Went to Leicester VW today and Lee from the body shop had a look at both wings on my 2005 GTi with rust on both wings and where wings join the sills.
Without hesitation he confirmed that both wings will be replaced at NO COST TO ME and I will have a courtesy car as well. I will have to wait to July though as there is a back log.
He did not take any photos and just used a paint depth gauge to check no work had been done before.
He told me that just this week VW have acknowledged the issue!
So finally some good news