HMRC update announced today. Another month to file granted without penalty (have to file by 28 Feb) and no late payment penalties if paid by 1 April(but doesn't apply to interest which will still run from 1 Feb if not paid by 31 Jan)
Welcome to January when around 50% of tax returns are due to be filed according to some stats! Tax returns for the year 6 April 2020 - 5 April 2021 are to be submitted by 31 Jan 2022, together with any tax payment due. Late filing/late payment can result in interest & penalties.