UKVI announced new fees for visas & nationality applications for 2016-17
Please see the New announces for UK visa fees 2016 in the following link:
Most of the fees will be increased by 25 percent for settlement, nationality applications in 2016-17.
Visas for visitors, students and overseas workers will increase by 2 percent. The increase will apply to premium, priority services as well. All the fees for sponsorship categories will remain the same.