HR & Workforce · Mandatory · Construction

CSCS Card Register

A register of all CSCS cards held by workers on site.

Last reviewed: 29 March 2026 — This guide reflects UK law as of this date. CDM 2015 Best Practice remains current with no amendments enacted as of 29 March 2026. Next scheduled review: 29 March 2027.

Legal basis	CDM 2015 best practice — not a statutory requirement, but CDM 2015 Regulation 8 requires that all persons carrying out work on a construction site are competent to do so
Purpose	CSCS cards evidence occupational competence and are the industry-standard method of demonstrating that a worker holds the qualifications and training required for their role on site
Verification	The CSCS Smart Check app allows instant on-site verification of card validity, ensuring that expired, revoked, or fraudulent cards are identified before the worker begins work
Coverage	As of 2025, there are approximately 2.3 million CSCS cardholders across the UK construction industry
Card types	Labourer (green), Skilled Worker (blue), Advanced Craft (gold), Technician (white), Manager/Professional (black), Trainee (red)

1. CSCS Card Register

The CSCS card register is a site competence register that records every worker's Construction Skills Certification Scheme card details, verification status, and the date on which their competence was checked. While holding a CSCS card is not a legal requirement in itself, CDM 2015 Regulation 8 places a duty on principal contractors and contractors to ensure that all persons who carry out work on a construction project are competent to perform the tasks assigned to them. The CSCS card is the recognised industry standard for evidencing occupational competence, and the vast majority of principal contractors and clients mandate CSCS cards as a condition of site access.

The register should be maintained as a live document, updated every time a new worker arrives on site and checked against expiry dates on a regular basis. CSCS cards are category-specific and time-limited — a card that was valid when the worker first attended site may have expired since their last attendance. The register provides a single point of reference for demonstrating to the HSE, clients, and auditors that every person working on the project has been verified as holding a valid competence card appropriate to their trade or occupation.

There are six main card types within the CSCS scheme. The green Labourer card is for general construction operatives who have passed the CITB Health, Safety and Environment test. The blue Skilled Worker card is for operatives who hold an NVQ or SVQ at Level 2 in their trade. The gold Advanced Craft card is for those with NVQ Level 3 qualifications. The white Technician card covers site technical roles. The black Manager/Professional card is for those holding NVQ Level 6 or 7 qualifications, or chartered professional status. The red Trainee card is issued to those currently undertaking an approved apprenticeship or NVQ programme.

Use Smart Check at every site induction

The CSCS Smart Check app should be used at every site induction to verify each worker's card in real time. Smart Check confirms that the card is genuine, currently valid, and has not been reported as lost or stolen. Visual inspection of a physical card alone is not sufficient — counterfeit cards exist, and a card may have been revoked or may have expired since it was last checked. Recording the Smart Check verification result on the register provides an auditable record that the card was confirmed as valid on the date of induction.

2. Content

The CSCS card register should capture the following information for every worker on the project. Each entry must be completed at the point of induction and updated whenever a worker's card is renewed or replaced.

Field	Detail
Project reference	The project name and contract number to which this register relates, ensuring traceability across multi-site operations
Worker name	Full name of the worker as it appears on their CSCS card — must match the card exactly to avoid identity discrepancies
Trade / occupation	The worker's specific trade or occupation on this project (e.g. bricklayer, electrician, site manager), which must correspond to the category on their CSCS card
Employer / company	The name of the worker's employer or the subcontractor company through which they are engaged on the project
CSCS card type	The type of CSCS card held: Labourer (green), Skilled Worker (blue), Advanced Craft (gold), Technician (white), Manager/Professional (black), or Trainee (red)
Card number	The unique registration number printed on the front of the CSCS card, used for verification and audit purposes
Expiry date	The expiry date shown on the CSCS card — cards must not be accepted if expired, and the register must be checked regularly to identify cards approaching expiry
Verification method	How the card was verified: Smart Check app (preferred), online CSCS portal, or phone verification. Visual inspection alone is not acceptable as a sole verification method
Verification result	The outcome of the verification check: valid, expired, not found, or revoked. Only workers with a valid result should be permitted to commence work
Induction date	The date on which the worker attended the site induction and their CSCS card was checked and recorded on the register
Checked by	The name and signature of the person who carried out the CSCS card check and verification, providing accountability for the accuracy of the record

3. Common Mistakes

Allowing workers on site without a valid CSCS card

One of the most frequent failures on construction sites is permitting workers to begin work before their CSCS card has been verified as valid. This often happens under time pressure, when a subcontractor sends workers to site and the site team allows them to start "while the card is being sorted out." CDM 2015 Regulation 8 requires competence to be established before work begins. Allowing an unverified worker on site exposes the principal contractor to enforcement action and undermines the entire competence assurance system. No valid card, no site access — this rule must be applied without exception.

Not checking expiry dates on CSCS cards

CSCS cards have fixed expiry dates, and a card that was valid when the worker was first inducted may have expired during the course of the project. If the register is not regularly reviewed against expiry dates, workers may be on site with expired cards for weeks or months without anyone noticing. The register should include an expiry date column and should be reviewed at least monthly to identify cards that are approaching or have passed their expiry date. Workers with expired cards must be stood down until they produce a renewed card that has been verified through Smart Check.

4. Frequently Asked Questions

Is holding a CSCS card a legal requirement?▾

No. There is no law in England, Wales, or Scotland that makes it a criminal offence for a construction worker to be on site without a CSCS card. However, CDM 2015 Regulation 8 requires that persons carrying out work on a construction project are competent, and CSCS cards are the industry-recognised method of evidencing that competence. In practice, the vast majority of principal contractors, clients, and tier-one contractors require all workers to hold a valid CSCS card as a condition of site access. Many publicly funded projects and frameworks mandate CSCS cards as a contractual requirement. While a worker cannot be prosecuted solely for not having a card, they will in practice be refused access to most construction sites without one.

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