ESS analyses short walk‑round videos to generate environmental stability snapshots, offering clear corrective guidance to improve layout, visibility, and safety conditions. This is version 1. Version 2 is heading down the track which aims to improve the user's UI experience. The two static reports and analysis will remain + ' Google Street View ' style video for the user to review, save - still absolutely IPO/GDPR safe - no back end, 100% offline.