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Certificate of Work (CoW) for restricted building work (RBW) design
A Certificate of Work (CoW) is a memorandum that you need to provide with a building consent or amendment application, if your design includes Restricted Building Work (RBW).
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Submit a certificate of work
Submit the CoW together with your building consent application if it includes RBW.
The CoW must be completed and signed by the designer, licensed building practitioner (designer LBP), registered architect or chartered professional engineer.
The LBP have to demonstrate in the certificate of work, that RBW complies with the relevant clauses in the New Zealand Building Code and Standards.
If you apply for an amendment that affects RBW, you will also need to supply a revised CoW.
Additional Content
Refer to the Certificate of Design Work example below for help.
Our tip
If your building project includes restricted building work and you have not included the CoW in your application, we may send the application back.
Read more in our practice note:
Related topics
| Certificate of Acceptance (CoA) for unconsented building work | | https://www.aucklandcouncil.govt.nz/building-and-consents/Pages/certificate-acceptance-unconsented-building-work.aspx | Certificate of Acceptance (CoA) for unconsented building work | A CoA provides a limited assurance that we are satisfied unconsented building work complies with the current New Zealand Building Code. | | | | aspx | | | | | | | | | Building and consents | |
| Notify us of your Licensed Building Practitioner (LBP) | | https://www.aucklandcouncil.govt.nz/building-and-consents/building-consents/Pages/licensed-building-practitioner.aspx | Notify us of your Licensed Building Practitioner (LBP) | Find out how to notify us of Licensed Building Practitioners (LBPs) doing, or supervising, your restricted building work. | | | | aspx | | | | | | | | | Building and consents | |
| Restricted building work that needs to be done by a professional | | https://www.aucklandcouncil.govt.nz/building-and-consents/building-consents/Pages/restricted-building-work-done-by-professional.aspx | Restricted building work that needs to be done by a professional | Check if the work you want done needs to be done by a building professional. | | | | aspx | | | | | | | | | Building consents | |
| Certificate of Compliance (CoC) | | https://www.aucklandcouncil.govt.nz/building-and-consents/building-consents/building-certificates-compliance/Pages/certificate-of-compliance.aspx | Certificate of Compliance (CoC) | Find out what a Certificate of Compliance is and what you need to apply. | | | | aspx | | | | | | | | | Building and consents | |
| Apply for a Code Compliance Certificate (CCC) | | https://www.aucklandcouncil.govt.nz/building-and-consents/building-consents/code-compliance-certificates-ccc/Pages/apply-for-code-compliance-certificate.aspx | Apply for a Code Compliance Certificate (CCC) | Find out when and how to apply for a Code Compliance Certificate. | | | | aspx | | | | | | | | | Building and consents | |
| Declare that your building work complies with the Building Code through producer statements (PS) | | https://www.aucklandcouncil.govt.nz/building-and-consents/building-consents/code-compliance-certificates-ccc/Pages/prove-building-work-complies-with-building-code-through-producer-statements.aspx | Declare that your building work complies with the Building Code through producer statements (PS) | Prove that your building work complies with the Building Code by getting relevant producer statements for the design and construction of your project. | | | | aspx | | | | | | | | | Building and consents | |
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