Savings & Investing

SIPP vs Workplace Pension UK: Complete Comparison

Comprehensive comparison of SIPP vs workplace pension in the UK. Fees, flexibility, employer contributions, investment options, and which pension suits you.

By PocketWise · · 5 min read

Savings and investment information is for educational purposes only. The value of investments can go down as well as up. Cash savings up to £85,000 per person per institution are protected by the FSCS.

Should you use a SIPP, your workplace pension, or both? Here’s how they compare and the optimal strategy for most people.

Quick Comparison

Feature Workplace Pension SIPP
Employer contributions Yes No
Investment choice Limited Extensive
Platform fees Often hidden in fund costs Explicit
Fund range Typically 5-20 options 1,000s of options
Flexibility Lower Higher
Effort required Minimal More active
Set up Employer does it You do it
Best for Getting employer match Additional savings, control

Understanding Workplace Pensions

How They Work

Feature Details
Enrolment Automatic (employer sets up)
Your contribution Typically 5% of salary
Employer contribution At least 3% of salary
Investment Usually default fund
Tax relief Automatic (either method)

Minimum Contributions

Who Pays Minimum
You 5% (4% + 1% tax relief)
Employer 3%
Total 8%

Many employers offer more if you contribute more.

Workplace Pension Advantages

Advantage Details
Employer contributions Free money
Automatic No effort to set up
Salary sacrifice option Extra NI savings
Simple Default fund chosen for you
Payroll integration Comes out before you see it

Workplace Pension Disadvantages

Disadvantage Details
Limited investments Few fund choices
Fees can be high But capped at 0.75%
Less control Can’t pick your funds
Provider chosen by employer May not suit you
Scattered pensions One per job

Understanding SIPPs

How They Work

Feature Details
Set up You open the account
Contributions You transfer money
Tax relief Added automatically (basic rate)
Investment You choose from thousands
Management You manage (or delegate)

SIPP Contribution Methods

Method How It Works
Personal contribution Transfer from bank account
HMRC adds tax relief Basic rate added automatically
Higher rate Claim through tax return
Employer contribution Can pay directly

SIPP Advantages

Advantage Details
Investment freedom Access to thousands of options
Lower fees possible Choose cheap index funds
Consolidation All pensions in one place
Control You decide everything
Transparency Clear fee structure
Flexibility Invest how you want

SIPP Disadvantages

Disadvantage Details
No employer contributions Miss free money
More effort Research and management
Platform fees Annual charges
Complexity More decisions
Risk No default, you must choose

Fee Comparison

Typical Costs

Fee Type Workplace Pension SIPP
Platform fee Often bundled 0.15-0.45%
Fund costs 0.3-0.75% 0.07-0.25% (index)
Total annual cost 0.3-0.75% 0.22-0.70%
Cost cap Yes (0.75%) No

Fee Example: £100,000 Pot

Provider Type Annual Cost
Workplace (0.5%) £500
SIPP cheap (0.25%) £250
SIPP mid-range (0.45%) £450

Saving: Cheap SIPP can save £250/year on £100k pot.

Long-Term Fee Impact

Starting Pot 30 Years at 0.5% Less Fee Extra You Have
£50,000 0.5% less drag ~£15,000 more
£100,000 0.5% less drag ~£30,000 more
£200,000 0.5% less drag ~£60,000 more

Investment Options Comparison

Typical Choices

Type Workplace Pension SIPP
Global equity fund 1-2 options 100+ options
UK equity fund 1-2 options 50+ options
Bond funds 1-2 options 100+ options
Index funds Maybe 1 Dozens
ESG/ethical Maybe 1 Many
Individual shares No Yes (some SIPPs)
ETFs No Yes
Investment trusts No Yes

Investment Strategy Options

Strategy Workplace SIPP
Simple default Yes (provided) You build it
Target date funds Sometimes Yes
Global index tracker Maybe Yes
Passive portfolio Limited Full control
Active management Yes (often default) Available

The Optimal Strategy

For Most People

Priority Action
1st Contribute to workplace pension for full employer match
2nd If more to save, open SIPP
3rd Use SIPP for better fund choice and lower fees
4th Consolidate old pensions into SIPP

Example: Great Employer Match

Contribution You Pay Employer Pays Total
5% matched 1:1 5% 5% 10%
Get 100% return instantly £200/month £200/month £400/month

Never leave free money: Don’t skip workplace contributions for SIPP.

Example: Taking Both

Element Where Why
5% of salary Workplace pension Get employer match
Additional £300/month SIPP Better investment options
Total pension saving Both Maximise benefits

When to Use Each

Workplace Pension Only

Situation Use Workplace Only
Good employer match Don’t miss it
Good fund options No need for SIPP
Low fees Competitive with SIPP
Prefer simplicity Auto-invest is fine
Small sums SIPP fees eat returns

SIPP Only

Situation Use SIPP Only
Self-employed No workplace pension
No employer match No free money to lose
Poor workplace options High fees, bad funds
Want specific investments Need flexibility
Consolidating old pensions One place
Situation Use Both
Employer matches Take the match
Want to save more Add SIPP on top
Want better investments SIPP for extra savings
Annual allowance space Use both providers

Transfer Considerations

When to Transfer to SIPP

Scenario Transfer?
Left employer, old pension Yes, consider
Currently employed No - lose employer contributions
High fee old pension Yes, compare
Want investment control Yes, after leaving
Defined benefit pension Get financial advice first

What to Check Before Transfer

Issue Details
Exit fees Some pensions charge
Guaranteed benefits Don’t lose them
In-specie transfer Avoids selling investments
Admin time Can take weeks/months

Consolidation into SIPP

Benefits of Consolidating

Benefit Details
One place Easier to track
Lower fees If SIPP cheaper
Better investments Choose your own
Single view See everything
Simpler retirement One pot to manage

How to Consolidate

Step Action
1 Open SIPP
2 Get old pension details
3 Request transfer to SIPP
4 New provider handles process
5 Invest in your chosen funds

Specific Situations

Self-Employed

Option Best Approach
No workplace pension available Use SIPP
Ltd company director Can pay employer contributions to SIPP
Sole trader SIPP with personal contributions

Multiple Jobs

Scenario Approach
Part-time jobs Join each workplace pension
Gig economy SIPP for flexibility
Career changers Consolidate old pensions in SIPP

High Earners

Consideration Approach
Annual allowance Combined limit across all pensions
Tapered allowance Over £260k, varies
Tax efficiency Salary sacrifice if available

Making the Decision

Choose Workplace Pension If:

  • Employer offers matching
  • Good fund options available
  • Fees are competitive
  • Prefer hands-off approach
  • Haven’t maxed employer match

Choose SIPP If:

  • Self-employed
  • No employer matching
  • Want investment control
  • Consolidating old pensions
  • Saving beyond employer match

Choose Both If:

  • Employer matches contributions
  • Want to save more than matched amount
  • Want better investment options for extra savings
  • Have annual allowance capacity

Summary

Factor Workplace Pension SIPP
Employer match Yes No
Investment choice Limited Extensive
Fees 0.3-0.75% 0.22-0.70% (possible)
Effort Minimal More
Best for Getting employer contributions Additional savings, control
Priority First (for matching) Second (additional)

Key points:

  • Never skip employer matching for SIPP
  • SIPP gives more investment control and potentially lower fees
  • Many people benefit from using both
  • Consolidate old workplace pensions into SIPP after leaving
  • Both share the same annual allowance
  • Self-employed should use SIPP

For more guidance:

Sources

  1. FCA — Pensions
  2. MoneyHelper — Pension types
  3. The Pensions Regulator