With a £7,500 gross contribution under relief at source, total pension tax relief is £3,375. Net cost to you: £4,125 (£344/month). Under salary sacrifice, the effective cost drops further to £3,975.
Use the full calculatorOn a £150,000 income you are an additional-rate taxpayer paying 45% on income above £125,140. Your marginal income tax rate is 45%.
Under relief at source, your provider claims 20% basic rate relief automatically. You claim the remaining 25% extra relief via Self Assessment — totalling £3,375 on a £7,500 contribution.
Under salary sacrifice, your gross salary is reduced by £7,500 before income tax and National Insurance are calculated. This saves you income tax and employee NI (saving an additional £150), bringing your effective net cost down to £3,975. Your employer also saves NI of £1,125 — some employers pass this saving into your pension.
Model your own figures — change income, contribution amount, method or region in the full calculator.
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