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Student Loan Repayment Explained
10 min read Article Updated 2026-03-14
UK Student Loan Repayment Explained: The Basics
Understanding how you pay back your university debt requires a mindset shift. You should treat your student loan more like a graduate tax than a traditional bank loan. A standard bank loan demands fixed monthly payments regardless of your financial situation. Your student loan adapts entirely to your earnings.
The government uses the Pay As You Earn (PAYE) system to collect your repayments. This means your employer calculates the deduction and removes it from your gross pay before the money ever reaches your bank account. You never have to set aside cash manually at the end of the month.
You only start making repayments in the April after you graduate or leave your course. Even then, you only pay a percentage of the money you earn above a specific legal threshold. If your salary drops below this threshold, your repayments stop immediately.
Self-employed graduates handle their repayments differently. You will declare your annual income through a Self Assessment tax return. HM Revenue and Customs (HMRC) calculates your student loan liability alongside your Income Tax and National Insurance. You pay this as a lump sum by the 31 January deadline each year.
Moving abroad does not cancel your student loan. You must set up a direct debit with the Student Loans Company and provide evidence of your overseas income.
The Student Loans Company receives data from HMRC throughout the tax year. However, your online balance might not update in real-time. This delay often confuses recent graduates who check their account and see no record of their recent payslip deductions. You must keep your own payslips to track exactly what you have paid.
The most important feature of the UK system is the write-off period. The government cancels any remaining debt at the end of a set timeframe. This timeframe ranges from 25 to 40 years depending on when you started studying. Most graduates will never repay their full balance before the write-off date arrives.
Plan Types and Student Loan Repayment Explained
The government operates several different repayment plans. Your specific plan dictates your repayment threshold and your write-off period. You must know your plan type to understand your payslip deductions.
Plan 1 applies to students who started their course before 1 September 2012. It also covers Northern Irish students regardless of when they started. These loans carry the lowest repayment threshold but feature a 25-year write-off period.
Plan 2 covers students from England and Wales who started their undergraduate course between 1 September 2012 and 31 July 2023. This plan introduced higher tuition fees and features a 30-year write-off period.
Plan 4 is exclusively for Scottish students who applied through the Student Awards Agency Scotland (SAAS). This plan offers the most generous repayment threshold in the UK and a 30-year write-off period.
Plan 5 is the newest system for students from England who started their course on or after 1 August 2023. The very first graduates on this plan will enter repayment in April 2026. Plan 5 lowers the repayment threshold and extends the write-off period to 40 years. This means graduates will pay more each month and make repayments for most of their working lives. Plan 5 also covers Advanced Learner Loans for courses starting after August 2023, extending the new 40-year terms into vocational qualifications.
Plan 3 covers all postgraduate Master’s and Doctoral loans. This plan operates alongside your undergraduate loan.
You can be on multiple plans at once. If you have an undergraduate Plan 2 loan and a postgraduate Plan 3 loan, your employer will deduct money for both simultaneously once you cross their respective thresholds.
If you are unsure which plan you fall under, you can log into your online student loan repayment account. Your dashboard will explicitly list your active plans. You can also check the original paperwork you signed when applying for student finance. Employers rely on you to provide this information accurately on your starter checklist when you begin a new job.

2026 Thresholds for Student Loan Repayment Explained
The government updates the repayment thresholds every April. The figures for the 2026/27 tax year determine exactly when you start parting with your cash.
Your threshold applies to your gross income. This is your salary before any tax, National Insurance, or pension contributions are removed.
| Plan Type | 2026/27 Annual Threshold | Monthly Threshold | Repayment Rate |
|---|---|---|---|
| Plan 1 | £26,900 | £2,241 | 9% |
| Plan 2 | £29,385 | £2,448 | 9% |
| Plan 4 (Scotland) | £33,795 | £2,816 | 9% |
| Plan 5 | £25,000 | £2,083 | 9% |
| Postgraduate (Plan 3) | £21,000 | £1,750 | 6% |
The introduction of the Plan 5 threshold at £25,000 creates a significant change for recent graduates. This figure sits much lower than the Plan 2 threshold. If you started university in September 2023, you will begin repaying your loan on a much lower salary than someone who started in September 2022.
The postgraduate threshold remains frozen at £21,000. This freeze has been in place since the loan launched in 2016. Inflation has pushed graduate starting salaries higher, meaning almost all postgraduates now face immediate deductions upon entering full-time work.
Always check your first payslip at a new job to ensure your employer has you on the correct plan. Being placed on Plan 2 instead of Plan 5 will cause significant underpayment issues that HMRC will demand you fix later.
The thresholds also break down into weekly limits for graduates paid on a weekly or fortnightly basis. For example, the Plan 2 weekly threshold sits at £565. If you work irregular hours or take on temporary contracts, you might cross the weekly threshold and see a deduction even if your total annual income falls short of £29,385. You can reclaim these overpayments at the end of the tax year.
If you earn below your plan’s threshold, you pay absolutely nothing. You could have £100,000 of student debt, but a salary of £24,000 on Plan 5 means your monthly repayment is zero. Managing your expectations around these thresholds is a core part of learning about student money and budgeting.
Monthly Deductions and Student Loan Repayment Explained
Seeing the percentage rates and thresholds is one thing. Calculating the actual cash leaving your bank account requires a bit of basic maths. You only pay the specified percentage on the earnings that sit above your threshold.
Let us look at a Plan 2 graduate earning £35,000 a year. Their annual threshold is £29,385. This leaves £5,615 of eligible income. They pay 9% on that £5,615, which equals £505.35 a year. Divided by 12, their monthly student loan deduction is £42.11.
Now consider a Plan 5 graduate earning the exact same £35,000 salary. Their annual threshold is £25,000. This leaves £10,000 of eligible income. They pay 9% on that £10,000, which equals £900 a year. Their monthly deduction is £75.00. The newer plan costs this graduate an extra £32.89 every month.
The maths gets slightly more aggressive for graduates with both an undergraduate and a postgraduate loan. You pay 9% on the undergraduate portion and 6% on the postgraduate portion.
Imagine a graduate with a Plan 2 and a Plan 3 loan earning £32,000 a year.
For their Plan 2 loan, they earn £2,615 above the £29,385 threshold. 9% of this is £235.35 a year, or £19.61 a month.
For their Plan 3 loan, they earn £11,000 above the £21,000 threshold. 6% of this is £660 a year, or £55.00 a month.
Their total monthly student loan deduction is £74.61.
Your deductions adjust automatically if your salary changes mid-year. If you receive a promotion in October, your November payslip will instantly reflect the new 9% calculation based on your higher earnings. You do not need to notify the Student Loans Company about pay rises. The HMRC PAYE system handles the entire adjustment process behind the scenes.
Understanding these figures helps you negotiate salaries effectively. When you secure a new role through a graduate careers guide, you must factor these deductions into your take-home pay calculations. A £2,000 pay rise looks great on paper but will increase your monthly loan deductions automatically.
Interest Rates and Student Loan Repayment Explained
Interest rates cause the most anxiety among recent graduates. Seeing your total debt figure grow by thousands of pounds a year feels alarming. You must understand how this interest actually functions to avoid unnecessary panic.
The government sets student loan interest rates using the Retail Prices Index (RPI). This is a measure of UK inflation. The interest rate updates every September based on the RPI figure from the previous March.
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For Plan 2 loans, the interest rate varies between RPI and RPI plus 3%. The extra percentage depends on your income. If you earn under the threshold, your interest is just RPI. If you earn over the threshold, the interest scales up gradually.
For Plan 5 loans, the government removed the extra 3%. Your interest rate is simply locked to the RPI rate. This ensures your debt only grows in line with inflation, meaning the real terms value of what you owe does not increase.
The government legally caps student loan interest rates to ensure they do not exceed the rates offered by commercial banks. This cap is known as the Prevailing Market Rate. If commercial personal loan rates drop below the RPI calculation, the government steps in and lowers the student loan interest rate to match the market. This protects borrowers during periods of extreme inflation.
The most vital fact about student loan interest is that it never changes your monthly repayment. Your monthly deduction is strictly tied to your salary. A 10% interest rate and a 2% interest rate result in the exact same monthly cash deduction from your payslip.
High interest rates simply mean your total balance grows faster. For the vast majority of graduates, this total balance is irrelevant. The debt will wipe clear after 30 or 40 years anyway. A higher balance just means the government writes off a larger number at the end of the term.
Early Payoff and Student Loan Repayment Explained
Many graduates wonder if they should use their savings to pay off their student loan early. Making voluntary overpayments is possible at any time through your online account. For most people, this is a terrible financial decision.
You should only consider early repayment if you are certain you will clear the entire debt organically before the write-off period ends. This requires a very high starting salary and consistent career growth. If you are a high earner with a small loan balance, clearing it early saves you from paying years of accumulated interest.
For an average earner, voluntary overpayments are essentially throwing money away. If you overpay by £5,000 today but still reach the 30-year or 40-year write-off point with a remaining balance, that £5,000 achieved nothing. It did not lower your monthly payroll deductions. It only reduced the final number the government eventually cancelled.
Consider the impact on your housing goals. A £10,000 lump sum could form the foundation of a house deposit. Putting that money into a student loan that gets wiped in 30 years delays your ability to buy a property. Mortgage lenders care far more about your available deposit than the existence of your student debt. Always prioritise your immediate financial security and asset building over clearing a government-backed graduate tax.
You are far better off putting spare cash into a high-interest savings account or an ISA. A student loan does not function like credit card debt. It carries no risk of default, no debt collectors, and no negative impact on your credit file. Keep your cash accessible for real life expenses.
You can read more about managing your savings and investments in our grad money section.
For more financial guidance tailored to graduates, explore the full resources available at unisorted.co.uk.
Frequently Asked Questions
Do student loans affect my credit score?
No, student loans do not appear on your credit file. Lenders will look at your monthly income after deductions to assess mortgage affordability. Your student loan lowers your take-home pay, which slightly reduces the total amount you can borrow.
What happens to my student loan if I lose my job?
Your repayments stop immediately. The system is tied directly to your current income through PAYE. You only pay when you earn above the monthly threshold, so a drop in income means an instant pause in repayments.
How do I stop student loan deductions once paid off?
The Student Loans Company should automatically notify HMRC to stop deductions when you get close to clearing your balance. You must switch to a direct debit for the final few months to avoid overpaying. If you do overpay, you must contact the SLC directly to claim a refund.
Do I pay student loans on bonuses and overtime?
Yes, student loan deductions apply to your total gross pay for that specific pay period. If a bonus pushes your monthly pay over the threshold, you will see a deduction. You can claim a refund at the end of the tax year if your total annual income remained below the annual threshold.
