By saxtell@thekmgroup.co.uk (Sean Axtell) An historic Georgian home went up in rumbling “flames and explosions” on bonfire night. Julian Thatcher was abroad when he received messages this morning showing his property in Ash, near Sandwich, gutted by fire. A neighbour told how she banged on doors as flames meters high engulfed the house, known as Rose Hill, which is understood to have been occupied by intruders. Mr Thatcher, who does not live at the property in The Street, believes a “rogue firework” or “undue care” may have caused the building’s destruction. He told KentOnline: “I imagine ther…