NOTE: This size of building is not freestanding and must be secured to a wall or similar for stability. The long established Belmont continues to thrive and remains an ever popular choice for customers. A combination of a classic design and a wide range of features and accessories culminates in a well ventilated, healthy and large growing space and with optional extras such as partitions, double doors and our superb package deals, the outcome is a superb greenhouse in one of the most popular sizes. FOR PACKAGE DEALS PLEASE DOWNLOAD PDF.