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Commercial builder

Commercial Builders are responsible for managing and arranging the carrying out of all components of building work for the construction of commercial buildings and structures. These include class 2 to 9 buildings and structures, and class 10b buildings not associated with a domestic building.

There are 11 classes of commercial building work.

A person registered as Commercial Builder (Unlimited) is responsible for carrying out, managing, and arranging all components of commercial building work.

A person registered in a Commercial Builder (Limited class) can only do certain types of commercial building work like low-rise buildings, waterproofing, or installing blinds and awnings.

Eligibility

Do you have the skills, knowledge, and experience to apply for registration as a commercial builder? There are different qualifications and experience requirements for registration in each class of commercial building work.

To see what skills and experience is required, go to What is commercial building work?

To apply for registration as a Commercial Builder, you will need to complete:

  1. Online application form
  2. Technical Referee Report

Application forms

Please follow the instructions carefully. Our application process changes from time to time.

To apply for registration as a Commercial Builder, you'll need to complete an online application form.

  • To start a new application, log in to BPC and start a new application from the 'Registration and licensing' page.
  • To continue an application, log in to BPC and find your draft application on the 'Registration and licensing' page.

Technical references

The BPC has moved to an online process for Technical Referee Reports for Domestic Builder, Commercial Builder and Demolisher classes, replacing the previous PDF format

To apply for registration as a Commercial Builder you will need to provide a technical reference confirming that they have directly supervised you carrying out the work listed. You may need to provide more than one technical reference. Your referees must be Commercial Builders registered in the same class or a class higher than the one you're applying for.

Please note:

  • Technical Referee Report requests will be sent directly to your nominated Technical Referee(s).
  • The BPC will notify you when your completed Technical Referee Reports have been received.
  • Your application form cannot be submitted until your Technical Referee Reports have been received by the BPC.

Last updated 15 October 2026
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