PolicyLens

Conservative - Education

Cap Plan 2 student-loan interest

Cap Plan 2 student-loan interest at inflation rather than RPI plus up to three percentage points.

Last updated: May 2026.

Read the policy-specific methodology note

Loan baseline

Plan 2 loans currently use RPI-based interest with higher earners facing higher rates, subject to government caps. IFS says the Conservative proposal mainly lowers balances for graduates earning above the threshold.

  • Most monthly repayments do not fall immediately.
  • Higher-earning graduates gain most in present value.
  • Taxpayer exposure rises through lower repayments.

Core trade-offs

The policy reduces interest accumulation for graduates with Plan 2 loans. It is a costly and poorly targeted way to support graduates because many lower earners will never repay enough to benefit fully.

  • Affected graduates see lower balances.
  • Taxpayers absorb lower loan receipts.
  • Distribution skews toward higher earners.

Fiscal impact by 2028-29

+GBP 0.5bn to +GBP 5.0bn. Central estimate: +GBP 2.0bn.

  • Positive numbers mean net fiscal cost; negative numbers mean Exchequer savings.
  • Main cost is lower student-loan repayments and interest receipts.
  • Higher graduate consumption gives small indirect receipts.
  • Cash effects are long horizon.
  • This is not an official costing.

Economic impact by 2028-29

  • Jobs: Little direct jobs effect; repayments do not change for most borrowers immediately.
  • Wages: No wage effect; graduate disposable income changes later through lower repayments.
  • Prices: No direct price effect expected.
  • GDP / productivity: Small; subsidy does not directly raise skills or enrolment quality.

Assessment

The proposal is clear but not tightly targeted at hardship. Since repayments are income-contingent, reducing interest mainly benefits graduates who would otherwise repay more, especially higher earners with large balances.

Confidence: Medium-low. IFS evidence is strong on distribution; fiscal cost depends on long-run earnings and loan-writeoff forecasts.

Main risks

  • Regressive tilt: Higher-earning graduates gain more from lower interest accrual.
  • Long horizon: Costs emerge through loan accounting and repayments over decades.
  • Weak skills effect: The policy subsidises balances rather than adding training or places.

Safeguards

  • Publish lifetime distribution by graduate earnings.
  • Compare with targeted maintenance support.
  • Separate accounting cost from near-term cash cost.

Academic evidence

Dynarski and Scott-Clayton, NBER, 2013

Student aid design

Student aid is most effective when simple and targeted; poorly targeted subsidies can have high fiscal cost.

Relevant to graduate loan-interest subsidies.

Financial Aid Policy: Lessons from Research (2013)

UK government evidence

Institute for Fiscal Studies, 2026

Plan 2 loan options

IFS says the Conservative Plan 2 proposal cuts balances for higher earners but not most monthly repayments immediately.

Used for distributional and fiscal caution.

Options for changing Plan 2 student loans (2026)

Office for Budget Responsibility, 2026

OBR fiscal forecast

The OBR forecast sets the macro, borrowing and receipts baseline used for broad fiscal context.

Prevents treating tax cuts or spending changes as self-financing.

Economic and fiscal outlook: March 2026 (2026)

Sources

Other Conservative policies

PolicyLens estimates are illustrative and should not be treated as official costings.