Before fire engineering arrived in the late 1980’s all buildings complied with the precise limits of Building Regulations. Apart from record drawings and good housekeeping the owner had a relatively straightforward set of responsibilities. All that changes with Fire Engineered buildings. In the event of a claim or complaint the burden of proof would be on the owner to demonstrate that the strategy was being fully implemented. The only conceivable defence would be that the original assumptions were not valid, for example the Twin Towers. Without this audit trail link to the strategy, negligence would be an obvious conclusion. Many owners are blissfully unaware of the risks they are taking both on behalf of their employees and themselves personally. The law also has been turned 180 degrees to shift all the responsibility onto the owner, via the Workplace Regulations. Ignorance as a defence is completely excluded.