On Saturday, 12 December 2020 at 17:22:20 UTC, David WE Roberts (Google) wrote:
Having bought my tiny one burger BBQ I am wondering about the practicality
of using it indoors.

Suggest you read:

https://www.cpsc.gov/Safety-Educatio...ns-and-Answers

Using a charcoal barbecue indoors is about as sensible as your checking your "email" for viruses before posting on a newsgroup. From your point of view, one might have more serious consequences than the other.