Tax Deadline 2024 Extension Date Uk. A research report covering additional insight on tax credit migrations and initial discovery activity for wider benefit cohorts was published on 29 february 2024. If you’re doing a paper tax return, you must submit it by midnight 31 october 2024.
Your second payment on account will be due by midnight on 31 july 2024. Self assessment customers have just 100 days left to submit their tax return ahead of the deadline on 31 january 2024, hm revenue and customs (hmrc) has said.