lasts five years from the day you pass. Before it runs out, you can take the one-day SSSTS Refresher to renew it for another five years.

Miss the deadline and you will usually need to sit the full two-day course again.

5 yearscertificate validity
1 dayrefresher course
Before expirywhen to refresh

Full course vs refresher

SSSTSSSSTS Refresher
Length2 days1 day
Who books itNew supervisorsHolders whose certificate is still valid
ResultFive-year certificateA new five-year certificate

Why it matters on site

Contractors check expiry dates during inductions. An expired certificate can mean you cannot supervise until it is renewed. Booking the refresher early avoids that gap.

Thinking of moving up? Compare SMSTS vs SSSTS, or see how to become a site supervisor.

Moving into management? If your SSSTS is close to expiry and you now run a site, it may make more sense to book SMSTS instead of the SSSTS refresher.

Common mistakes with SSSTS renewals

The SSSTS certificate is valid for five years. The refresher is a short one-day course, but only if you take it before the certificate expires. Miss that date and you are back on the full two-day course.

  • Not checking the date on the certificate. Your five years start from the date you passed, not the date you started work as a supervisor.
  • Waiting for site to ask. Site checks happen at induction. If your certificate has lapsed, you may be stood down until you renew.
  • Assuming a different course counts. SMSTS or other safety courses do not automatically refresh your SSSTS.

When to book what

If your certificate is still valid, book the one-day SSSTS refresher. If it has expired, book the full two-day SSSTS course. If you now run sites rather than supervise teams, consider moving up to SMSTS instead of refreshing SSSTS.

Your renewal steps

  1. Find your certificate and note the exact expiry date.
  2. Set reminders six and three months before that date.
  3. Decide whether you still need SSSTS or should move up to SMSTS.
  4. Book the refresher or the full course, depending on the date.
  5. Keep a copy of the new certificate on your phone for site inductions.

Need help working out which course you need now? Send your details through the form above and we will check for you.

Useful links

Book your training with Coteca

From the HS&E test to SMSTS and SSSTS, Coteca books CITB courses at centres across the UK and online.

See CITB coursesCall 0208 099 4324

Frequently asked questions

How long is SSSTS valid?

Five years from the date you pass.

How long is the SSSTS refresher?

One day.

What if my SSSTS has expired?

You will usually need to book the full two-day course again.

Can I swap the refresher for SMSTS?

Yes. Many supervisors moving into management take SMSTS instead.

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