The right cleaning schedule is not about how big your home is. It is about how fast it gets untidy, and that comes down to four things: how many people live there, whether there are pets, how much cooking happens, and how much of the day the house is actually occupied.
Weekly service makes sense when the house is busy. Two or more people at home most days, a dog or cat shedding, real cooking happening in the kitchen most nights. In those households the kitchen and bathrooms reset roughly every seven days whether you like it or not, and stretching to two weeks means every visit starts as catch-up rather than upkeep.
Biweekly is the most common choice for good reason. If the house is empty during the working day, if there is one pet or none, and if you handle dishes and surfaces as you go, two weeks is comfortable. This is the default we quote unless the walkthrough says otherwise.
Monthly works when you already tidy consistently and what you actually want is the heavier work handled: floors, bathrooms, dusting behind things, the jobs that are easy to keep postponing. It is not enough on its own for a busy family home, and we will say so rather than sell you a schedule that will disappoint you.
Two practical notes. First, if your home has not had a professional clean in six months or more, start with one deep clean and then begin the recurring schedule. Otherwise the first several regular visits get eaten by build-up and you never see what the service is actually like. Second, the schedule is not permanent. Households change, and it is normal to move between weekly and biweekly across a year. Tell us and we adjust the plan.
If you are not sure which to pick, book the more frequent option for the first two months. It is far easier to notice you are comfortably ahead and step down than to spend three months feeling like the house is never quite caught up.