How much can I save through salary sacrifice?

It depends on your tax rate and the sacrifice amount. A higher-rate taxpayer sacrificing £5,000 for pension saves 40% income tax (£2,000) plus 2% NI (£100) = £2,100/year. The benefit costs them just £2,900 net rather than £5,000.

Does salary sacrifice affect statutory maternity pay?

Yes. SMP is calculated on Average Weekly Earnings which are based on your post-sacrifice contractual salary. A large pension sacrifice could reduce your SMP. Consider pausing sacrifice before the relevant assessment period.

Is salary sacrifice always better than employee contributions?

For pension specifically, salary sacrifice is almost always more tax-efficient as it also saves NI, whereas employee contributions only get tax relief. The exception is if sacrifice affects your mortgage, SMP, or state benefits entitlement materially.

Employment Law

Salary Sacrifice Calculator 2026/27 — Pension, Childcare & Cycle to Work

Salary sacrifice reduces your gross salary before tax and NI are calculated, saving money for both you and your employer. This calculator shows your exact take-home pay saving for pension contributions, childcare, or cycle-to-work schemes.

💼 Salary Sacrifice Calculator — 2026/27

Salary sacrifice reduces taxable pay — saving Income Tax and National Insurance for employee and employer.

Annual gross salary (£)

Sacrifice type

Annual sacrifice amount (£)

Employer also saves NI — split saving?

How Salary Sacrifice Works

In a salary sacrifice arrangement, you agree with your employer to give up part of your cash salary in exchange for a non-cash benefit — such as pension contributions, childcare, a bicycle, or an electric vehicle. Because your contractual salary is reduced, you pay Income Tax and National Insurance on a lower figure. Your employer also pays less employer NI — and many employers pass some or all of this saving back to employees.

The Most Common Salary Sacrifice Schemes

Pension contributions — the most valuable and common. No limit on contributions through sacrifice (though annual allowance and £60,000 cap applies to total pension contributions)
Childcare — workplace nursery schemes and employer-contracted childcare can be provided tax-free through sacrifice
Cycle to Work — up to £1,000 (or £1,500 for cargo bikes) of cycling equipment can be provided through sacrifice per year
Electric vehicles — a company EV through sacrifice attracts only 3% benefit-in-kind tax (2026/27), making it one of the most valuable perks available

Setting Up a Salary Sacrifice Arrangement Correctly

For a salary sacrifice arrangement to be valid in the eyes of HMRC, the change to your contract of employment must be genuine and effective — you cannot simply relabel part of your existing salary as a "benefit" while carrying on exactly as before. This means your employment contract needs to be formally varied (usually via a side letter or amended contract) to reduce your contractual cash salary, and the change needs to look forward rather than being applied retrospectively to salary you've already earned. Employers typically require a minimum commitment period, often 12 months, particularly for arrangements like pension sacrifice, since allowing employees to opt in and out at will can undermine the "effective" nature of the sacrifice.

Most employers also build in a "lifestyle event" clause allowing employees to change or exit a sacrifice arrangement mid-year if their circumstances genuinely change — for example, marriage, divorce, the birth of a child, or a partner's redundancy. This flexibility matters because salary sacrifice arrangements interact with several other calculations, from mortgage affordability to statutory payments, so being able to pause an arrangement during a major life change protects employees from unintended side effects.

Salary Sacrifice and Your Pension Annual Allowance

While there's no specific limit on how much salary you can sacrifice into a pension, the amount that can receive favourable tax treatment is still capped by the standard pension Annual Allowance — £60,000 for most people in 2026/27, tapering down for very high earners under the "tapered annual allowance" rules. Contributions above your available allowance don't receive tax relief and can trigger an annual allowance charge, effectively clawing back the tax advantage. If you're a high earner considering a large pension sacrifice, particularly around bonus time, it's worth checking your available annual allowance (including any unused allowance carried forward from the previous three tax years) before committing to a large one-off sacrifice.

Can my employer refuse to offer salary sacrifice?+

Yes. Salary sacrifice is entirely optional for employers to offer — there's no statutory right for an employee to demand it. Many employers do offer it for pension contributions specifically, since it also reduces the employer's own NI bill, but smaller employers may not have the payroll systems set up to administer it, particularly for less common benefits like cycle-to-work or electric vehicle schemes.

Do I lose out on state pension by sacrificing salary?+

Only if the sacrifice takes your earnings below the Lower Earnings Limit (the point at which you build up a qualifying year for the state pension), which for most full-time employees on typical salaries is unlikely from pension sacrifice alone. If you're on a lower salary and considering a substantial sacrifice, it's worth checking your payslip to confirm your post-sacrifice earnings still comfortably clear the Lower Earnings Limit, so your NI record and state pension entitlement aren't affected.

Does salary sacrifice affect my mortgage application?+

Yes — it can. Mortgage lenders typically use your contractual salary (after sacrifice) rather than your total package. This may reduce the amount you can borrow. Before entering a salary sacrifice arrangement for a large amount, check with your mortgage adviser how it affects your borrowing capacity.

Does salary sacrifice affect state benefits?+

Potentially yes. Lower earnings can affect entitlement to contributory benefits (new-style JSA, ESA, state pension — as NI contributions may be lower), Universal Credit (though this depends on your UC circumstances), and statutory payments like SMP, SPP, and SSP which are based on Average Weekly Earnings. Seek advice before large sacrifices if you are on low income or planning a family.

Can salary sacrifice reduce pay below minimum wage?+

No. Salary sacrifice cannot legally reduce your pay below the National Minimum Wage or National Living Wage for your age group. If sacrifice would take you below NMW, the employer must reduce the sacrifice to comply. This is especially relevant for lower-paid workers on large pension sacrifice arrangements.