Salary Sacrifice Explained: Save Tax on Pensions, Bikes, and EVs

Instead of receiving your full salary and then buying something with after-tax money, you agree to a lower salary and your employer provides the benefit directly. For example: you sacrifice £200/month for a pension contribution. Your salary is reduced by £200, so you don't pay income tax (20-45%) or National Insurance (8%) on that £200. As a basic rate taxpayer, a £200 sacrifice only costs you about £144 in take-home pay — but £200 goes into your pension. Your employer saves on their NI contribution too (13.8%), and many pass some of that saving back to you.

This is the most common and potentially most valuable use of salary sacrifice. Instead of making pension contributions from your net pay (and claiming tax relief afterwards), the contribution comes directly from your gross salary. You save: income tax (20-45%), employee National Insurance (8%), and your employer saves 13.8% employer NI. Many employers add some of their NI saving to your pension pot — effectively giving you a pay rise. For a higher rate taxpayer sacrificing £500/month, the take-home pay reduction is only about £260, but £500+ (with employer NI saving) goes into the pension.

The Cycle to Work scheme lets you get a bike and accessories through salary sacrifice. Your employer buys the bike and you 'hire' it through monthly salary deductions over 12-18 months, typically saving 32-42% compared to buying it outright with after-tax income. At the end of the hire period, you can usually buy the bike for a small residual payment. A £1,000 bike might cost you only £580-£680 through the scheme. It's available for bikes up to any value (the £1,000 cap was removed in 2019), including electric bikes. Ask your HR department if your employer offers it.

EV salary sacrifice has become extremely popular. Your employer leases an electric car and you pay for it through salary sacrifice, saving income tax and National Insurance on the lease cost. The company car tax on EVs is just 2% of the list price (rising to 3% in 2025/26), making it incredibly tax-efficient. For a basic rate taxpayer, an EV lease that would cost £400/month privately might cost the equivalent of £250/month through salary sacrifice — a saving of £1,800/year. Insurance, maintenance, and breakdown cover are usually included. It's often the cheapest way to drive a new electric car.

Some employers offer workplace nursery benefits through salary sacrifice — a parent can receive unlimited tax and NI-free nursery provision if the employer contracts directly with the nursery. This can save thousands per year. Childcare vouchers (the old scheme, now closed to new entrants) also worked via salary sacrifice. Technology schemes let you buy laptops and phones through salary sacrifice. Private health insurance can be offered through salary sacrifice, though the tax benefit is limited (you pay tax on the benefit value but save on NI). Check what your employer offers — many have schemes that employees don't know about.

Salary sacrifice reduces your official salary, which can affect: mortgage applications (lenders look at your salary figure), statutory maternity/paternity pay (based on your reduced salary), student loan repayments (you repay less, but the loan takes longer to clear), and benefits entitlement (if your reduced salary falls below certain thresholds). For most people earning a reasonable salary, these impacts are minor. But if you're near the lower earnings limit or planning a mortgage application soon, consider the timing carefully. Always check that the salary sacrifice doesn't push your pay below the National Minimum Wage.