Important: FilingFriend provides general informational guidance about UK filing requirements. It does not provide tax, accounting, or legal advice. Always confirm requirements with HMRC or Companies House.
The main Self Assessment dates for landlords
Landlords who need to file through Self Assessment usually follow HMRC's standard timetable: registration by 5 October after the relevant tax year if you are new to filing, paper returns by 31 October, online returns and balancing payments by 31 January, and second payments on account by 31 July where they apply.
The dates are fixed, but whether you need to file depends on your circumstances and the HMRC rules for property income.
Records matter more than the final deadline
Rental income and allowable expenses are easier to manage when you keep the records throughout the year. Leaving everything until January makes it harder to identify missing invoices, mortgage interest information, or agent statements.
HMRC also expects you to keep records that support what you report.
Why landlords should also watch Making Tax Digital
Landlords with qualifying income over HMRC's thresholds may also need to prepare for Making Tax Digital for Income Tax from April 2026 or April 2027, depending on the level of qualifying income.
That makes it worth reviewing your record-keeping process now rather than treating digital changes as a later problem.
Key deadlines
| Action | Deadline | Why it matters |
|---|---|---|
| Register for Self Assessment if you need to file | 5 October after the relevant tax year | Applies to first-time filers. |
| Online Self Assessment return and balancing payment | 31 January | The main annual deadline for many landlords. |
| Second payment on account | 31 July | Only applies where payments on account are due. |
| MTD for Income Tax first stage for qualifying income over GBP50,000 | 6 April 2026 | Applies only if the HMRC qualifying income test brings you into scope. |
Official references
FAQ
Do all landlords need to file Self Assessment?
Not always. The answer depends on your property income position and HMRC's rules, so check the official property income guidance if you are unsure.
Why do landlords care about 31 July?
That is the usual deadline for the second payment on account for taxpayers who make payments on account.
Next step
Keep the main dates visible
Use the FilingFriend calendar as a quick reminder layer, then return to this guide when you need the fuller explanation or official source links.