Click on the image to see how GOV.UK describes the requirements and the need for competent person schemes.
Don't forget- It is a legal requirement to be registered with the appropriate body prior to carrying out any work.
You must evidence that you have been trained, assessed and passed in the relevant aspect of work that you wish to demonstrate competency in.
Click on the image for information from an awarding body, covering unvented hot water systems G3. Successful completion of this course will allow the installer to demonstrate their competence in the installation and will allow self-certification of the installations. Meaning there is no need to call on the Building control officer.
The Construction Skills Certification Scheme proves your competency in site health and safety and is a requirement for any site work.
Once you begin on your journey within Construction and Building services, the chance to develop is endless. See the image which highlights the pathway and opportunity to develop and grow within your chosen pathway.