It's Not Illegal to Ride a Scooter on Pavement in the UK

It is not illegal to ride your scooter on the sidewalk, however you should be considerate to other users. Be aware that motorists of trucks and cars might not be expecting you to be on the sidewalk.

In the UK it is legal in the UK to rent e-scooters on public roads (except motorways) and in cycle lanes. But it is not