The qualification requires you to complete 6 units (all of which are mandatory) which include the assessment of both practical skills and knowledge. The topics covered are:

- Understand how to organise resources within BSE
- Understand and apply domestic cold water system installation, commissioning, service and maintenance techniques
- Understand and apply domestic hot water system installation, commissioning, service and maintenance techniques
- Understand and apply domestic central heating system installation, commissioning, service and maintenance techniques
- Understand and carry out electrical work on domestic plumbing and heating systems and components
- Understand and apply domestic sanitation system installation, commissioning, service and maintenance techniques