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TWI Certification
Certification Scheme for Personnel
Compliance through Competence
Welding Inspection

Visual Welding Inspectors/Welding Inspectors/Senior Welding Inspectors
Non Destructive Testing and Plant Inspection personnel 


5 year renewal

Please complete the Renewal Application Request.  CSWIP will then issue you with the relevant renewal documentation.

In summary, the Renewal Requirements are:

  • verified work experience record covering at least 4 out of the 5 years that your certificate is valid

  • a record of your Continuing Professional Development (CPD), of at least 35 hours per year

  • a record of Professional Experience form

  • one recently taken passport size photograph

  • one original CSWIP certificate

  • recent eye sight test certificate to the standards detailed in the relevant scheme document (taken within the last 2 years)


10 year re-certification

Please complete the Re-certification Assessment Request.  CSWIP will then issue you with the relevant renewal documentation.

At the 10 year re-certification stage all candidates are required to sit an examination, in addition to providing documentary evidence as outlined in the 5 year renewal requirements listed above.

Once CSWIP has assessed the paperwork, an approval letter stating that the candidate has met the requirements will be issued.  Upon receipt of this approval letter, candidates can then contact their local examination venue or TWI Training & Examination Services to book their 10 year examination (the letter must be shown at the examination venue).