What is a director's loan account and what happens if it goes overdrawn?

by Abbas Gulamhusein

If you run a limited company and occasionally take money out that's neither salary nor dividend, it goes into something called a director's loan account. For many owner-directors, the loan account stays hidden in the background of the accounts. But if it goes overdrawn, it creates tax bills that can surprise you. Understanding how it works and what happens when it's overdrawn is important, especially if you run a business where cash movements are irregular or you're accessing working capital in an ad-hoc way.

What a Director's Loan Account Is

A director's loan account is simply a running record of the money that's passed between you and your company outside of salary, dividends, and legitimate expenses. If you've paid money into the company, say a capital injection, the loan account goes into credit. If you've withdrawn cash from the company without formally declaring it as salary or dividend, the loan account goes overdrawn, meaning you owe the company money.

In a well-run business, the loan account should sit at zero most of the time. Salaries and dividends are paid formally, invoiced expenses are reimbursed through the books, and the loan account is used only for temporary borrowing or occasional capital movements. But in many owner-managed businesses, it becomes a de facto overdraft. The director needs cash, takes it from the company account, and the loan account records the debt. The problem is that HMRC charges tax on overdrawn director's loans, and if the loan isn't cleared within a reasonable time frame, those charges can be substantial.

The S455 Tax Charge

The most significant tax consequence of an overdrawn director's loan account is section 455 tax. If your director's loan account is still overdrawn nine months after the end of your company's financial year, the company has to pay tax to HMRC. The rate is currently 35.75%. This is tax the company pays, not you personally, but it creates a significant cash flow problem.

To illustrate: if your director's loan account is overdrawn by £100,000 at nine months after year end and you haven't repaid it, the company owes HMRC a section 455 tax bill of £35,750. That's tax owed to HMRC on a loan between you and your own company. The section 455 charge is repayable if you subsequently repay the loan to the company, but it's a real tax cost. If you're running a business with a £100,000 overdrawn loan account, the company needs to set aside £35,750 just for the tax bill.

For larger overdrawn balances, the numbers become very significant. A £200,000 overdrawn loan account creates a £71,500 section 455 bill. A £500,000 overdrawn loan account creates a £178,750 bill. These aren't small numbers. They can materially affect the company's cash flow.

Benefit-in-Kind Charge

There's a second tax charge that applies to overdrawn director's loans. If the loan exceeds £10,000 at any point during the tax year, you face a benefit-in-kind charge on the loan. HMRC treats a cheap or free loan to a director as a benefit, and charges you income tax on it based on an imputed interest rate. The current official rate (for 25/26) is 3.75%. On a £100,000 loan, that's £3,750 of taxable income to you, which at 40% income tax means a cost of roughly £1,500 to you. On a £500,000 loan, it's £18,750 of taxable income, costing roughly £7,500.

Unlike section 455 tax, which is paid by the company, the benefit-in-kind is personal income tax to you. You're being taxed on the deemed interest the company is lending you money without charging you for.

How the Loan Gets Overdrawn

The typical scenario is simple. The director needs cash. Instead of taking a formal dividend, they withdraw funds from the company account. The accountant records it against the loan account. As long as the loan account isn't too large and isn't left overdrawn for too long, it might not trigger the tax charges. But if the loan accumulates and sits there year after year, the tax charges kick in at nine months post year-end.

Another common scenario is a director making a capital injection into the company in good times, then slowly drawing on it as cash is needed. If the draws exceed the capital injected, the loan account goes overdrawn.

Clearing an Overdrawn Loan Account

There are only three ways to clear an overdrawn director's loan account. One: declare a dividend if the company has sufficient retained profits. The dividend payment reduces the loan balance. Two: take additional salary, which the company pays out and reduces the loan balance. Three: put money back into the company yourself and credit it to the loan account.

The cleanest approach is usually a formal dividend, provided the company has the profits to support it. A dividend is declared in the minutes, formally approved, and paid out. This is recorded in the loan account and the balance returns to credit or zero.

One important caveat: HMRC has a bed and breakfasting rule to prevent manipulation. If you repay an overdrawn loan just before the nine-month deadline (to avoid the section 455 charge) and then re-borrow the same money within 30 days, the repayment might be ignored. The purpose is to stop directors artificially clearing overdrawn balances temporarily. The rule is anti-avoidance, and it's focused on large swings in the loan account.

Why This Matters at Scale

For businesses where the director is actively drawing cash against the loan account, the numbers accumulate quickly. A director taking irregular cash draws over several years could find themselves with a £150,000 or £200,000 overdrawn loan account without realising how large it's become. At that point, the section 455 charges and benefit-in-kind charges become substantial, and clearing the loan becomes a real cash flow issue for the company.

Practical Management

The practical approach is to manage the loan account actively. Understand your loan account balance. If it's overdrawn, have a plan to clear it. Don't let it accumulate year after year. Section 455 charges don't apply until nine months post year-end, so you have a window to sort it, but treating it as a permanent overdraft is expensive.

If you're not sure what your loan account balance is, speak to your accountant. Getting it sorted properly is worth doing.

If you'd like to talk through your loan account situation and how to manage it, get in touch with us at Saymur.