A venue specialising in plant-based cuisine, which opened a year ago, is set to close doors at the end of the month — with owners lamenting that it was ‘ahead of our time’. Gemma Whitelock, who runs The Allotment Kitchen and Deli at the Gusto House, Collingham, announced yesterday (July 9) that the business will cease trade at the end of this month. The premises which opened last July, focuses on sustainability — with a vegan and vegetarian menu and space decor. However, the location of the space and the type of offer provided have made it difficult for the hospitality business, forcing manage…