Not sure who has a "housekeeper" these days. To me that means someone who is around daily or almost.
I have a house cleaner who comes 2x/ month who cleans, just basics: dust, vacuum, baths, kitchen, mop- Sometimes cabinets get wiped or other small extras, but that's it-
No house cleaners routinely do windows, without charging an extra fee, if they do it at all- That's my experience.
Now if you get someone more frequent (a "housekeeper") and the tasks are defined upfront, maybe!