Rhubarb, the catering company, will open an eponymous restaurant, café and bar in Heathrow’s Terminal Three at the start of next month. With 130-covers, “rhubarb” at Heathrow, which will open on 1 July, will offer a brand new modern British menu that also features “traditional favourites from around the world”. The company also operates the food and drink concessions at the Royal Albert Hall, the Bond & Brook restaurant and the Gallery Mess in the Saatchi Gallery.