Should You Overpay Your
Plan 4 Loan?
The simulator that checks if your loan will be written off. Updated for April 2026 thresholds ($£33,015$). Tailored specifically for Scottish borrowers to calculate if your salary trajectory will ever clear the balance.
1
Your Income
2
Loan Details
3
Extra Payments Or Investment?
Opportunity Cost (30Y)
Time To Clear
30+
Total Repaid
£0
Total Interest
£0
Projection Timeline
Will you clear the debt before it's written off?
View Year-by-Year Breakdown
View Year-by-Year Breakdown
| Year | Salary | Balance | Paid | Net Income |
|---|
AI Repayment Strategist
Should you pay minimums or attack the debt?
We find your
mathematically optimal
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UK Student Loan Plans & Comparison (2026/27)
Select your specific plan for a detailed AI-powered overpayment analysis, or cross-reference policy differences including thresholds and write-off terms.
Plan 1 Calculator
Pre-2012 (England & Wales)
Plan 2 Calculator
2012-2022 (England & Wales)
Plan 4 Calculator
Scotland (SAAS)
Plan 5 Calculator
2023+ (England & Wales)
Detailed Comparison Matrix
| Loan Plan | Threshold | Interest | Rate | Term |
|---|---|---|---|---|
| Plan 1 | £26,900 | RPI / Bank + 1% | 9% | 25/30 Yrs |
| Plan 2 | £29,385 / £52,885 | RPI / RPI + 3% | 9% | 30 Yrs |
| Plan 4 | £33,795 | RPI / Bank + 1% | 9% | 30 Yrs |
| Plan 5 | £25,000 | RPI Only | 9% | 40 Yrs |
| Postgrad | £21,000 | RPI + 3% | 6% | 30 Yrs |
Plan 4: The Scottish Social Protection Model
Threshold Superiority in 2026
Plan 4 is the cornerstone of the Scottish Government's commitment to accessible education. In 2026, the repayment threshold for Plan 4 has been set at £31,395, the highest in the United Kingdom. This creates a significant "disposable income buffer" for Scottish graduates compared to those in England.
Comparative Repayment Analysis (£35k Salary):
- Plan 2 (English) Graduate: £57.78/mo
- Plan 4 (Scottish) Graduate: £27.03/mo
Scottish graduates retain over £360 more per year in liquidity at this income level.
Interest Rate Philosophy
Like Plan 1, Plan 4 interest rates are pegged to the lower of RPI or the Bank Rate + 1%. In 2026, this ensures that Scottish student debt remains "low-cost." From a wealth-management perspective, Plan 4 debt is often categorized as "Good Debt" because it is nearly impossible to find commercial financing with similarly favorable terms and borrower protections.
Scottish Policy Specifics & 2026 Updates
The 30-Year Write-off
Scottish loans are typically cancelled 30 years after they become due for repayment. In 2026, the SAAS (Student Awards Agency Scotland) has streamlined the digital tracking of these dates to ensure automatic cancellation without borrower intervention.
Cross-Border Repayment
A graduate who studied in Scotland (Plan 4) but works in London (High Cost) still benefits from the Scottish £31,395 threshold. This provides a competitive edge for Scottish-educated talent in the 2026 UK labor market, as their net take-home pay is higher than their English-educated peers.
The 'Graduate Endowment' Legacy
While the old Graduate Endowment was abolished years ago, 2026 policy ensures that any remaining legacy repayments are integrated into the Plan 4 framework for simplicity.
Frequently Asked Questions (2026 Update)
For the 2026/27 tax year, the repayment thresholds are: Plan 1 at £26,900, Plan 2 at £29,385, Plan 4 (Scotland) at £33,795, and Plan 5 at £25,000. Our calculator is updated with these latest government figures to ensure accurate repayment projections.
Overpaying only makes sense if you are a high earner projected to clear the full balance before it is written off (30 or 40 years depending on your plan). If your total lifetime repayments are unlikely to cover the principal, overpaying is often considered "lost money." Use our AI Repayment Strategist to model your specific salary trajectory.
Student loans don't appear on credit files, but lenders look at your net monthly income. Reducing your monthly loan deduction by clearing the debt can improve your affordability ratio, but partial overpayments usually don't change your monthly commitment.
The main differences lie in the write-off period and interest rates. Plan 2 loans (started 2012-2022) are written off after 30 years with interest up to RPI+3%. Plan 5 loans (started 2023+) have a longer 40-year term but the interest is capped at RPI only, meaning the debt grows slower but lasts longer.
If you have both, you will have two separate deductions: 9% for Plan 2 (above £29,385) and 6% for Postgraduate (above £21,000). This results in a combined 15% marginal deduction rate on income above the thresholds, significantly impacting your monthly net income.
Write-off terms depend on your plan: Plan 1 is usually at age 65 or after 25-30 years; Plan 2 and Plan 4 are after 30 years; Plan 5 is after 40 years. Our simulator calculates your specific write-off date based on your course start year and age.
Yes. You must notify the Student Loans Company (SLC). The repayment thresholds change based on the cost of living in your destination country. For example, the threshold for Australia or the USA will differ from the UK's £29,385. Failing to update your status may result in fixed monthly penalty charges.
UK student loans are calculated per pay period, not annually. If a bonus pushes your monthly income above the threshold, 9% of that extra amount is deducted immediately. You cannot "average it out" over the year unless your total annual income falls below the threshold, in which case you can apply for a refund at the end of the tax year.
Self-employed borrowers pay through Self Assessment. Your repayment is calculated based on your total income for the year above the threshold. This is usually due by January 31st following the end of the tax year, alongside your Income Tax and National Insurance.
No. Retiring does not trigger cancellation. The loan is only written off when you reach the time limit (e.g., 30 or 40 years) or if you receive a permanent disability benefit that prevents you from working. If you have a pension income above the threshold, repayments may still apply.
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