Emily Hibbert as Jane Morris and Oliver Bardell as Dante Gabriel Rossetti in If I Can, a depiction of the lives, loves and art of William Morris and the pre-Raphaelite painters who lived with him at the Red House

Be careful what you wish for. When Katherine Tozer wrote a blurb for her multimedia theatre company Palimpsest saying that they “summon hauntings” at the historic houses where they stage their shows, she was being metaphorical. Recent events have made those hauntings feel a bit more literal.

Not that Tozer, a head-screwed-on 40-year-old actress turned producer and director, is the sort of person you’d expect to start blaming ghosts for production mishaps. And yet she can’t figure out another way of explaining what has been going on at her latest show.

If I Can is a depiction of the lives, loves and art of William Morris and the pre-Raphaelite painters who lived with him at the Red House in Bexleyheath, Kent, in the first half