Surely the socket needs protection because its domestic and therefore not under use of a trained person (411.3.3 point i) UNLESS it is for a specific use and labeled as such (411.3.3 point b)
The cable needs to have RCD protection UNLESS it is surface mounted or buried by more than 5cm or enclosed in earthed conduit etc as specified in 522.6.6
The cable needs to have RCD protection UNLESS it is surface mounted or buried by more than 5cm or enclosed in earthed conduit etc as specified in 522.6.6