For basic rate taxpayers making mandatory pension contributions via sacrifice, what usually happens to their net pay compared to pre-sacrifice net pay?

Answer

Net pay is very close to the pre-sacrifice net pay because the NI saving often offsets the reduced gross income.

For basic rate taxpayers, the savings achieved through reduced National Insurance contributions often compensate significantly for the reduction in gross salary, keeping net pay nearly stable.

For basic rate taxpayers making mandatory pension contributions via sacrifice, what usually happens to their net pay compared to pre-sacrifice net pay?
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