I don't think she lives at Greyskull either. In the beginning before Ronnie was born, yes. But I get the impression that since before the pandemic it was just a film set. Ronnie and Henners running for the postman every day (for weeks) could easily have all been filmed in one day. Change of pyjamas and action
Cleaning content has been recycled so many times we could all spot it. Lonnie's bedroom took forever, she just couldn't be bothered.
The crem is also not a home. It's cold with no personal touches, bed side tables 2ft from the bed, only store cupboard food. Nobody's living there full-time.
It's certainly a tax dodge of some description, maybe Fiddle's got the kids and Sloth and Jimbob clear off to hotels or the campervan(?) for most of the week. Or maybe they have a glass and chrome London flat, I'm sure Soph would be happier there.