Just measure from the centre of the wheel to the top of the wheel arch vertically up , Standard van is 460 on a T6 and we see them 470 on theT6.1
if the van was lifted 35 mm ( which i doubt VW would do ) the measurement will be 495 approx. , yours doesn't look anything like that , i would say that van is standard height or 10 to 20 mm lowered