The cost · figures Parliament already knows
£3.24 billion a year, paid after the harm.
Paid out for clinical negligence, 2025/26
£3,238.5m
↑ 4.8% on 2024/25 · roughly the running cost of several large hospitals
New clinical negligence claims
15,236
↑ 5.6% on 2024/25 · a record, and the trend is up
Claimant legal costs
£622.2m
on small claims, lawyers' costs now exceed the damages paid
NHS's own legal defence costs
£188.4m
↑ 3.9% · spent proving what happened, after it happened
Provisioned for future liabilities£60bn+liability has quadrupled in twenty years — Public Accounts Committee, January 2026
Claims resolved without court proceedings84%the system already wants to resolve early; it lacks the tooling to see risk early
Decisions Nightingale makes on its own0every assessment carries a named human decision
The National Audit Office and the Public Accounts Committee have put clinical negligence cost on the political agenda and asked the Department of Health and Social Care for a plan to reduce patient harm and manage the cost. Nightingale AI is a concrete answer to that question.
Sources: NHS Resolution, Annual Report and Accounts 2025/26 (HC 421), Table 1, July 2026; National Audit Office, Costs of clinical negligence, October 2025; Public Accounts Committee report, January 2026.