Student Loan Repayment UK

Overview

Calculate Student Loan Repayment UK using the official rates and regulations for United Kingdom.

How it works

Enter the base amount and the calculator will apply the relevant rates and brackets to compute the result.

Understanding Student Loan Repayment Plans and Thresholds

The UK student loan system has multiple repayment plans with different thresholds and rates, depending on when and where you studied. Plan 1, for students who started before September 2012 in England and Wales or at any time in Scotland and Northern Ireland, deducts 9% of income above £22,015 per year. Plan 2, for English and Welsh students who started between September 2012 and July 2023, deducts 9% above £27,295. Plan 4 applies to Scottish students from September 1998 onwards, with a threshold of £27,660. Plan 5, for English students starting from August 2023, deducts 9% above £25,000 with a 40-year repayment term instead of 30 years. Postgraduate loans deduct 6% of income above £21,000. These deductions are taken automatically through PAYE alongside income tax and NI, appearing on your payslip as a separate line item. The repayment is based on gross income, not take-home pay, meaning a Plan 2 borrower earning £35,000 repays £693 per year, reducing take-home pay by approximately £58 per month. Student loan repayments are not additional debt payments in the traditional sense, as any balance remaining at the end of the repayment term is written off, and repayments stop if your income falls below the threshold. Understanding which plan you are on and how much you are repaying helps with budgeting and financial planning throughout your career.

Voluntary Repayments and When to Pay Off Your Loan

For most borrowers, making voluntary repayments towards a student loan is not financially optimal because the interest rate on the loan is typically lower than the returns available from saving or investing the same money, and the balance may be written off before it is fully repaid. However, high earners who are likely to repay their loan in full before the write-off date may benefit from overpaying to reduce the total interest charged. The interest rate on Plan 2 loans is RPI plus up to 3% depending on income, reaching approximately 7-8% for higher earners, which can significantly increase the total balance for those not making substantial repayments. Plan 5 loans have a lower interest rate set at RPI only, making them cheaper and reducing the incentive to overpay. Before making voluntary repayments, consider whether the money would be better used to clear higher-interest debt such as credit cards, build an emergency fund, or invest in a pension with tax relief that provides an immediate return exceeding the student loan interest rate. Our calculator helps you model different repayment scenarios to determine whether overpayment would save you money based on your specific circumstances and projected earnings trajectory.

Using Our Student Loan Repayment Calculator

Our student loan calculator shows your monthly and annual repayments based on your income and repayment plan. Enter your gross salary and select your plan type to see the exact deduction from your pay alongside income tax and NI. The calculator models how your repayments change as your salary increases over time, and estimates the total amount you will repay and whether your loan is likely to be written off before full repayment. For borrowers with multiple loans, the calculator shows the combined deduction and how each loan is repaid independently. This helps you understand the true cost of your student loan and make informed decisions about whether voluntary overpayments are worthwhile.

Student Loan Impact on Mortgage Applications and Credit

Student loan repayments reduce your take-home pay, which affects the income multiple that mortgage lenders will offer. A Plan 2 borrower earning £40,000 repays approximately £1,143 per year, reducing the effective income available for mortgage calculations by that amount. At a typical 4.5 times income multiple, this reduces borrowing capacity by approximately £5,143. While student loans do not appear on your credit file and do not directly affect your credit score, the reduced take-home pay impacts affordability assessments that lenders are required to conduct. Lenders look at your net income after all deductions including student loan repayments when assessing whether you can afford the monthly mortgage payments alongside other commitments. Some lenders are more lenient than others in how they treat student loan deductions, so it is worth using a mortgage broker who can identify lenders that take a favourable approach. The introduction of Plan 5 with its lower threshold and 40-year term means new graduates will face repayments for longer, reducing disposable income throughout their career and potentially delaying homeownership compared to previous graduates who had higher repayment thresholds.

Our calculator shows the full impact of student loan repayments on your take-home pay, helping you budget accurately and understand how your loan affects your financial planning including mortgage affordability and savings capacity.