When is the Self Assessment tax return deadline for 2024/25?

The deadline for filing your 2024/25 Self Assessment online tax return with HMRC is 31 January 2026. The balancing payment for 2024/25 and the first payment on account for 2025/26 are also due on 31 January 2026.

When is the VAT return deadline for the period ending 30 November 2025?

The VAT return submission and payment deadline for the period ending 30 November 2025 is 7 January 2026.

When is the CIS return deadline for January 2026?

The CIS return for payments made to subcontractors in the month to 5 January 2026 must be filed by 19 January 2026. PAYE, NIC and CIS online payments for the same period are due by 22 January 2026.

When is the PAYE and NIC payment deadline for January 2026?

PAYE, NIC and CIS payments by post for the month and quarter ending 5 January 2026 are due by 19 January 2026. Online payments for the same period are due by 22 January 2026.

When is the Corporation Tax return deadline?

Corporation Tax returns (CT600) are due 12 months after the end of the accounting period. Companies with a year end of 31 January 2025 must file their return by 31 January 2026.

What is the Non-Resident Landlord Scheme (NRLS) payment deadline?

The Non-Resident Landlord Scheme (NRLS) payment of tax for the quarter ended 31 December 2025 is due by 30 January 2026.

Can SRZ Accountancy help me meet my HMRC deadlines?

Yes. SRZ Accountancy prepares and submits all HMRC filings on your behalf, including VAT returns, Self Assessment, payroll (RTI), CIS returns, and Corporation Tax — ensuring everything is filed accurately and on time. Book a free consultation to find out how we can help.

UK compliance overview

Important Compliance Dates

A practical overview of key UK filing and payment deadlines. If you are unsure which deadlines apply to your business, book a free consultation or message us on WhatsApp for guidance.

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Key dates and deadlines

Deadlines vary by scheme and accounting period. If you are uncertain, contact us to confirm what applies to you.

Set reminders early Avoid late-filing stress

07 January 2026

VAT

Period end Month-end or quarter: 30 November 2025

VAT return submission and payment online

14 January 2026

CT61

Quarter end 31 December 2025

CT61 return and payment for quarter ended 31 December 2025

19 January 2026

CIS / PAYE

Month end Payments to subcontractors to 5 January 2026

CIS return: payments made to subcontractors in the month to 5 January 2026
PAYE, NIC and CIS payment by post — quarter-end 5 January 2026
PAYE, NIC and CIS payment by post — month-end 5 January 2026

22 January 2026

PAYE / NIC / CIS

Month & Quarter end 5 January 2026

PAYE, NIC and CIS payment online — quarter-end 5 January 2026
PAYE, NIC and CIS payment online — month-end 5 January 2026

30 January 2026

NRLS

Quarter end 31 December 2025

Non-resident landlord scheme: payment of tax for the quarter ended 31 December 2025

31 January 2026

Self Assessment & More

Self Assessment: first 2025/26 payment on account
Self Assessment: 2024/25 balancing payment
Self Assessment: amendments to 2023/24 tax returns
Self Assessment: 2024/25 online tax returns
Corporation Tax returns: 31 January 2025 year ends
Plastic Packaging Tax: return and payment quarter-end 31 December
EFRBS: report schemes starting in 2024/25
IR35: amend/correct 2024/25 deemed payment on employer return and pay balance of PAYE/NIC
National Insurance: Form CA72A deferral for the self-employed
Self Assessment: file outstanding 2021/22 returns to displace a determination

Unsure which deadlines apply to you?

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