The average cost of a Nanny per hour will run from $12.00 to $20.00 per hour depending on family situation and Nanny qualifications. Our NO FEE Policy. Nanny Poppinz does not charge a fee of any kind UNTIL we provide you with the Nanny of your choice.he cost also varies owing to the location (state and city). In the basic case of 1 child for a short time (4 hours) salary to the Nanny will vary from minimum wage to $20 per hour.