Interior door cards retrimming?

I had a talk today with a local shop to do my door cards on my pretending rs2, which have all 4 perished their internal foam and the leatherette is bagging and dropping off.

Apparently the door cards are in one mould and hence the job to make the new leather/alcantara/ material in general to stick back in place is very difficult and takes long work hours, to the point that the shop wasnt even keen to touch the car. If the mould was in 2 pieces, ie the part covered by the leather could come off, then the work is dead easy as you take it apart, attach the leather/foam all the way to the back of the door card and reattach the 2 pieces together to last another 15 years.

As it isnt so, i was quoted that the work hours and materials to use proper leather replacement, im looking somewhere close to 160GBP per door card!!!

has anyone had experience with these bits and is that actually true?

Wrote to audi tradition as well, just in case they had those in, and they dont have them in stock, nor will they be getting them. So since i know this CAN be done properly, has anyone any thoughts on how to proceed?

thanks