Most banks and building societies have improved the rates for their cash ISA products since the 5 April deadline passed.
Those now locked into fixed rate deals must be annoyed the new rates are considerably better than those advertised before deadline day.
Fixed rate deals:
BM Savings: 4.05% 2 year
Lloyds: 3.7% (min balance £10,000) or 3.4% 2 year
Cheltenham & Gloucester: 3.9% 3 year
Halifax: 4.5% (5 year); 4.35% (4 year); 4.25% (3 year); 3.7% (2 year)
Easy Access:
Virgin 2.85%
Santander 3.3%
Coventry 3.25% (60 days notice required)
Nationwide 4.25% (available to current account holders only)