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📊 Month-by-Month Breakdown
| Month | Balance (No Overpay) | Balance (With Overpay) | Interest Saved |
|---|
Typical UK Loan Interest Rates 2026
| Loan Type | Typical APR Range | Overpayment Allowed? | ERC? |
|---|---|---|---|
| Car Loan (PCP/HP) | 7–14% | ✅ Usually yes | Sometimes — check deal |
| Personal Loan | 6–25% | ✅ Yes | Up to 58 days interest |
| Home Improvement Loan | 5–12% | ✅ Yes | Usually none |
| Debt Consolidation Loan | 8–20% | ✅ Yes | Up to 58 days interest |
Real UK Examples — Loan Overpayments
Tom, 28 — £14,000 car loan at 9.5% over 4 years
Tom financed his car through dealer finance at 9.5% APR. He pays £100 extra per month from month one.
Emma, 35 — £12,000 personal loan at 13.9% over 3 years
Emma took out a personal loan for home improvements. She overpays £150/month to clear it faster.
Raj, 42 — £22,000 home improvement loan at 7.4% over 5 years
Raj borrowed to extend his home. He overpays £200/month having checked there is no ERC.
Frequently Asked Questions
Yes, UK consumer credit law gives you the right to make overpayments on any personal loan. However, lenders can charge an Early Repayment Charge (ERC) of up to 58 days interest on the amount you overpay above your scheduled payments. Always check your loan agreement or call your lender before making large overpayments. Many lenders — especially newer digital lenders — have no ERC at all.
On a £15,000 car loan at 8.9% over 4 years, paying £100 extra per month saves approximately £340 in interest and pays it off around 8 months early. Because car loans are shorter term than mortgages, the absolute saving is smaller — but overpaying still reduces your debt burden and frees up cash sooner. Use the calculator above for your exact figures.
If your loan APR is higher than your savings rate — which it almost always is for personal loans and car loans at 8-15% — overpaying the loan is mathematically better. You get a guaranteed return equal to your loan rate, tax-free. The only exception is if you have no emergency fund — always keep 1-3 months expenses in savings before overpaying a loan.
Overpaying a loan does not negatively affect your credit score. Paying off a loan early closes the account, which may have a minor short-term effect on score, but being debt-free and having a history of on-time payments is generally viewed very positively by lenders. The long-term effect on your creditworthiness is positive.