Self-Employed Mortgage Documents: SA302s, Accounts and Bank Statements

An employee's mortgage application typically relies on payslips and an employer reference. Self-employed income has no equivalent third party confirming it month to month, so lenders instead look to documents that are independently verifiable, primarily through HMRC, alongside accounts prepared by a qualified accountant and bank statements that show the income actually being received.

The SA302 summarises the income declared on your Self Assessment tax return for a given year. The tax year overview is a separate HMRC document confirming the tax position for that year. Lenders often ask for both together because the tax year overview effectively confirms that the SA302 figures were genuinely submitted to and processed by HMRC, rather than just printed from software.

If you file online, both documents can usually be accessed and printed directly from your personal HMRC account. If a third party filed on your behalf using commercial software, your accountant may be able to provide equivalent documents, or you can contact HMRC directly to request them.

Alongside or instead of SA302s, many lenders accept accounts prepared and certified by a qualified accountant, sometimes accompanied by a specific accountant's certificate confirming income figures in a format the lender requires. If you know you will be applying for a mortgage, it is worth telling your accountant in advance, since some lenders have particular requirements about the accountant's professional body membership or the certificate wording.

If you operate through a limited company, lenders typically want to understand both what you draw from the business — salary and dividends — and how the business itself is performing, which usually means reviewing company accounts and sometimes retained profit. Some lenders will consider retained profit within the company as part of your income; others focus solely on what you have personally drawn. This distinction can materially affect how much a lender is willing to consider, so it is worth clarifying early with an advisor.

Personal bank statements, usually covering the last three to six months, are commonly requested to check that declared income is actually landing as expected and to review your regular spending and existing credit commitments. Business account statements may also be requested, particularly for limited company directors, to help cross-reference the figures in the accounts.

Self-employed income often varies year to year more than an employee's salary. Some lenders average figures across two or three years; others place more weight on the most recent year, particularly if it shows growth. If your most recent year was lower than usual — for example due to a one-off cost, a change in the business, or reduced trading — gather evidence to explain it, since context can materially affect how a lender treats the figures.

The single most useful thing a self-employed applicant can do is gather documents before approaching a lender or advisor, rather than scrambling once an application is underway. Missing or inconsistent paperwork is one of the most common reasons self-employed applications take longer than expected — good preparation is largely within your control.