It's looking good at that end of the station now. We now have a very 21st Century Windsor Side and the lower concourse is already looking good and will be better when more businesses join the ones already there. Putting the station toilets in that lower concourse was a good move because it gets more people down there. I've no idea if the plan is to reopen the former ones after refurbishment too.
My understanding was that the refurbished toilets would re-open in Autumn 2023, then I read somewhere (on a hoarding on the Waterloo Cab road I think) it was going to be Summer / Autumn 2024. I can't find any predicted date on line.
I am mostly happy with the temporary toilets in the bike racks because they are a lot closer to Platform 1 & 2 (where I normally get my train) than the old one. The downside with the temporary toilets is the cubicles are very, very cramped. It's difficult to squeeze in and close the door.
It would be nice if there were permanent toilet facilities at both ends of the station. Doesn't Paddington have toilets on Platforms 1 & 12?