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Help centre · Compliance and tax

How do I send my tax return through Making Tax Digital?

After the tax year ends, open the MTD page, answer the three questions about your other income and year-end claims, then run the final declaration by 31 January. HMRC works out the Income Tax and National Insurance due; you read it and confirm. It can be amended afterwards.

The final declaration is the whole return

Under Making Tax Digital the tax return is called the final declaration, and it covers every source of income for the year, not just the rent. LetCompliance puts your UK property income into it. HMRC adds some information itself, such as employment income and pensions. Anything else has to come from your software.

When to finish the year somewhere else

The page asks three questions first and stops you if an answer means the return would be incomplete:

  • You had savings interest, dividends, partnership profit or other income HMRC does not add itself. Keep sending your quarterly updates here, and send the return with software that can add that income
  • You also have self-employment or foreign property income. Send the return with the software you use for that
  • You need to claim property losses from an earlier year, or capital allowances on anything other than a car

GOV.UK allows more than one software product, as long as each separate submission is made from one of them.

What you can claim here

The year end covers the property allowance, Rent-a-Room relief, finance costs brought forward, capital allowances on a car, replacing domestic items, a private use adjustment and a balancing charge, and it confirms the cash basis with HMRC.

Sending it

Run the calculation, read the Income Tax and National Insurance HMRC works out, confirm, and send. The deadline is 31 January after the tax year ends. If something changes later, the return can still be amended.

Where this lives

MTD income tax.

Open it in LetCompliance

Still stuck? Ask us directly. A person reads it.