CIDB Grading Explained: The Complete 2026 Guide
Confused by Grade 1GB vs 4CE? We break down the CIDB grading system, financial requirements, and what tenders you qualify for.
Decoding the Code: What is 4GB?
A CIDB grade consists of a number (1-9) and two letters (Class of Work). The number tells you HOW MUCH (value) you can build. The letters tell you WHAT you can build.
The Classes of Work
| Code | Description | Typical Projects |
|---|---|---|
| GB | General Building | Schools, Houses, Clinics |
| CE | Civil Engineering | Roads, Bridges, Dams |
| ME | Mechanical | HVAC, Pumps, Steel Works |
| EP | Electrical | Wiring, Substations, Lighting |
Grading Levels and Values (2026)
| Grade | Tender Value Limit | Required Turnover |
|---|---|---|
| 1 | R500,000 | None |
| 2 | R1,000,000 | R150,000 |
| 3 | R3,000,000 | R450,000 |
| 4 | R6,000,000 | R900,000 |
| 5 | R10,000,000 | R1,500,000 |
| 6 | R20,000,000 | R3,000,000 |
| 7 | R60,000,000 | R9,000,000 |
| 8 | R200,000,000 | R26,000,000 |
| 9 | Unlimited | R78,000,000 |
How to Move Up a Grade
To upgrade, you cannot just show money in the bank. You must show a 'Track Record'. This means producing a Completion Certificate for a project you successfully finished. The size of that past project determines your next grade.
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CIDB Grading Explained: The Complete 2026 Guide
Confused by Grade 1GB vs 4CE? We break down the CIDB grading system, financial requirements, and what tenders you qualify for.