Dutton Kit Cars and their owners
If its an S3, wet weather gear is available from Monsoon, down on the South coast, it ain't cheap, good hood about 250 and doors 200.
link to their site http://www.monsooncarhoods.co.uk/
Monsoon bought out Polyfacto who made the original Dutton softworks...
Monsoon can make a new hood but you'll have to supply your door frames in good order as the tooling for the door frames was disposed of when Monsoon took over Polyfacto. Personally compared to other soft top prices their prices are pretty fair in my view, they are in the business of making money after all.