I've sent the pics to the forum administrators to post for me but the details are:-
Main switch is 'RCCB 80A 30mA'
Shower, Cooker, Sockets, Sockets are all 'D247 B32 400v IEC898'
Shed Sockets 'B20 then as above'
Heating, Lights 'B16 then as above'
no other empty slots.
There is...