{"id":2203,"date":"2026-04-11T15:36:16","date_gmt":"2026-04-11T15:36:16","guid":{"rendered":"https:\/\/www.taxes4u.co.uk\/?page_id=2203"},"modified":"2026-04-12T09:18:22","modified_gmt":"2026-04-12T09:18:22","slug":"blog-self-assessment-tax-return-uk-2025-2026","status":"publish","type":"page","link":"https:\/\/www.taxes4u.co.uk\/ro\/blog-self-assessment-tax-return-uk-2025-2026","title":{"rendered":"Declara\u021bie fiscal\u0103 auto-evaluare UK 2025\/26: Ce trebuie s\u0103 \u0219tii \u0219i cum s\u0103 o depui"},"content":{"rendered":"<h5>\n\t\t\t\tBlog\n\t\t\t<\/h5>\n\t<h1>\n\t\t\t\tDeclara\u021bie fiscal\u0103 auto-evaluare UK 2025\/26: Ce trebuie s\u0103 \u0219tii \u0219i cum s\u0103 o depui\n\t\t\t<\/h1>\n<figure itemscope=\"\" itemtype=\"https:\/\/schema.org\/ImageObject\">\n\t\t\t\t<a href=\"https:\/\/www.taxes4u.co.uk\/wp-content\/uploads\/2026\/04\/Self-Assessment-Blog-Post-Image.png\" target=\"_self\" itemprop=\"url\">\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.taxes4u.co.uk\/wp-content\/uploads\/2026\/04\/Self-Assessment-Blog-Post-Image.png\" alt=\"Self Assessment Tax Return UK 2025\/26 - what you need to know and how to file\" height=\"1024\" width=\"1536\" title=\"Declara\u021bie fiscal\u0103 auto-evaluare Marea Britanie 2025\/26\" onerror=\"this.style.display='none'\" loading=\"lazy\">\n\t\t\t\t<\/a>\n\t<\/figure>\n\t<h2>\n\t\t\t\tTrebuie s\u0103 depui o declara\u021bie fiscal\u0103 auto-evaluat\u0103?\n\t\t\t<\/h2>\n\t\t\t<p>&nbsp;If you&#8217;re self-employed, a sole trader, a landlord, or earning income outside of PAYE, you need to file a&nbsp;self assessment tax return UK 2025\/26 with HMRC. For many people, especially those new to the UK tax system &#8211; this process feels complicated. It doesn&#8217;t have to be. This guide walks you through everything you need to know: what Self Assessment is, who needs to file, key deadlines, what to include, and how to avoid penalties.&nbsp;Help is available in English, Russian, Lithuanian and Romanian languages &#8211; if you&#8217;d prefer to speak with us in your language, <a href=\"https:\/\/www.taxes4u.co.uk\/ro\/contact\/\">contacta\u021bi Taxes4u ast\u0103zi<\/a>.<\/p>\t\n\t<h2>\n\t\t\t\tCe este o declara\u021bie fiscal\u0103 de autoevaluare \u0219i trebuie s\u0103 depun una?\n\t\t\t<\/h2>\n\t\t\t<p>&nbsp;Self Assessment is the system HMRC uses to collect Income Tax from people whose tax isn&#8217;t automatically deducted from their wages. If you&#8217;re employed and only earn a salary, your employer handles your tax through PAYE (Pay As You Earn). But if you have other income &#8211; from self-employment, rental income, investments, or certain benefits &#8211; HMRC requires you to report it yourself through a Self Assessment tax return.&nbsp;You need to file a Self Assessment tax return if, in the 2025\/26 tax year, any of the following apply to you:<\/p><ul><li>A\u021bi fost freelancer, persoan\u0103 fizic\u0103 autorizat\u0103, \u0219i a\u021bi c\u00e2\u0219tigat peste \u00a31.000<\/li><li>You&#8217;re a partner in a business partnership<\/li><li>A\u021bi ob\u021binut venituri din chirii de la o proprietate<\/li><li>Venitul t\u0103u total a fost peste 100.000 \u00a3<\/li><li>A\u021bi primit venituri din str\u0103in\u0103tate<\/li><li>Trebuie s\u0103 pl\u0103ti\u021bi impozit pe c\u00e2\u0219tigurile de capital<\/li><li>A\u021bi primit venituri neimpozitate, cum ar fi bac\u0219i\u0219uri sau comisioane<\/li><li>A\u021bi solicitat Aloca\u021bia pentru Copil, iar dumneavoastr\u0103 sau partenerul\/partenera dumneavoastr\u0103 a\u021bi c\u00e2\u0219tigat peste 60.000 de lire sterline.<\/li><\/ul>&nbsp;If you&#8217;re not sure whether you need to file,&nbsp;<a href=\"https:\/\/www.gov.uk\/self-assessment-tax-returns\" target=\"_blank\" rel=\"noopener\">HMRC&#8217;s official Self Assessment guidance<\/a>&nbsp;has a simple checker &#8211; or you can ask Taxes4u and we&#8217;ll confirm for you.<p><\/p>\t\n\t<h2>\n\t\t\t\tTermene cheie pentru anul fiscal 2025\/26\n\t\t\t<\/h2>\n\t\t\t<p>&nbsp;Ratarea unui termen limit\u0103 duce la penalit\u0103\u021bi automate, deci aceste date merit\u0103 salvate:<\/p><ul><li>5 October 2026&nbsp;&#8211; Register for Self Assessment if you&#8217;re filing for the first time. You must register by this date to receive your Unique Taxpayer Reference (UTR) number in time to file.<\/li><li>31 October 2026&nbsp;&#8211; Deadline for filing a&nbsp;paper&nbsp;Self Assessment return for 2025\/26.<\/li><li>31 January 2027&nbsp;&#8211; Deadline for filing&nbsp;online&nbsp;and for paying any tax owed. This is the most important date for the majority of taxpayers.<\/li><li>31 July 2027&nbsp;&#8211; Second payment on account (advance payment towards next year&#8217;s tax bill), if applicable.<\/li><\/ul>&nbsp;The January 31 deadline is the one most people miss. Filing even one day late triggers an automatic \u00a3100 penalty &#8211; and charges continue to build the longer the return remains unfiled. If you&#8217;ve already missed a deadline, take a look at our guide on <a href=\"https:\/\/www.taxes4u.co.uk\/ro\/blog-late-tax-return-penalties-and-appeals\/\">penaliz\u0103ri pentru declararea \u00eent\u00e2rziat\u0103 a impozitelor \u0219i cum s\u0103 le contesta\u021bi<\/a>.<p><\/p>\t\n\t<h2>\n\t\t\t\tCe venituri s\u0103 incluzi \u00een declara\u021bia ta fiscal\u0103 personal\u0103\n\t\t\t<\/h2>\n\t\t\t<p>&nbsp;Your Self Assessment tax return must include&nbsp;all&nbsp;taxable income you received during the tax year (6 April 2025 to 5 April 2026). This includes:<\/p><ul><li>Self-employment income&nbsp;&#8211; everything you earned from your business or freelance work, before expenses<\/li><li>Employment income&nbsp;&#8211; even if you also have a PAYE job, you must declare this alongside your self-employment income<\/li><li>Rental income&nbsp;&#8211; income from letting out property, including rooms in your own home above the Rent a Room Scheme limit<\/li><li>Savings interest and dividends&nbsp;&#8211; if these exceed your tax-free allowances<\/li><li>Foreign income&nbsp;&#8211; income earned abroad, including pensions from overseas<\/li><li>Capital gains&nbsp;&#8211; profit from selling assets such as property, shares, or a business<\/li><\/ul>&nbsp;You do not need to include income that falls within your tax-free allowances. The Personal Allowance for 2025\/26 is \u00a312,570 &#8211; income below this threshold is not taxed.<p><\/p>\t\n\t<h2>\n\t\t\t\tCheltuieli deductibile pe care le pute\u021bi revendica\n\t\t\t<\/h2>\n\t\t\t<p>&nbsp;If you&#8217;re self-employed, you can deduct&nbsp;allowable business expenses&nbsp;from your income before calculating how much tax you owe. This reduces your tax bill &#8211; so it&#8217;s worth knowing what qualifies.&nbsp;Common allowable expenses for sole traders include:<\/p><ul><li>Costuri de birou (papet\u0103rie, po\u0219t\u0103, cerneal\u0103 imprimant\u0103)<\/li><li>Travel costs for business (fuel, train tickets, parking &#8211; not commuting)<\/li><li>\u00cembr\u0103c\u0103minte necesar\u0103 exclusiv pentru munc\u0103 (uniforme, echipament de protec\u021bie)<\/li><li>Costuri cu personalul (salarii, onorarii subcontractori, contribu\u021bii sociale ale angajatorului)<\/li><li>Lucruri pe care le cumperi pentru a le vinde (stoc, materii prime)<\/li><li>Costuri financiare (taxe bancare, asigur\u0103ri, onorarii contabile)<\/li><li>Use of home as office &#8211; a proportion of your bills if you work from home<\/li><li>Marketing \u0219i publicitate<\/li><li>Formare direct legat\u0103 de afacerea dumneavoastr\u0103<\/li><\/ul>&nbsp;You cannot claim personal expenses &#8211; only costs that relate directly to running your business. If something is used partly for business and partly personally (such as a mobile phone), you can claim the business proportion only.<p><\/p>\t\n\t<h2>\n\t\t\t\tCum s\u0103 evi\u021bi penaliz\u0103rile pentru depunerea cu \u00eent\u00e2rziere\n\t\t\t<\/h2>\n\t\t\t<p>&nbsp;HMRC aplic\u0103 penalit\u0103\u021bi automat atunci c\u00e2nd declara\u021biile sunt depuse cu \u00eent\u00e2rziere. Structura penalit\u0103\u021bilor este:<\/p><ul><li>1 day late:&nbsp;Automatic \u00a3100 penalty &#8211; even if you owe no tax<\/li><li>3 months late:&nbsp;\u00a310 per day for up to 90 days (maximum \u00a3900)<\/li><li>6 months late:&nbsp;An additional penalty of 5% of the tax due, or \u00a3300 &#8211; whichever is greater<\/li><li>12 months late:&nbsp;A further 5% or \u00a3300 penalty on top<\/li><\/ul>&nbsp;The simplest way to avoid penalties is to file on time. If you do receive a penalty and you have a genuine reason for filing late &#8211; such as a serious illness, bereavement, or a problem with HMRC&#8217;s own systems &#8211; you may be able to appeal. Our&nbsp;<a href=\"https:\/\/www.taxes4u.co.uk\/ro\/services-penalties-and-appeals-for-late-tax-return-submissions\/\">Serviciul de penalit\u0103\u021bi \u0219i apeluri<\/a>&nbsp;can help you challenge a penalty decision.&nbsp;Even if you can&#8217;t pay the tax owed by the deadline, you should still file your return on time to avoid the late filing penalty on top of any interest on unpaid tax.<p><\/p>\t\n\t<h2>\n\t\t\t\tCum depune Taxes4u declara\u021bia fiscal\u0103 pentru auto-evaluare\n\t\t\t<\/h2>\n\t\t\t<p>&nbsp;Filing a Self Assessment tax return involves more than just filling in numbers. You need to know which income to declare, which expenses are allowable, how to handle payments on account, and how to avoid common errors that trigger HMRC enquiries.&nbsp;Taxes4u handles Self Assessment returns for sole traders, freelancers, landlords, and employees with additional income across the UK. We work in English, Russian, and Lithuanian &#8211; so if navigating HMRC paperwork in a second language has been holding you back, we can help.&nbsp;Our process is straightforward:<\/p><ol><li>Ne trimite\u021bi \u00eenregistr\u0103rile dvs. de venituri \u0219i cheltuieli pentru anul fiscal<\/li><li>Preg\u0103tim declara\u021bia dumneavoastr\u0103 fiscal\u0103, identific\u0103m toate deducerile permise \u0219i calcul\u0103m obliga\u021bia fiscal\u0103.<\/li><li>V\u0103 trimitem declara\u021bia completat\u0103 pentru verificare \u00eenainte de a o trimite c\u0103tre HMRC<\/li><li>Once you confirm, we file it &#8211; accurately and on time<\/li><\/ol>&nbsp;Afl\u0103 mai multe despre noi&nbsp;<a href=\"https:\/\/www.taxes4u.co.uk\/ro\/services-self-assessment-tax-return-refund\/\">Serviciu de declara\u021bie fiscal\u0103 auto-evaluat\u0103<\/a>, inclusiv pre\u021burile noastre.<h3>&nbsp;<\/h3><h3>Ai nevoie de ajutor cu auto-evaluarea ta?<\/h3>&nbsp;Taxes4u v\u0103 depune declara\u021bia cu acurate\u021be \u0219i la timp, pentru comercian\u021bi individuali, freelanceri \u0219i proprietari din Marea Britanie. Oferim asisten\u021b\u0103 \u00een limbile englez\u0103, rus\u0103 \u0219i lituanian\u0103.&nbsp;<a href=\"https:\/\/www.taxes4u.co.uk\/ro\/contact\/\">Contacta\u021bi-ne ast\u0103zi pentru o consulta\u021bie gratuit\u0103<\/a>&nbsp;&#8211; we&#8217;re here to help.<p><\/p>\t\n\t\t\t<a href=\"http:\/\/www.taxes4u.co.uk\/ro\/contact\/\" title=\"Contacta\u021bi exper\u021bii no\u0219tri acum!\" target=\"_self\" role=\"button\" aria-label=\"Contacta\u021bi exper\u021bii no\u0219tri acum!\">\n\t\t\t\t\t\t\tContacta\u021bi exper\u021bii no\u0219tri acum!\n\t\t<\/a>\n\t<h4>\n\t\t\t\tAlte post\u0103ri pe blog care v-ar putea interesa\n\t\t\t<\/h4>\n\t\t\t<ul><li><a href=\"https:\/\/www.taxes4u.co.uk\/ro\/blog-mtd-late-quarterly-submission-penalty-uk\/\">Penalitate MTD pentru raport tardiv: a\u0163i ratat actualizarea trimestrial\u0103?<\/a><\/li><li><a href=\"https:\/\/www.taxes4u.co.uk\/ro\/blog-the-early-birds-guide-to-maximising-your-uk-tax-return-for-2024-2025\/\">Ghidul Early Bird pentru optimizarea declara\u021biei fiscale din Regatul Unit pentru 2024\/2025<\/a><\/li><li><a href=\"http:\/\/www.taxes4u.co.uk\/ro\/blog-timelines-guidelines-and-recommendations-for-the-uk-tax-return-submission\/\">Termene, orient\u0103ri \u0219i recomand\u0103ri pentru depunerea declara\u021biei fiscale \u00een Marea Britanie<\/a><\/li><li><a href=\"http:\/\/www.taxes4u.co.uk\/ro\/blog-late-tax-return-penalties-and-appeals\/\">Penalit\u0103\u021bi \u0219i recursuri pentru declara\u021biile fiscale \u00eent\u00e2rziate - Ce sunt \u0219i cum s\u0103 le gestiona\u021bi?<\/a><\/li><li><a href=\"http:\/\/www.taxes4u.co.uk\/ro\/blog-how-to-register-as-self-employed-in-the-uk-a-step-by-step-guide\/\">Cum s\u0103 v\u0103 \u00cenregistra\u021bi ca Lucr\u0103tor Independent \u00een Marea Britanie: Un Ghid Pas cu Pas<\/a><\/li><li><a href=\"https:\/\/www.taxes4u.co.uk\/ro\/blog-ultimate-guide-to-self-employed-mortgages-in-the-uk-navigating-tax-returns-sa302-and-more\/\">Ghidul suprem pentru creditele ipotecare pentru lucr\u0103torii independen\u021bi din Marea Britanie: Cum s\u0103 naviga\u021bi printre declara\u021biile fiscale, SA302 \u0219i multe altele<\/a><\/li><li><a href=\"http:\/\/www.taxes4u.co.uk\/ro\/blog-cis-registration-uk-everything-you-need-to-know-about\/\">\u00cenregistrare CIS UK: Tot ce Trebuie s\u0103 \u0218ti\u021bi Despre<\/a><\/li><li><a href=\"https:\/\/www.taxes4u.co.uk\/ro\/blog-utr-registration-and-cancellation-what-you-need-to-know\/\">\u00cenregistrare \u015fi anulare UTR: ce trebuie s\u0103 \u015fti\u0163i<\/a><\/li><\/ul>\t\n\t<h5>\n\t\t\t\tEstimare Gratuit\u0103\n\t\t\t<\/h5>\n\t<h2>\n\t\t\t\tSolicita\u021bi o Ofert\u0103\n\t\t\t<\/h2>\n\t\t\t<p>Vre\u021bi s\u0103 discuta\u021bi despre serviciile de contabilitate pentru dvs. \u0219i afacerea dvs.? Contacta\u021bi-ne pentru o ofert\u0103 gratuit\u0103 \u0219i f\u0103r\u0103 obliga\u021bii.<\/p>\t\n\t\t\t<a href=\"http:\/\/www.taxes4u.co.uk\/ro\/contact\/\" title=\"Ob\u021bine\u021bi o Ofert\u0103\" target=\"_self\" role=\"button\" aria-label=\"Ob\u021bine\u021bi o Ofert\u0103\">\n\t\t\t\t\t\t\tOb\u021bine\u021bi o Ofert\u0103\n\t\t<\/a>","protected":false},"excerpt":{"rendered":"<p>Blog Self Assessment Tax Return UK 2025\/26: What You Need to Know and How to File Do You Need to File a Self Assessment Tax Return? &nbsp;If you&#8217;re self-employed, a sole trader, a landlord, or earning income outside of PAYE, you need to file a&nbsp;self assessment tax return UK 2025\/26 with HMRC. For many people, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"unboxed","site-sidebar-style":"unboxed","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"enabled","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-2203","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Self Assessment Tax Return UK 2025\/26 | Taxes4u<\/title>\n<meta name=\"description\" content=\"Need help with your self assessment tax return? 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