Take a seat, be calm, take some time to set yourself ahead of entering reception.
Do not use unprofessional terminology.
Check your latest social posts are interview safe.
Think of perceptive questions to express that you're curious and have thought about the company.
Say thank you to your interviewer at the end and after by email or send a 'thank you' card by post.
Do not list items on your CV. This interview is an opportunity to submit the positives you have that your CV doesn't convey.
Suggestions for those looking for employment:
"Before you apply, make sure you unearth information about your prospective employer. Understand exactly what they do, their sector, their competition and principles. Stay on top of any issues or news in the sector."
Key things for this position:
Committed to work hard
The right to work in the United Kingdom is necessary