Do you have a loft/loft access? If so, it might not be as tricky to get new cables in for upstairs.
It is alright/common to not have earthing on your lighting circuits that are older, and is generally fine if you only use plastic accessories.
The house we were working on had loads of stuff that had been "sorted" by the builder that did their kitchen, who had installed a load of new light fittings. They hadn't updated any of the actual wiring though!
They may have replaced the fittings and not the cables.
Check elsewhere in the house on the lights to see if there's an earth (CPC) present.
Do you have a loft/loft access? If so, it might not be as tricky to get new cables in for upstairs.
It is alright/common to not have earthing on your lighting circuits that are older, and is generally fine if you only use plastic accessories.
The house we were working on had loads of stuff that had been "sorted" by the builder that did their kitchen, who had installed a load of new light fittings. They hadn't updated any of the actual wiring though!
They may have replaced the fittings and not the cables.
Check elsewhere in the house on the lights to see if there's an earth (CPC) present.