Incomes
Student Loan Repayment Explained UK — How It Actually Works
Understanding student loan repayment in the UK. What you pay, when payments start, Plan types, and whether to pay off early or not.
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4 min read
Student loan repayment confuses many graduates. Here’s how it actually works.
The Basic Concept
How Repayment Works
| Principle |
Reality |
| Works like a tax |
9% of income over threshold |
| Not like a mortgage |
Not fixed monthly payments |
| Automatic |
Through PAYE |
| Income-linked |
Earn less, pay less |
| Written off eventually |
25-40 years depending on plan |
Key Features
| Feature |
What It Means |
| Threshold-based |
Only pay on income above threshold |
| 9% rate |
Standard rate for undergraduate loans |
| No credit impact |
Doesn’t appear on credit report |
| Not real “debt” |
More like graduate tax |
Loan Plan Types
Which Plan Are You?
| Plan |
Who |
| Plan 1 |
English/Welsh students before Sept 2012, Scottish students |
| Plan 2 |
English/Welsh students from Sept 2012 |
| Plan 4 |
Scottish students from Sept 2012 |
| Plan 5 |
English students from Sept 2023 |
| Postgraduate |
Master’s and PhD loans |
Thresholds (2024-25)
| Plan |
Annual Threshold |
Monthly |
| Plan 1 |
£24,990 |
£2,082 |
| Plan 2 |
£27,295 |
£2,274 |
| Plan 4 |
£31,395 |
£2,616 |
| Plan 5 |
£25,000 |
£2,083 |
| Postgraduate |
£21,000 |
£1,750 |
Write-Off Periods
| Plan |
Written Off After |
| Plan 1 |
25 years (or age 65) |
| Plan 2 |
30 years |
| Plan 4 |
30 years (or age 65) |
| Plan 5 |
40 years |
| Postgraduate |
30 years |
Calculating Repayments
| Step |
Calculation |
| 1 |
Take annual salary |
| 2 |
Subtract threshold |
| 3 |
Multiply by 9% |
| 4 |
Divide by 12 for monthly |
Plan 2 Examples
| Salary |
Above Threshold |
Annual Repayment |
Monthly |
| £25,000 |
£0 |
£0 |
£0 |
| £30,000 |
£2,705 |
£243 |
£20 |
| £35,000 |
£7,705 |
£693 |
£58 |
| £40,000 |
£12,705 |
£1,143 |
£95 |
| £50,000 |
£22,705 |
£2,043 |
£170 |
| £60,000 |
£32,705 |
£2,943 |
£245 |
If You Have Multiple Loans
| Situation |
Repayment |
| Plan 2 + Postgraduate |
Pay 9% Plan 2 + 6% Postgraduate = 15% |
| Plan 1 + Plan 4 |
Unlikely but would be separate thresholds |
| Plan 5 in future |
Check Student Loans Company |
Interest Rates
Plan 2 Interest
| Income |
Interest Rate |
| Below threshold |
RPI |
| Up to £49,130 |
RPI + up to 3% (sliding scale) |
| Above £49,130 |
RPI + 3% |
| While studying |
RPI + 3% |
What This Means
| Reality |
Explanation |
| Interest is high |
But doesn’t matter for most |
| Most won’t repay in full |
Loan written off anyway |
| For high earners |
Interest increases total paid |
| Don’t panic |
It’s not like credit card debt |
Should You Pay Off Early?
Generally No
| Reason |
Explanation |
| Written off eventually |
Unpaid balance disappears |
| Low earners never repay |
Or repay less than borrowed |
| Money could go elsewhere |
ISA, pension gets tax relief |
| No credit impact |
Not on credit report |
Maybe Yes If
| Situation |
Why |
| Very high earner |
Will repay in full anyway |
| Already maxed ISA/pension |
Extra cash available |
| Approaching write-off |
With balance left |
| Emigrating |
May have to repay differently |
Example: £50k Debt, Plan 2
| Scenario |
Outcome |
| Earn £35k throughout career |
Never fully repay, written off |
| Earn £60k+ |
May repay, plus interest |
| Pay off now |
Save interest but opportunity cost |
Self-Employment
How It Works
| Feature |
Details |
| Pay via Self Assessment |
Not PAYE |
| Based on profits |
Not turnover |
| Calculated annually |
In tax return |
| Same thresholds |
As employed |
Payments
| When |
What |
| 31 January |
Balance from previous year |
| Plus |
Payments on account possible |
Common Situations
If Income Drops
| What Happens |
Details |
| Payments reduce |
Automatically |
| Below threshold |
Payments stop |
| No penalty |
For not earning enough |
If You’re Abroad
| Situation |
Rules |
| Working overseas |
Still owe repayments |
| Must tell SLC |
Different thresholds apply |
| Thresholds vary |
By country’s cost of living |
| Fixed amounts |
May be required |
Parental Leave
| Situation |
Details |
| On statutory pay |
May be below threshold |
| Payments |
Reduce or stop |
| Return to work |
Payments resume |
Understanding Your Loan
Checking Balance
| How |
Details |
| Online |
Student Loans Company login |
| See |
Balance, interest, payments |
| Check annually |
As a minimum |
Statement Details
| Shows |
Meaning |
| Opening balance |
Start of year |
| Interest added |
During year |
| Payments made |
Deducted |
| Closing balance |
End of year |
Scotland vs England Differences
Scottish Students
| Feature |
Scotland |
| Tuition fees |
Lower (or free) |
| Loan amount |
Generally smaller |
| Threshold (Plan 4) |
£31,395 (higher) |
| Write-off |
30 years or age 65 |
Summary: Key Points
How It Works
| Aspect |
Reality |
| Repayment |
9% of income over threshold |
| Threshold (Plan 2) |
£27,295 |
| Duration |
30 years (Plan 2) |
| Interest |
RPI + up to 3% |
| Credit impact |
None |
Action Points
| Action |
Why |
| Know your Plan |
Determines threshold |
| Check online account |
See balance and payments |
| Don’t worry about balance |
Interest often irrelevant |
| Don’t prioritise early repayment |
Unless very high earner |
| Inform SLC if moving abroad |
Different rules apply |
Think of It As
| Concept |
Not |
| Graduate tax |
Normal debt |
| 9% on earnings over threshold |
Fixed monthly payment |
| Written off eventually |
Forever owed |
| Income-linked |
Unaffordable |
Student loan repayment is designed to be manageable. Focus on your career and savings — the loan takes care of itself.