The Fenestration Installation Level 3 qualification is for candidates who work or want to work as a conservatory installer or a window and door fitter in the glass industry. The qualification is at Level 3 and is ideal for apprentices looking to gain further qualifications as advanced installers.

It allows candidates to learn, develop and practise the skills required for employment and/or career progression in installing conservatories, windows and doors. This includes removing existing windows and doors, preparing and positioning windows and door units and installing the glass and panels.

Course Duration

20 Months

Entry Requirements

You will have to take a Skills Scan to ensure your current level of maths and English is at the required level.


• Practical observation in your workplace plus evidence of your skills and knowledge such as witness testimonies or training records.


After completing the Level 3 Apprenticeship, you can progress onto further study in the Glass Occupations sector or even a qualification in management.

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