Workplace Pensions UK 2026/27 — Auto-Enrolment, Salary Sacrifice and DB vs DC Guide

Salary Sacrifice vs Direct Pension Contributions UK

Complete comparison of salary sacrifice pension vs direct contributions. Tax and NI savings, how it works, who benefits most, and which method is better for you.

· · 6 min read

Pension information is based on current UK legislation. Pensions are regulated by the FCA and The Pensions Regulator. This is not financial advice — consider consulting an FCA-regulated financial adviser.

Salary sacrifice can boost your pension significantly while cutting what you pay. Here’s exactly how it works and whether it’s right for you.

For the wider cluster covering workplace pensions, contributions and DB versus DC context, use the main Workplace Pensions hub.

Quick Comparison

FeatureSalary SacrificeDirect Contribution
Income tax savedYesYes
National Insurance savedYes (you + employer)No
Net cost of £100 pension£68 (basic rate)£80 (basic rate)
Employer NI savedYes (often passed to you)No
Affects salary figureYes (lower on paper)No
Mortgage impactPotentially negativeNone
Benefit calculationsBased on lower salaryBased on full salary

How Each Method Works

Direct Pension Contributions

StepWhat Happens
1You earn £3,000 gross salary
2Tax and NI deducted (say £750)
3Net pay: £2,250
4You contribute £100 to pension
5HMRC adds £25 tax relief (basic rate)
6£125 goes into pension
7Net cost to you: £100

Salary Sacrifice

StepWhat Happens
1You agree to reduce salary by £100
2New gross salary: £2,900
3Tax and NI calculated on £2,900 (say £725)
4Net pay: £2,175
5Employer puts £100 into pension
6£100 goes into pension
7Net cost to you: £75 (£2,250 - £2,175)

Key difference: Salary sacrifice saves NI contributions that direct contributions don’t.

The Tax Savings Breakdown

Basic Rate Taxpayer (20%)

ElementDirect ContributionSalary SacrificeSavings
Gross contribution£100£100–
Income tax saved£20£20£0
Employee NI saved (12%)£0£12£12
Net cost to you£80£68£12
Employer NI saved (13.8%)£0£13.80£13.80

Result: £100 in pension costs you £68 instead of £80. Employer also saves £13.80.

Higher Rate Taxpayer (40%)

ElementDirect ContributionSalary SacrificeSavings
Gross contribution£100£100–
Income tax saved£40£40£0
Employee NI saved (2%)£0£2£2
Net cost to you£60£58£2
Employer NI saved (13.8%)£0£13.80£13.80

Note: Higher rate taxpayers save less NI (2%) but still save their employer NI.

Additional Rate Taxpayer (45%)

ElementDirect ContributionSalary Sacrifice
Income tax saved£45£45
Employee NI saved (2%)£0£2
Net cost to you£55£53

Real-World Examples

Example 1: £30,000 Salary, £200/month Pension

MethodGrossYou PayIn PensionNet Cost
Direct contribution£200£160 (after tax relief)£250£160
Salary sacrifice£200£136 (lower NI)£200£136

With salary sacrifice: Same £200 in pension costs you £136 instead of £160. Save £288/year.

Example 2: £50,000 Salary, £400/month Pension

MethodGrossYou Pay (after tax)Annual Saving
Direct contribution£400£240–
Salary sacrifice£400£232£96

Example 3: Employer Passes On Their Savings

Some employers add their NI savings to your pension:

ScenarioYou SacrificeEmployer NI SavedTotal to Pension
Basic£200£27.60£227.60
With bonus pass-through£200£27.60 added£227.60

Result: Extra 13.8% boost to your pension at no extra cost to you or employer.

Who Benefits Most

Biggest Winners

GroupBenefit
Basic rate taxpayers12% NI savings (highest rate)
Near higher rate thresholdCan drop below threshold
Near £100kAvoid 60% tax trap
Parents losing Child BenefitCan reduce AGI below thresholds
Student loan repayersLower salary = lower repayments

Near Tax Thresholds

ThresholdSalary Sacrifice Benefit
£50,270 (higher rate)Stay in basic rate, avoid 40%
£60,000 (Child Benefit)Keep more Child Benefit
£100,000 (personal allowance)Avoid 60% effective tax rate
£125,140 (lose all allowance)Protect remaining allowance

Example: Avoiding 60% Tax Trap

SituationWithout SSWith Salary Sacrifice
Salary£110,000£110,000
Pension sacrifice£0£20,000
Adjusted net income£110,000£90,000
Personal allowance£2,570£12,570
Tax rate on £10k60% effective40%

Saving: Sacrificing £20,000 to pension saves ~£4,000 in tax.

Potential Downsides

Lower Salary Figure

Impact AreaEffect
Mortgage applicationsLenders see lower salary
Life insuranceSome based on salary
Income protectionMay pay less
Credit applicationsLower stated income
Future job negotiationsLower “current salary”

Benefits Calculations

BenefitBased On
Statutory Maternity PayLower with salary sacrifice
Statutory Sick PayLower threshold
Redundancy payBased on lower salary
State PensionAffects if below Lower Earnings Limit

Salary Must Stay Above

ThresholdAmount (2024-25)
National Minimum Wage£11.44/hour (21+)
Lower Earnings Limit£6,396/year

Practical Considerations

Setting Up Salary Sacrifice

StepAction
1Check if employer offers it
2Review contract changes
3Sign new salary agreement
4Contribution starts from new pay period

Can You Change It?

AspectTypical Rules
Increase contributionUsually anytime
Decrease contributionMay be restricted
Life eventsCan usually change (marriage, baby, etc.)
Annual reviewMost employers allow changes yearly

Employer’s Perspective

FactorDetails
They save NI13.8% on sacrificed amount
Some pass savings onCheck if yours does
Admin costSmall, one-time setup
Win-winBoth parties benefit

Comparison Table: Full Breakdown

£100 Monthly Contribution

Tax BandDirect ContributionSalary SacrificeYou Save
Basic (20%)Net cost £80Net cost £68£12/month
Higher (40%)Net cost £60Net cost £58£2/month
Additional (45%)Net cost £55Net cost £53£2/month

£500 Monthly Contribution

Tax BandDirect ContributionSalary SacrificeAnnual Saving
Basic (20%)Net cost £400Net cost £340£720
Higher (40%)Net cost £300Net cost £290£120
Additional (45%)Net cost £275Net cost £265£120

When NOT to Use Salary Sacrifice

SituationReason
Near National Minimum WageCan’t go below minimum
Applying for mortgage soonMay reduce borrowing power
Relying on salary-linked benefitsCould reduce entitlements
Near Lower Earnings LimitCould affect State Pension
Employer doesn’t offer itNot an option

Making the Decision

Use Salary Sacrifice If:

  • Employee offers it
  • You’re a basic rate taxpayer (biggest NI savings)
  • Not applying for mortgage soon
  • Not near Lower Earnings Limit
  • Want maximum pension contribution efficiency
  • Near tax thresholds you want to stay below

Stick with Direct Contribution If:

  • Salary sacrifice would drop you below minimum wage
  • Mortgage application imminent
  • Rely on salary-linked life insurance
  • Expecting redundancy (affects pay calculation)
  • Near Lower Earnings Limit for State Pension

Special Situations

Student Loan Repayers

PlanThresholdSalary Sacrifice Benefit
Plan 1£24,990Lower salary = lower repayments
Plan 2£27,295Lower salary = lower repayments
Plan 4 (Scotland)£31,395Lower salary = lower repayments

Child Benefit Savers

IncomeChild Benefit KeptWith £10k Salary Sacrifice
£60,0000%Keep more benefit
£55,00050%Keep ~75%
£50,000100%Lose less to clawback

High Income Child Benefit Charge starts at £60,000. Salary sacrifice can help stay below.

Bonus Sacrifice

One-Time EventsCan Sacrifice
Annual bonusOften yes
CommissionCheck with employer
One-off paymentsDepends on contract

Sacrificing a bonus can be very tax-efficient.

Summary

FactorSalary SacrificeDirect Contribution
NI savingsYes (up to 12%)No
Best forBasic rate, near thresholdsNear minimum wage
ComplexitySlightly moreSimple
Employer benefitSaves 13.8% NINone
Effect on recorded salaryReduces itNo effect

Key points:

  • Salary sacrifice saves NI that direct contributions don’t
  • Basic rate taxpayers save most (12% NI rate)
  • Can help avoid Child Benefit clawback
  • May affect mortgage applications
  • Check employer passes on their NI savings
  • Not available if it would push you below minimum wage

For more guidance:

Sources

  1. HMRC — Salary sacrifice
  2. Gov.uk — Workplace pensions
  3. The Pensions Regulator