Analysis · The Independent · 12 August 2026
Tories demand Burnham cap student loan interest: What It Means for Your Student Loan
Written by Zubair Arshed FIA, Chartered Actuary
Fellow of the Institute and Faculty of Actuaries
Actuarial Post Life and Health Actuary of the Year 2024
A political demand to cap student loan interest has surfaced, and it is aimed at forcing a policy change rather than announcing one. For most borrowers, interest is only part of the story, so it is worth understanding exactly what a cap would and would not do to what you actually repay.
This analysis responds to reporting by The Independent. We recommend reading the original alongside it: Tories demand Burnham cap student loan interest ↗
What was actually reported?
The headline tells you the shape of the story and not much more: Conservatives are pressing for a cap on student loan interest. This is a political demand, not a confirmed change to the rules. Nobody has legislated anything here, and a call to act is a long way from a Statutory Instrument that changes the interest formula on your account.
Treat the substance carefully. Student loan interest rates in England already sit inside legal caps and formulas that shift each year. Plan 2 interest runs on a sliding scale from RPI up to RPI plus 3%, depending on income. Plan 5, the plan for students who started courses from August 2023, is capped at RPI alone with no margin added. Postgraduate loans carry RPI plus 3%. Plan 1 uses the lower of RPI or the Bank of England base rate plus one percent.
So a fresh cap would only bite where the current formula produces a high number, typically when RPI spikes. When inflation was high, the government applied a separate Prevailing Market Rate cap to stop student loan rates overshooting comparable commercial lending. A political demand to cap interest is, in effect, a demand to make that kind of protection tighter or permanent.