London trust to record annual deficit of between £180m and £191m after series of setbacks A leading London hospital trust is set to record an annual deficit of between £180m and £191m - the biggest overspend in NHS history, the Guardian can reveal. King's College hospital trust believes it overshot its projected £146m deficit for 2018-19 by a further £34m-£45m after it experienced a series of setbacks, documents seen by the Guardian show.