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Getting your year in order early saves stress, cash, and time. This guide from YRF Accountants highlights the key dates for the 2025/26 UK tax year and what sole traders, landlords, and limited companies in Bolton and Manchester should prepare for at each step.
Quick Overview: Key 2025/26 Deadlines
April 2025
- 6 Apr – New tax year begins (2025/26). Update payroll, codes, and software.
- 19 Apr – Final 2024/25 FPS due.
- 30 Apr – Late-filing penalties start for 2024/25 Self-Assessment.
May 2025
- 31 May – Employers issue P60s to all staff.
July 2025
- 6 Jul – P11D forms due (benefits/expenses).
- 19 Jul – Class 1A NICs due (post).
- 22 Jul – Class 1A NICs due (online).
- 31 Jul – Second Payment on Account for 2024/25.
September 2025
- Mid-Sept – ONS wage data published (relevant for state pension calculations).
October 2025
- 5 Oct – Register for Self-Assessment if filing for the first time.
- 31 Oct – Paper Self-Assessment deadline.
December 2025
- 30 Dec – File online if you want HMRC to collect underpaid tax via PAYE.
January 2026
- File 2024/25 online Self-Assessment
- Pay any 2024/25 balancing payment
- Make your first 2025/26 Payment on Account
March 2026
- Late-March – Spring Budget (watch for changes affecting allowances and reliefs).
April 2026
- 5 Apr – 2025/26 tax year ends.
- 6 Apr – 2026/27 tax year starts.
VAT & PAYE reminders:
- VAT return/payment: due 1 month + 7 days after each VAT period ends.
- PAYE: pay by the 19th (post) or 22nd (electronic) each month.
What These Dates Mean for You (and How to Stay Ahead)
1) Self-Assessment: Avoid January panic
- Register by 5 Oct 2025 if you're new.
- Prefer paper? 31 Oct 2025. Online? 31 Jan 2026.
- Want PAYE to collect underpayments? File by 30 Dec 2025.
- Keep digital records of income, expenses, and mileage; reconcile monthly to prevent errors.
2) Payroll: keep RTI, P60s, and benefits tidy
- Submit your final FPS by 19 Apr 2025.
- Issue P60s by 31 May 2025.
- File P11Ds by 6 Jul 2025 and pay Class 1A NICs by 19/22 Jul.
- Run a quarterly payroll audit (rates, codes, benefits in kind) to cut the risk of penalties.
3) Payments on Account: no surprises
- If you're in SA, set aside for 31 Jul 2025 and 31 Jan 2026.
- Use a rolling 12-month cash-flow forecast so July and January don't bite.
4) VAT: MTD-compliant and on time
- File and pay 1 month + 7 days after period end.
- Automate invoice capture and bank feeds; reconcile weekly to prevent late fees.
5) Corporation Tax: plan nine months ahead
- CT payment due 9 months + 1 day after year-end (e.g., 31 Dec YE ? 1 Oct).
- Review provisions and capital allowances two months before year-end to optimise your bill.
Pre-Year-End Actions That Save Tax
- Use allowances fully: ISAs, pension contributions, and timing of capital expenditure.
- Claim what yours: R&D relief (where eligible), home-working and mileage, and pre-trading costs.
- Keep CGT in view: Plan timing and reliefs ahead if disposing of assets or property.
- Tidy dividends & directors' loan accounts: Avoid last-minute rework and unexpected charges.
Property sales? Report and pay CGT on UK residential disposals within 60 days of completion.
Local Focus: Bolton & Manchester Startups and SMEs
We work daily with tech, construction, creatives, healthcare and retail clients across Greater Manchester and Bolton. Typical wins include:
- Cleaning up bookkeeping to produce real-time reporting for funders and lenders.
- Forecasting that highlights cash gaps early (so finance can be arranged on your terms).
- Payroll and benefits reviews that reduce compliance risk.
- VAT scheme checks (e.g., cash vs. standard) to improve cash flow.
How YRF Accountants Can Help
- Self-Assessment & Personal Tax – Registration, filings, payments on account, HMRC queries.
- Limited Company Support – Year-end accounts, Corporation Tax, directors' planning.
- Payroll & P11D – RTI submissions, payslips, benefits, and Class 1A NICs.
- VAT Compliance – MTD setup, quarterly filings, scheme selection.
- Cash-Flow & Forecasting – Budgets, scenario modelling, lender-ready packs.
We also provide business advisory services that turn numbers into decisions—pricing, margins, funding options, and growth planning.
If you need support across personal and corporate taxation, compliance, and planning, our team will map deadlines to your exact situation and handle filings end-to-end.