EastEnders' Teddy Mitchell is set to shake things up in Albert Square in the upcoming episodes of the BBC One soap, as his son Harry drops a hint about their mysterious past. Following the sale of 1 Albert Square by Gray Atkins, Chelsea Fox finds herself having to relocate to number 20 and new owner of her former home is revealed as none other than Teddy himself.Teddy breaks the news to half-brother Billy and Honey Mitchell, revealing that he's the new owner of the property.This prompts the couple to share the chilling history of the house - how previous owner Gray murdered his wife Chantelle and Tina Carter within its walls.