Homonculus
Maintenance companies are still running as this is work that can’t be done from home so there is nothing stopping the maintenance company sending someone to pick up your aircraft or you taking it to the maintenance company. 6.2 (f) that is work of facilitating work.
The bottom line is if social distancing is met then no harm is done and if the worst happens and the police hand you a £30 fine you are £170 up on the deal as an EASA ferry permit is £200.