Because of a bizarre categorisation in the 2003 Licensing Act, strip clubs with pole-dancing are in the same grouping as pubs and cafes offering music and dancing such as karaoke.
If premises have a licence as a bar or restaurant then they apparently aren't covered by the Local Government (Miscellaneous Provisions) Act 1982, which requires "sexual encounter establishments" in London such as Soho peep shows to be separately licensed.
There were plans to change this through an amendment to the Policing and Crime Bill, but I've heard nothing since the bill was at second reading before the Parliamentary Summer Recess.