Given that he has a conviction for possession of class As with intent to supply (not often reported, it was referenced in his trial for immigration fraud to the USA but predates online records), I find it very hard that he'd be able to claim asylum even with high profile backing.
Too much irony.
https://www.theguardian.com/uk-news/2021/apr/12/tommy-robinson-asked-wealthy-us-backers-help-claim-asylum?CMP=Share_AndroidApp_Other
1 Attachment