SMSTS refresher
If your SMSTS certificate is close to expiry you take the refresher, not the full course.
The refresher course
2 days, minimum 15 hours.
The refresher exam
Same format and pass mark as the full SMSTS exam: 25 questions, 32 marks, 35 minutes, 81% to pass.
Source: CITB Appendix H: SMSTS Refresher (v02.05, February 2026).
Our SMSTS mock test uses the same layout, so it works for the refresher too.
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SMSTS refresher questions answered
What is the SMSTS refresher?
A shorter course for people whose SMSTS certificate is nearing expiry. 2 days, minimum 15 hours.
What is in the SMSTS refresher exam?
Same format and pass mark as the full SMSTS exam: 25 questions, 32 marks, 35 minutes, 81% to pass.
Does our mock test work for the SMSTS refresher?
Yes. The refresher paper uses the same layout and pass rules as the full SMSTS exam, so our free timed paper is good practice for it.
How much does it cost to practise for the SMSTS refresher?
The first timed paper is free. Full access is 30 days full access for 30 days, no subscription, with a 14 day refund.