The spin Seebeck effect is an exciting new development in the field of spintronics and future energy saving materials. The application of a small temperature gradient in a magnetic material effects a change in the magnetisation distribution profile, which has previously been measured using the voltage generated by the inverse spin Hall effect. We have used modified standard ISIS sample environment and bespoke thermocouples to prove we can provide a temperature gradient, of the order of 10 oC, vertically through a 100nm thick film. We propose to use polarised neutron reflectivity to make the first direct measurements of the magnetisation profile change with the application of a temperature gradient.