The PFI handback process is a crucial stage in the project life of any private finance initiative. A poorly executed handback can negatively impact both parties, i.e., the public sector and the private investor.

Firstly, it can result in disputes between the parties regarding outstanding issues, such as incomplete maintenance or performance targets, resulting in significant legal costs.

Secondly, there could be operational disruptions due to incomplete work or unfinished projects, adversely affecting service delivery quality or the condition of the buildings at handback.

Finally, financial implications like penalties for delays or contractual breaches may arise if the handover process takes more time than expected.

Another significant consequence of a poorly executed PFI handback process is reputational damage for all stakeholders involved. Such damage includes harm to investors' reputation, willingness to invest in future opportunities, and contractors' credibility regarding the delivery of FM services. Moreover, poor publicity from media coverage may impair trust among potential clients and hinder future operations for both sectors.

In conclusion, undertaking best practices for successful PFI handbacks is critical since avoiding these consequences requires full cooperation and coordination between stakeholders during this phase of any PFI. Nonetheless, understanding what happens when things go wrong underlines the importance of thorough preparations before starting this task. Ultimately, it becomes essential to ensure that every stakeholder understands their responsibilities and communicates clearly in the lead-up to and throughout this transition period to avoid undesirable outcomes.