From BREEAM® and CRREM to embodied carbon and greenhushing, real estate executives now face a growing set of sustainability terms, standards and regulations. Some of these rules are getting stricter over time: under current MEES regulations it is already unlawful to let offices with an EPC rating of F or G, and the Government has consulted on raising the minimum standard further. In this guide, we decode the key terms on the journey to net zero, from green leases and building rating systems to disclosure regimes such as SDR, SFDR and UK SRS.