{"id":259,"date":"2026-10-05T16:06:28","date_gmt":"2026-10-05T16:06:28","guid":{"rendered":"https:\/\/ashfield-accountancy.co.uk\/?p=259"},"modified":"2026-10-05T16:06:28","modified_gmt":"2026-10-05T16:06:28","slug":"tax-diary-october-november-2026","status":"publish","type":"post","link":"https:\/\/ashfield-accountancy.co.uk\/?p=259","title":{"rendered":"Tax diary October\/November 2026"},"content":{"rendered":"<div>\n<p>1 October 2026 &#8211; Corporation Tax payment is due for companies with an accounting period ending 31 December 2025, unless the company is required to make quarterly instalment payments.<\/p>\n<p>5 October 2026 &#8211; Deadline for notifying HMRC of a new liability to Income Tax or Capital Gains Tax for the 2025-26 tax year. This may include registering for Self Assessment if you became self-employed, started receiving taxable rental income or received other income or gains that have not already been taxed.<\/p>\n<p>7 October 2026 &#8211; VAT returns and payments are normally due for accounting periods ending 31 August 2026, unless a different deadline applies. Businesses paying by Direct Debit should allow sufficient time for HMRC to collect the payment.<\/p>\n<p>19 October 2026 &#8211; PAYE, employee and employer National Insurance contributions, student loan deductions and Construction Industry Scheme deductions are due for the month ended 5 October 2026 if payment is made by post.<\/p>\n<p>19 October 2026 &#8211; Deadline for submitting the CIS300 monthly return for the month ended 5 October 2026.<\/p>\n<p>22 October 2026 &#8211; Electronic payments of PAYE, National Insurance contributions, student loan deductions and CIS deductions are due for the month ended 5 October 2026.<\/p>\n<p>22 October 2026 &#8211; Electronic payment deadline for tax and Class 1B National Insurance contributions due under a PAYE Settlement Agreement for the 2025-26 tax year. The deadline is 19 October 2026 if payment is not made electronically.<\/p>\n<p>31 October 2026 &#8211; Deadline for submitting a paper Self Assessment tax return for the year ended 5 April 2026. Taxpayers who miss the paper filing deadline can normally file online by 31 January 2027 instead.<\/p>\n<p>31 October 2026 &#8211; Corporation Tax returns are due for companies with an accounting period ending 31 October 2025.<\/p>\n<p>31 October 2026 &#8211; Companies House accounts are due for private companies with an accounting period ending 31 January 2026. Different deadlines apply to a company&#8217;s first accounts.<\/p>\n<p>31 October 2026 &#8211; Plastic Packaging Tax returns and payments are due for the quarter ended 30 September 2026 where the business is registered for the tax.<\/p>\n<p>1 November 2026 &#8211; Corporation Tax payment is due for companies with an accounting period ending 31 January 2026, unless the company is required to make quarterly instalment payments.<\/p>\n<p>7 November 2026 &#8211; VAT returns and payments are normally due for accounting periods ending 30 September 2026, unless a different deadline applies. Businesses paying by Direct Debit should allow sufficient time for HMRC to collect the payment.<\/p>\n<p>19 November 2026 &#8211; PAYE, employee and employer National Insurance contributions, student loan deductions and Construction Industry Scheme deductions are due for the month ended 5 November 2026 if payment is made by post.<\/p>\n<p>19 November 2026 &#8211; Deadline for submitting the CIS300 monthly return for the month ended 5 November 2026.<\/p>\n<p>22 November 2026 &#8211; Electronic payments of PAYE, National Insurance contributions, student loan deductions and CIS deductions are due for the month ended 5 November 2026. As 22 November 2026 falls on a Sunday, businesses should arrange payment early enough for the cleared funds to reach HMRC by the deadline.<\/p>\n<p>30 November 2026 &#8211; Corporation Tax returns are due for companies with an accounting period ending 30 November 2025.<\/p>\n<p>30 November 2026 &#8211; Companies House accounts are due for private companies with an accounting period ending 28 February 2026. Different deadlines apply to a company&#8217;s first accounts.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>1 October 2026 &#8211; Corporation Tax payment is due for companies with an accounting period ending 31 December 2025, unless the company is required to make quarterly instalment payments. 5 October 2026 &#8211; Deadline for notifying HMRC of a new liability to Income Tax or Capital Gains Tax for the 2025-26 tax year. This may [&#8230;]\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-259","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/ashfield-accountancy.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/259","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ashfield-accountancy.co.uk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ashfield-accountancy.co.uk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ashfield-accountancy.co.uk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ashfield-accountancy.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=259"}],"version-history":[{"count":0,"href":"https:\/\/ashfield-accountancy.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/259\/revisions"}],"wp:attachment":[{"href":"https:\/\/ashfield-accountancy.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=259"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ashfield-accountancy.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=259"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ashfield-accountancy.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=259"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}