A structural safety report warning of potential collapse risks at a residential tower block was left unescalated for more than a year, after administrative errors — reportedly including simple typographical mistakes in referencing and case-management systems — caused the document to fall through the cracks of the building safety oversight process. The revelation, emerging seven years after the Grenfell Tower fire prompted a wholesale overhaul of building safety regulation, will alarm investors, landlords and residents alike, and raises uncomfortable questions about whether the new regulatory architecture is delivering the rigour it was designed to guarantee.