Many thanks for the prompt reply!
i'm not sure on the thickness of the cable without taking a look, I presume the standard thickness....... as for the length of the cable its about 9 / 10 metres.
Oven: Neff U1722
Hob: Neff T1213
I know that the Main Oven on the Neff has a total load of 4Kw as the for the Hob:
Front left rating (kW) 1.2
Back left rating (kW) 2.2
Front right rating (kW) 2
Back right rating (kW) 1.2