…vacuum & wash the floors? Once every 1 to 2 weeks.
Rugs should be vacuumed weekly (more often if you have pets) to keep dust, dirt and allergens at bay. Give floors a good wash once every couple of weeks. You might want to wash your kitchen floors a little more often, due to food bacteria that can spread around.
…clean the bathroom? Once a week at least.
The bathroom is the ultimate bacteria host; E.coli can be found within six feet of the toilet and in the sink. To keep it at bay, disinfect the toilet and sink at least once a week. The shower/bath every two weeks — more if you shower often.