An SA302 is a tax calculation document issued by HMRC that shows your income and tax position for a specific tax year. It is most commonly used as proof of income by mortgage lenders banks and financial institutions especially for self employed individuals and company directors. If you have been asked for an SA302 during a mortgage or loan application this is the document they are referring to.
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What an SA302 is
An SA302 is an official summary of your self assessment tax return. It confirms the income you declared to HMRC and shows how your tax was calculated for that year.
An SA302 includes
- total income reported
- taxable income
- income tax due
- tax already paid
- any balancing payment
It is generated after your tax return is submitted and processed.
To understand how SA302 fits into the wider tax system you can also read our guide on income tax
Why lenders ask for an SA302
Lenders rely on SA302s because they are based on HMRC records. For self employed individuals they provide a reliable picture of income over time rather than just recent bank statements.
Most mortgage providers ask for
- SA302 documents for the last two or three tax years
- a matching tax year overview for each year
These documents together confirm both income and tax payment history.
Who needs an SA302
An SA302 is commonly required by
- self employed individuals
- sole traders
- freelancers
- landlords
- company directors
- partners in partnerships
Employees paid only through PAYE usually do not need an SA302 unless they also submit a self assessment return.
If you are unsure whether you should be filing self assessment you can review
What information an SA302 shows
An SA302 provides a breakdown of income sources reported during the tax year.
This may include
- trading income
- rental income
- dividends
- savings interest
- total taxable income
- total tax liability
Lenders often use this information to calculate average income across multiple years.
SA302 and tax year overview explained
An SA302 is often requested together with a tax year overview. The SA302 shows the tax calculation. The tax year overview confirms whether the tax due has been paid. Lenders usually want both to make sure there are no outstanding HMRC balances.
HMRC guidance on tax year overviews
How to get an SA302 from HMRC
If you submit your tax return online you can download your SA302 from your HMRC account.
The process usually involves
- logging into your HMRC online account
- opening the self assessment section
- selecting the relevant tax year
- downloading the SA302
If your accountant files on your behalf they can usually provide this document as well.
Can an accountant provide an SA302
Yes. Accountants who submit tax returns using recognised software can generate SA302s. Many lenders accept these as long as they match HMRC records. However some lenders insist on HMRC generated versions so it is always best to check lender requirements in advance.
SA302 for mortgages
SA302s are most commonly requested for mortgage applications. Lenders use them to assess income stability and affordability.
Typical mortgage requirements include
- two or three years of SA302s
- matching tax year overviews
- consistent income trends
If income fluctuates lenders may ask for explanations or supporting documents.
SA302 for company directors
Company directors often rely on SA302s even if they receive income through salary and dividends. The SA302 reflects total declared income which gives lenders a full picture. This is especially important where PAYE salary alone does not reflect true earnings.
You can also read how PAYE interacts with self assessment
Common problems with SA302 documents
Many people experience delays because of issues with SA302s.
Common problems include
- incorrect income figures
- missing tax year overviews
- unpaid tax showing on the overview
- using the wrong tax years
- lender rejecting accountant generated documents
These issues are easier to resolve before applying for finance.
How to avoid SA302 issues
You can reduce delays by
- filing tax returns on time
- paying tax liabilities promptly
- keeping copies of SA302s each year
- checking figures before submission
- confirming lender document requirements early
Preparation saves time and stress.
Do PAYE workers need an SA302
Most PAYE employees do not need an SA302. However if you file a self assessment return for rental income freelance work or other income an SA302 may still be required. This often surprises employees with side income.
How Path Accountants can help with SA302 documents
At Path Accountants we help individuals obtain review and correct their SA302 documents so they are accepted by lenders without delays. We make sure your income figures are accurate tax is paid correctly and supporting documents are ready when needed.
Our services include
- self assessment preparation
- SA302 and tax year overview support
- income review for mortgages
- HMRC communication
- tax planning for self employed individuals
You can request a free consultation here
Explore all services
Conclusion
An SA302 is a key document for anyone who files a self assessment tax return and needs to prove income. It shows exactly what you earned and how much tax you paid using HMRC approved calculations. Whether you are applying for a mortgage loan or financial product understanding SA302s helps you avoid delays and move forward with confidence. Keeping your tax records accurate ensures your SA302 works in your favour when it matters most.
FAQs
Is an SA302 the same as a tax return?
No. The tax return is what you submit. The SA302 is the calculation HMRC produces from it.
How many years of SA302 do lenders usually ask for?
Most lenders request two or three years.
Can I download an SA302 myself?
Yes if you file online you can download it from your HMRC account.
Do lenders accept accountant generated SA302s?
Many do but some require HMRC generated versions.
What if my income changes each year?
Lenders usually average income and may ask for explanations.
Do employees need an SA302?
Only if they submit a self assessment return.

