Work out the s455 tax your company owes on an overdrawn director's loan account, plus any beneficial loan benefit-in-kind and Class 1A NIC if interest is charged below the official rate.
Données vérifiées · July 2026
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If a director's loan is still outstanding nine months after the company's year end, the company pays s455 tax (33.75%, matching the dividend upper rate) on the unpaid balance — refundable once the loan is repaid. Separately, if the loan exceeds £10,000 at any point and interest is charged below HMRC's official rate, the difference is a taxable benefit-in-kind on the director, with employer Class 1A NIC due.
£25,000 loan outstanding at year end, nothing repaid within nine months: s455 tax of £8,438 (33.75%) is due, refundable once the loan is cleared.
Enter the loan balance outstanding at the company year end.
Enter any amount repaid within nine months of the year end (reduces the s455 charge).
Add the interest rate actually charged on the loan, if any.
Enter the average loan balance during the year for the beneficial loan calculation (defaults to the year-end balance).
Last data update
July 7, 2026
Sources and references
HMRC — Director's loans (gov.uk/directors-loans); Beneficial loan arrangements — official rate of interest (gov.uk/guidance/rates-and-allowances-beneficial-loan-arrangements), 2025/26.
The data in this calculator is updated regularly to reflect the latest official rates. When in doubt, consult the official sources listed above.
Yes — once the loan is repaid, released or written off, the company can reclaim the s455 tax paid, though the claim can take up to two years to process.
No — HMRC ignores beneficial loans where the balance never exceeds £10,000 at any point in the tax year.