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Landlord Tax Return Checklist

The Accounted Tax Team·17 March 2026·2 min read

Before You Start

Gather all your property records for the tax year (6 April to 5 April). Here is everything you need.

Income

  • [ ] Total rental income received (from all properties)
  • [ ] Any other property income (insurance payouts, deposits forfeited)
  • [ ] Income dates (to ensure they fall in the correct tax year)

Expenses

  • [ ] Letting agent fees and management costs
  • [ ] Insurance premiums (buildings, contents, liability, rent guarantee)
  • [ ] Repairs and maintenance invoices
  • [ ] Ground rent and service charges
  • [ ] Council tax (if you pay during void periods)
  • [ ] Utility bills (if you pay them)
  • [ ] Legal and accountancy fees
  • [ ] Travel to property (mileage log or receipts)
  • [ ] Advertising costs
  • [ ] Safety certificates (gas, electrical, EPC)
  • [ ] Replacement of domestic items

Mortgage Interest

  • [ ] Annual mortgage interest statement from your lender
  • [ ] Other finance costs (loan interest, arrangement fees)
  • [ ] Note: these go in the finance costs section, not expenses

Capital Expenditure (Not Deductible Against Income)

  • [ ] Record any improvements made during the year (for future CGT calculations)
  • [ ] Keep improvement invoices separately from repair invoices

Other Information

  • [ ] Property addresses
  • [ ] Date each property was first let
  • [ ] Periods when property was empty
  • [ ] Joint ownership details (if applicable)

Filing Tips

  • File online by 31 January following the end of the tax year
  • Complete the property supplement (SA105) of your Self Assessment
  • If you have multiple properties, combine the figures on a single property supplement
  • Keep all records for at least six years

Use Accounted throughout the year so everything is ready when you need it.


Be prepared, file on time, claim everything you are owed. Sign up for Accounted and let Penny keep your property records in order all year.

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The Accounted Tax Team

Tax & Compliance Specialists

Our tax specialists have decades of combined experience in UK sole trader and small business taxation, MTD compliance, and HMRC submissions. All content is reviewed against current HMRC guidance before publication and updated quarterly to reflect legislative changes.

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