Which CSCS card,
and who actually checks it.

The colour follows the qualification. Green is for labourers, blue for skilled workers with an NVQ Level 2, gold for supervisors and advanced craft at Level 3, black for managers at Level 6 or above, white for academically qualified professionals, red for trainee and temporary categories, and yellow for visitors. Most last five years. A first-time green labourer card lasts two.

Is a CSCS card a legal requirement?

Both halves of this are true and most writing on the subject picks whichever suits it.

There is no law requiring a CSCS card. What the law requires, under CDM 2015, is that people carrying out construction work have the necessary skills, knowledge, training and experience, and that whoever appoints them takes reasonable steps to check it. The card is not that duty; it is the ordinary evidence of it, and it is the evidence the industry has settled on.

What makes it feel compulsory is contractual. Most principal contractors require a card for site access, it is written into subcontract terms, and the person on the gate has no discretion. So an operative without a card is not breaking the law and is also going home.

The practical consequence for a firm: treat cards as a site-access and competence-evidence requirement rather than a legal one, and remember that the card evidences the duty rather than discharging it. A card does not make somebody competent for a task their qualification does not cover.

Which CSCS card do you need?

The card that gets forgotten is the white one. The QS who has never needed to be on site until the day they do is the person turned away at the gate.

How do you get a CSCS card?

Three steps, in this order, and the order matters because people frequently do them the wrong way round.

1. Hold or be working towards the qualification. The card follows the NVQ or equivalent, not the other way round. For a green card the requirement is lighter, typically an approved health and safety awareness qualification.
2. Pass the CITB Health, Safety and Environment test at the right level for the card: operative, specialist, or managers and professionals. The test has a validity window, so passing it years before applying does not help.
3. Apply to CSCS for the card itself, which carries its own fee separate from the test fee.

Costs are deliberately not stated here as figures. The test fee and the card fee are set separately and both are reviewed, and a number in an article read eighteen months from now is worse than no number. Check the current fees at cscs.uk.com and on the CITB test booking service. What does not change is the structure: two fees, plus whatever the underlying qualification cost, plus somebody's time.

The expiry is the part that costs you

Most cards run five years, and a first-time green labourer card runs two. That is long enough that nobody remembers, and short enough that it happens on every job.

The failure is entirely predictable. A card checked at induction in March is a valid card. Nothing about your induction record changes when it expires in September, and the operative continues working until somebody at a gate on a different site notices.

Which makes this a specific case of the general problem in the certificates that expire without anybody noticing: the date has to be held as data with something watching it, because the document itself will never tell you.

One practical note. Cards can be checked electronically rather than by eye, which is worth knowing because a photograph of a card in a WhatsApp thread proves the card existed on the day the photograph was taken and nothing else.

The card is not the only ticket

Worth stating because firms treat CSCS as the whole competence question and it is not.

Plant operators need CPCS or NPORS. Access equipment needs IPAF or PASMA. Gas work needs Gas Safe registration. Electrical work needs a competent person scheme. Asbestos, confined spaces, first aid and face fit testing all carry their own certificates, their own renewal cycles and their own expiry dates. A blue card and nothing else is not evidence of competence to operate a telehandler.

Where to start, on Monday

List everybody who might need to be on a site in the next six months, including office staff, and check two things against each: which card they hold, and when it expires. The people who fail this are rarely the trades, who deal with it constantly. They are the estimator, the QS and the contracts manager who have never needed one until the week they do.

Then pick the expiries falling in the next ninety days and start them now, because a card renewal involves a test booking and a card in the post, and neither is same-day.