They never name the abusers

I think I figured out who it is. The author, Emilia di Girolamo, was born at home on Nash Lee Road. Nash Lee Road is in Terrick, Aylesbury and in Wycombe district. Since she was a 14yr old girl, and lying about a sleepover for just one night, she'd have to been near home. The town proper of Aylesbury has the Aylesbury Civic Centre, and the only bands that played in 1985 was Sonic Youth, and Nick Cave and the Bad Seeds.. Sonic Youth is out, none of the members fit her description.

But in 1985, Nick Cave and the Bad Seeds were down to 4 members as Emilia writes. She also said he was also an actor and a model, Nick Cave was an actor, although I don't see anything explicitly written about modeling, he has a number of pics from '85 and he could definitely have been a model.