NOT financial advice - seek advice from a professional for your specific situation

    TaxKilnUK tax guidance
    TaxKilnUK tax guidance

    UK Student Loans → Plan 5 deep dive

    Plan 5 Deep Dive — Aug 2023+ England/Wales (40-Year Write-Off + £25k Frozen Threshold)

    Plan 5 was introduced for new England and Wales undergraduates starting August 2023. It materially worsened terms compared to Plan 2. The headline rate looks similar (9% above threshold) and the interest rate looks lower (RPI only, vs Plan 2's RPI+3% sliding scale). But two structural changes shift lifetime repayment substantially higher: (1) the £25,000 repayment threshold is FROZEN from launch — not uplifted with inflation as Plan 2's threshold is — so fiscal drag pulls more income into the 9% repayment zone every year. (2) The write-off period extended from Plan 2's 30 years to 40 years, meaning 10 extra years of deductions for borrowers who would not have repaid in full under Plan 2. The Institute for Fiscal Studies (IFS) has modelled that median-earning Plan 5 graduates may repay 70-100% more in real terms than Plan 2 equivalents at the same income trajectory. This page sets out the regime, the Augar Review (2019) policy context, the 2021 government decision, and the practical implications for current and prospective borrowers.

    Last reviewed:

    Guidance, not advice. We explain the rules, we don't assess your situation. Always seek financial or tax advice from your accountant, or contact HMRC. Read our editorial scope →

    In plain English

    Plan 5 looks gentler than Plan 2 at first glance (lower interest rate; same 9% deduction rate). It is not. Two structural changes do most of the work. Frozen threshold: Plan 2's £28,470 threshold rises each year roughly with earnings. Plan 5's £25,000 threshold is frozen. Year on year, real-term inflation drags more graduate income into the 9% zone — so a Plan 5 borrower whose pay rises with inflation pays an ever-larger share of nominal income on the loan. 40-year write-off: Plan 2's 30-year write-off meant many median-earning graduates would NEVER fully repay — and the loan would die at year 30 with significant residual balance. Plan 5's 40-year horizon adds a decade of deductions for exactly those mid-earners. Higher earners who DO repay in full are barely affected (they finish before 30 years anyway). It is the median and lower-middle earners who lose the most. RPI-only interest is the modest concession. Plan 2's RPI+3% top rate (applied to higher earners during study and high-income post-study) accrues faster, but for many borrowers the interest was conceptually 'phantom' — it never affected repayment because the loan was written off at year 30 before the interest was repaid. Plan 5's lower interest is therefore worth less in practice than the IFS-modelled lifetime cost increase from the threshold freeze and 40-year horizon. The policy context: the Augar Review (Post-18 Review of Education and Funding, 2019, chaired by Sir Philip Augar) recommended significant changes to higher education funding — including lower headline tuition fees offset by tighter terms on loans. The 2021 government response (Higher Education Policy Statement) accepted parts of Augar but designed Plan 5 to shift more lifetime cost to graduates rather than the Exchequer. Critics (IFS; House of Commons Library; Sutton Trust) flagged that the new terms disproportionately affect lower- and middle-earning graduates.

    How it works

    The £25,000 frozen threshold

    Plan 2's threshold (£28,470 in 2025/26) is uplifted annually broadly with earnings — designed to keep the threshold meaningful in real terms. Plan 5's £25,000 threshold has no uplift mechanism. Each year of nominal wage inflation drags more of a graduate's income above the threshold. If wages rise 3% per year and the threshold stays at £25,000, a graduate earning £30,000 today (paying 9% on £5,000 = £450) pays 9% on the larger excess in real terms each subsequent year. Over a 40-year horizon, this fiscal drag is substantial.

    9% above threshold + RPI-only interest

    Deduction rate is 9% on income above £25,000 — the same headline as Plan 2. Interest is RPI only, with no sliding scale up to RPI+3% as on Plan 2. On paper this looks borrower-friendly. In practice, because many Plan 2 borrowers would never have repaid their interest before the 30-year write-off (the loan died with residual balance), the higher Plan 2 interest rate was 'phantom' for them — it never affected real repayment. Plan 5's lower interest matters more for higher earners who DO repay in full, but those borrowers are also least affected by the longer write-off.

    40-year write-off — the structural shift

    Plan 2: 30-year write-off from the April first eligible to repay. Plan 5: 40 years. For a graduate completing study at 21, that is age 51 vs age 61. The extra decade hits exactly the borrowers who would have benefited most from write-off under Plan 2 — median and lower-middle earners whose lifetime balance never fully clears. IFS modelling estimates 70-100% higher real-term lifetime repayment for median earners on Plan 5 vs Plan 2, with the differential widest at exactly the income levels (£30k-£50k career trajectory) where the 30-year write-off was most valuable.

    Augar Review (2019) + 2021 government decision

    The Post-18 Review of Education and Funding (Augar Review), reported May 2019, recommended cutting headline tuition fees to £7,500 (vs £9,250 at the time), reintroducing maintenance grants for lower-income students, and tightening loan terms. The government response in early 2022 (Higher Education Policy Statement) accepted the tighter loan terms (Plan 5) but did NOT cut tuition fees (capped at £9,250 then £9,535 for 2025/26). The result is roughly the maximum-shift-to-graduate variant of Augar's options — Plan 5's design captures the loan-tightening recommendation without the offsetting fee cut.

    Lifelong Learning Entitlement (LLE) £38,140

    LLE is a parallel reform rolling out from 2025/26 — a lifetime funding entitlement for higher-level study in England designed to fund modular study across a working life (not just one degree at 18-21). The £38,140 headline figure is roughly equivalent to 4 × £9,535 (2025/26 tuition cap), spread across modular courses. Borrowers using LLE-funded modular study are within Plan 5 repayment terms. Verify current LLE entitlement on gov.uk before publication — mechanics are still bedding in.

    Political context + ongoing contestation

    Plan 5 has been contested politically since launch — opposition parties + Augar + Sutton Trust + IFS have flagged disproportionate impact on lower- and middle-earning graduates. There is ongoing political pressure for review, but Plan 5 terms apply by statute to existing borrowers. Editorial framing should present the regime + IFS modelling without polemic; readers' decisions (e.g. voluntary repayment) depend on understanding the regime as it is.

    Who this applies to + key conditions

    Statute + manual references

    Primary: Teaching and Higher Education Act 1998; Higher Education and Research Act 2017; Education (Student Loans) (Repayment) Regulations 2009 (SI 2009/470) + amending SIs implementing Plan 5 terms from August 2023; relevant Statutory Instruments setting £25,000 frozen threshold + 40-year write-off + RPI interest.

    Related: Higher Education and Research Act 2017 — framework for Office for Students + loan regime; Education (Student Loans) (Repayment) (Amendment) Regulations 2022/2023 — implementing Plan 5 (verify specific SI references against current regulations); Higher Education Policy Statement 2022 — government response to Augar Review

    HMRC manual: PAYE54000 onwards — student loan deduction mechanics (Plan 5 deducted as 'Plan 5' under HMRC PAYE wiring)

    Common mistakes + traps

    Worked example

    Priya, English undergraduate starting September 2024 on a three-year degree, projected mid-30k career trajectory

    Priya starts a three-year English undergraduate course in September 2024 (Plan 5). She borrows £9,535 tuition fee loan × 3 + £8,000 maintenance loan × 3 = £52,605 starting balance at graduation. She enters work in 2027 earning £29,000 rising broadly with inflation to £45,000 by year 20 (real-terms career peak). Frozen threshold means by year 20 her £25,000 cut-off is roughly £14,500 in 2024 real terms. She makes minimum PAYE repayments only.

    1. Step 1 — Year 1 of repayment (2027/28) at £29,000: 9% × (£29,000 − £25,000) = £360 deducted. Loan continues accruing RPI interest on full £52,605+ balance.
    2. Step 2 — Year 10 (2036/37) at £37,000 (nominal): 9% × (£37,000 − £25,000) = £1,080 deducted. Threshold still £25,000 (frozen) — fiscal drag now substantial.
    3. Step 3 — Year 20 (2046/47) at £45,000 (nominal): 9% × (£45,000 − £25,000) = £1,800 deducted. By this point Priya has paid roughly £18-22k in nominal terms — most going to interest, little to principal.
    4. Step 4 — Years 21-40: minimum repayments continue. IFS-style modelling suggests Priya will pay deductions for the full 40 years without repaying the full balance + interest. Write-off arrives at year 40 (2067) with substantial residual balance.
    5. Step 5 — Comparison: under Plan 2's 30-year write-off + uplifted threshold, Priya would have paid less in nominal AND real terms — write-off would have arrived 10 years earlier, threshold would have risen each year.
    6. Step 6 — Voluntary repayment thinking: voluntary lump-sums to clear Plan 5 are typically poor value for Priya's profile. Voluntary contributions effectively replace future write-off — money she would not have repaid under the 40-year horizon. See voluntary repayment decision page.
    7. Step 7 — Practical takeaway: Priya should treat the Plan 5 deduction as a graduate tax with a 40-year horizon. Standard personal finance priorities (ISA, pension, emergency fund) outrank voluntary student loan repayment for her income profile.

    Outcome: Roughly 40 years of 9% deductions on inflation-shrunk threshold excess. Write-off at year 40 with substantial residual balance — total nominal repaid likely 70-100% more (in real terms) than Plan 2 equivalent. Voluntary repayment generally poor value at this profile.

    How this connects to the rest of the framework

    Plan type guide →

    Plan 5 sits within the broader plan-identification framework — combinations possible for mature returners with prior Plan 1 or Plan 2 loans.

    Repayment mechanics →

    Plan 5 deduction follows the same PAYE + SA machinery as other plans; HMRC tax codes flag Plan 5 specifically.

    Write-off + cancellation →

    Plan 5's 40-year write-off is the central structural shift — interacts with cancellation events for borrowers who may never repay in full.

    Voluntary repayment decision →

    Plan 5 voluntary repayment is most often poor value — likely never reach full repayment so voluntary contributions don't reduce 40-year write-off probability for mid-earners.

    /moving-abroad →

    Plan 5 borrowers moving abroad still face OIAF assessment + country bands — emigration does not cancel Plan 5 obligations.

    Frequently asked questions

    What happens if I miss the Self Assessment deadline?+
    The Self Assessment deadline is 31 January (online filing) for the previous tax year. Miss it and HMRC apply an automatic £100 penalty. Beyond that: £10 per day from 3 months late (capped at £900), 5% of tax due at 6 months late, and another 5% at 12 months late, under Schedule 55 of the Taxes Management Act 1970. If you have a genuine reason (serious illness, bereavement, technical issue with HMRC's systems) you can appeal with evidence; HMRC accepts reasonable excuse appeals in most genuine cases.
    Do I need an accountant or can I file Self Assessment myself?+
    Legally you can file Self Assessment yourself via gov.uk for free, most simple sole-trader returns (single income source, basic expenses) are realistic to self-file. An accountant adds real value when: your trading profit is above £40,000 (extraction-strategy decisions matter), you have multiple income streams (PAYE + self-employment + property + dividends), you've crossed the £90,000 VAT threshold, you're considering incorporation, or you have an HMRC enquiry. Expect to pay £400-£1,500/year for a typical sole-trader accountant; the cost is itself a deductible expense.
    How do payments on account work?+
    When your Self Assessment tax bill exceeds £1,000 for the first time, HMRC requires payments on account toward NEXT year's tax. Half the current bill is due 31 January (alongside the current bill); the other half is due 31 July. So your first January after crossing the threshold can hit with a double-bill: last year's balance + first payment on account. Adjust via Form SA303 if you expect next year's income to drop substantially. Payments on account don't apply if more than 80% of your tax is collected via PAYE.
    Can I switch from Plan 5 to Plan 2?+
    No. Your plan is determined by when you started — there is no statutory mechanism to switch. Plan 5 applies by statute to new Aug 2023+ England/Wales undergraduate starters.
    Is Plan 5 unfair?+
    That is a political question outside TaxKiln's editorial scope. The IFS modelling shows higher real-term lifetime repayment for median earners on Plan 5 vs Plan 2; that is fact. Whether the design is appropriate policy is for Parliament + voters. TaxKiln's role is to present the regime so readers can plan accordingly.
    Will the £25,000 threshold ever be uplifted?+
    Not under current legislation. The freeze is structural — government would need to amend the Regulations to introduce an uplift mechanism. Ongoing political pressure exists but no commitment as at the editorial review date.
    Should I overpay my Plan 5 loan?+
    Usually not for mid-earners — voluntary repayment reduces a balance you may never fully repay anyway, so the marginal benefit is small. Higher earners on a steep career trajectory who will repay in full before year 40 are different — voluntary repayment then reduces real interest cost. See voluntary repayment decision page for the per-plan math.

    Free + regulated-body resources

    Last reviewed: