TAX YEAR CALENDAR

Tax year calendar for 2024/25

April 6, 2024: First day of the new tax year 2024/25.

April 5, 2025: Last day of the tax year 2024/25.

May 3, 2025: Deadline for issuing P60 documents for the 2024/25 tax year to employees.

July 6, 2025: P11D documents for the 2024/25 tax year issued to employees who received additional benefits, such as a company car or private health insurance.

5 October 2025: The last day to register for Self-Assessment if you started self-employment or, for any other reason (e.g. profit from capital gains, income from property rental, etc.), are required to file a tax return for income earned during the 2024–25 tax year.

31 October 2025: The final deadline for submitting your Self-Assessment tax return for the 2024–25 tax year in paper form.

31 January 2026: The final deadline for filing your online Tax Return for the 2024–25 tax year. An automatic £100 penalty will be charged to those who miss the deadline.

31 January 2026: The final deadline for paying any tax due for the 2024–25 tax year. Interest will be charged on unpaid tax at a rate of 4% above the Bank of England base rate. A separate late payment penalty of 5% will also be applied to any outstanding tax after 30, 60, and 365 days past the due date.

 

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Ask us for advice if you have doubts which alternative is best for you!

 

Excellent rating
Based on 25 reviews
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if you looking for accountant who actually cares.look no further is fantastic.stars isn't enough 👍
Rob Medyk profile picture
Rob Medyk
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Solidna firma. Szybko i sprawnie.
Karolina Maciejewska profile picture
Karolina Maciejewska
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I have been using Iwona accountancy services for several years and I have always received a fantastic service. Iwona keeps me updated on every step of the process and make my life easier every tax year. Thank you
monika hajkova profile picture
monika hajkova
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Korzystam z usług Pani Iwony od dłuższego czasu i nigdy nie było żadnych problemów. Wszystko zawsze rozliczone terminowo, bardzo dobry kontakt i profesjonalne podejście do klienta. Zdecydowanie polecam.
Lukasz Chyla profile picture
Lukasz Chyla
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To Biuro Rachunkowe jest bardzo profesjonalne. Sprawy załatwione szybko i rzetelnie. Panie które tam pracują są zawsze pomocne i miłe. Bardzo jestem zadowolony ze współpracy. Polecam.
Mariusz O profile picture
Mariusz O
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Always great and professional service. I've been using their accounting services for the past few years and I highly recommend them.
AJ AJ profile picture
AJ AJ
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I can't recommend enough Iwona accountancy services. I had an issue with HMRC, and thanks to Iwona and her team it was a lot less stressful. Their knowledge and how to proceed on every step in the process was remarkable. i can't thank them enough how they dealt with the situation, and keeping me informed all the time Very friendly and helpful. For me, this team is a 10 out of 10.
Victor Solsona profile picture
Victor Solsona
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The team was professional, responsive, and quickly resolved my tax-related issues with HMRC. They made the whole process smooth and stress-free.
Maciej Szczęch profile picture
Maciej Szczęch
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Super biuro, polecam wszystkim! Mily i przyjemny kontakt, szybkosc dzialania, pomoc na kazdej plaszczyznie, naprawde TOP obsluga. Wszystko co chcialem zalatwilem bez najmniejszych problemow. Panie pomogly mi ogarnac cos czego sie nie spodziewalem, ze nawet mozna tak zrobic, takze 10/10
Filip Powierza profile picture
Filip Powierza

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