Worse than Reuters median forecast of 16.0 bln.
Highest since £20.4 bln in November 2010.
On the plus side, February PSNB revised down to £12.2 bln from previous £15.2 bln.
UK cumulative April-March 2011/2012 PSNB ex-financial sector interventions 125.974 bln vs govt target of 126 bln.
