Dunno about indoors, but one of my bands has AT LAST got its first post-Lockdown gig on the August BH weekend.
There's a smallish beer garden in front of the pub where they want us to play, then the pub's own small car park, then a quiet side road, then the blank side of a large Sainsburys (which will be closed at the time). That means that we can (if necessary) play the gig completely unplugged, without even a vocal PA, which is how we've been rehearsing during lockdown.