The sustainable garden buildings can be designed to fit the customer’s space, mainly constructed off-site, and delivered and installed quickly. Tthe structures can be assembled easily: a simple garden office can be up and ready for use within five days. The structures typically employ Structurally Insulated Panel Systems (SIPS) clad in renewable cedar wood to ensure longevity and thermal insulation. With minimal maintenance, it can be expected to last for up to 60 years.