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Get your paperwork ready for a mortgage or loan as self-employed

You're self-employed and applying for a mortgage, a car loan or a flat, and they want proof of income. Get a checklist of what's usually asked for and how to get each document from HMRC.

Updated 17 Oct 2026

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The prompt · ChatGPT

Help me get my paperwork ready for a mortgage or loan application as self-employed.

What I'm applying for: [mortgage, loan, rental]
How long I've been self-employed: [years]
What I have: [accounts, tax returns, an accountant]
What they've asked for: [paste, if you know]

First ask me up to 3 short questions. Wait for my answers.

Then:
1. A checklist of documents commonly asked for, marked against what I've said I have.
2. Look up the GOV.UK page on getting your SA302 tax calculation, name it and summarise how to get it and the tax year overview.
3. Gaps and how to fill them.
4. A short cover note to the lender or broker.

Not financial advice. Only use what I've told you, leave blanks for anything I haven't given, and don't invent facts or figures. UK English.

For the GOV.UK SA302 tax calculation page, use web search and name the page you used. If it doesn't search on its own, open View all tools and choose Search.

Stay in this ChatGPT chat. Do not turn on apps or connectors, and do not use memory from another chat.

A short example

Fill the blanks, then paste. mortgage, loan, rental: a short note you already have. years: a short note you already have. Leave the rest of the prompt as written.

This does not give tax advice. The books stay in the accounting system.

The prompt · Copilot

Help me get my paperwork ready for a mortgage or loan application as self-employed.

What I'm applying for: [mortgage, loan, rental]
How long I've been self-employed: [years]
What I have: [accounts, tax returns, an accountant]
What they've asked for: [paste, if you know]

First ask me up to 3 short questions. Wait for my answers.

Then:
1. A checklist of documents commonly asked for, marked against what I've said I have.
2. Look up the GOV.UK page on getting your SA302 tax calculation, name it and summarise how to get it and the tax year overview.
3. Gaps and how to fill them.
4. A short cover note to the lender or broker.

Not financial advice. Only use what I've told you, leave blanks for anything I haven't given, and don't invent facts or figures. UK English.

For the GOV.UK SA302 tax calculation page, switch to Search mode so the answer comes with a citation.

Stay in this Copilot chat. Leave plugins off, and do not open a file from OneDrive.

A short example

Fill the blanks, then paste. mortgage, loan, rental: a short note you already have. years: a short note you already have. Leave the rest of the prompt as written.

1

You describe what you're applying for and how long you've been self-employed.

2

The assistant asks what records and accounts you have.

3

You get a checklist, how to get your tax calculations and year overviews from GOV.UK, and a cover note.

What happens

Use Copilot to get your paperwork ready for a mortgage or loan as self-employed

You're self-employed and applying for a mortgage, a car loan or a flat, and they want proof of income. Get a checklist of what's usually asked for and how to get each document from HMRC.

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