private peadiatric physio advice

Hi,
Im just wondering if any one has any advice or experience with private peadiatric physiotherapy. I have been approached by a family who have a child with cp and they have asked me to work with her for a few hours a week.
However I dont have any idea about what to charge. What is a reasonable amount??
Im a senior band five with peadiatric experience, I dont want to over charge and feel I am ripping them off but also want to know what a standard rate is to charge.

any advice would be much apprichiated
many thanks

What you charge depends on your costs and then what a normal physio session in your area for that type of service would cost. don't undersell yoursell and include all the time it takes to get there and get home. It would be completely normal to charge anywhere from £60-£100 for an hr session. Of course you can negotiate on cash and frequency etc.