Will I Actually Pay Off My Student Loan? The Truth for UK Graduates

For most UK graduates, the honest answer is: probably not. And that's actually fine.

The numbers

The Institute for Fiscal Studies estimates around 25% of Plan 2 borrowers will fully repay before write-off. The majority will make payments for 30 years and have the remainder cancelled.

What this means in practice

For most graduates, student loans function more like a graduate tax than a conventional loan — you pay 9% above the threshold for a fixed period, then it's gone regardless of the remaining balance.

Should you overpay?

Usually not. Voluntary overpayments don't reduce your monthly payments — they only reduce the balance. If you're in the majority who won't fully repay, overpaying means paying more than you'd ever have owed.

The exception: high earners confident they'll repay in full anyway. For them, clearing the loan faster reduces total interest.

How to work out which group you are in

Rather than guessing, the question is answerable. Estimate your average salary across your working life, calculate 9% of the amount above the threshold, multiply by the number of years remaining before write-off, and compare that total against your balance plus the interest that will accrue on it.

If the projected total repayment comfortably exceeds the balance, you are on course to clear it and interest is a real cost worth minimising. If it falls short, the balance is largely notional and overpaying hands over money you would never have been required to pay.

Two illustrative cases

• Average earner, Plan 2, £45,000 balance. Salary rising from £28,000 to £45,000 over a career. Repayments never come close to covering the balance plus interest, and a substantial sum is written off at year 30. Overpaying is money lost.
• High earner, Plan 2, £45,000 balance. Salary reaching £80,000 within a decade. Repayments of roughly £4,500 a year clear the balance well before write-off. Here overpaying genuinely reduces total interest paid.

The crossover point depends on your plan, your balance and how early your earnings rise, which is why a projection using your own numbers beats any rule of thumb.

Why it does not behave like other debt

Three features separate it from a normal loan, and each argues against treating it as a priority:

• Repayment is income-contingent. Earn below the threshold and you pay nothing, with no arrears accruing and no default.
• It is written off. No conventional lender cancels the balance after a fixed period regardless of what remains.
• It does not appear on your credit file. It cannot damage your credit score, and no lender can pursue you for it.

The one place it does show up is mortgage affordability, because the deduction reduces your take-home pay and lenders assess what you can service from net income. That effect is real but modest, and overpaying to remove it rarely makes arithmetic sense.

Where a spare £1,000 is better spent

For the majority who will not clear the loan, almost any alternative use of the money is better: clearing credit card or overdraft debt at double-digit interest, building an emergency fund, contributing to a pension with employer matching and tax relief, or saving towards a house deposit.

Each of those produces a definite return. An overpayment on a loan heading for write-off produces none at all.

The situations where overpaying does make sense

There are genuine exceptions. If you are confident of repaying in full, clearing it earlier reduces interest. If a small remaining balance would be cleared within a couple of years, finishing it removes an administrative loose end. And some people simply prefer being debt free and value that above the arithmetic, which is a legitimate reason provided it is a choice made with the numbers in view rather than instead of them.

Check before you decide

Model your scenario with our student loan repayment calculator, and see when your loan gets written off for the write-off rules by plan.

General information, not financial advice. Projections depend on assumptions about future earnings, thresholds and interest that may not hold. Consider regulated advice before making significant decisions.