The NATED N1-N6 Civil/Building Engineering qualification covers levels N1-N6 and is designed to provide the theory of Civil/Building Engineering and an optional practical component. You can attain a National Certificate or Diploma once you have worked 24 months (2000 working hours) in your field of study. This qualification consist of one compulsory part (N1-N6 theory) and two optional practical parts, beginners level (done between N1-N3) and advanced (done between N4-N6)