In 2026, landlords with a turnover above £50,000 will need to comply with the new MTD for Income Tax rules, while those earning above £30,000 will need to follow the rules from April 2027. There are fixed deadlines for quarterly and annual submissions under MTD.  The deadlines for submitting quarterly updates are throughout the tax year: 5th August, 5th November, 5th February and 5th May. End of period statements and final declarations of income must be submitted by 31st January.