There’s VASStechnik closer to
There’s VASStechnik closer to Pevensey Westham train station. They are the only VW, Audi, Skoda & Seat specialists in town, I think. They might not be familiar with camper conversion (they might suggest someone for conversion, I know there’s one in Shoreham but that’s too far) but I’d go there if you want a local VW specialist