Why Filing Your 2024/25 Self‑Assessment Early Saves Time, Stress & Money – Tips From London Accountants
- bes Accountancy Services
- Jun 10
- 4 min read
Filing your 2024/25 self-assessment tax return may feel like a distant concern, especially with the January 2026 deadline months away. But submitting your return early is not just a good habit—it’s a strategic financial decision. At BES Accountancy Services, a leading London-based firm serving clients across the UK, we’re here to explain why now is the ideal time to file.
From faster tax refunds to stress-free planning and better cash flow, there are real, tangible benefits to early filing. Whether you're a sole trader, freelancer, limited company director or landlord, acting now gives you greater financial control and peace of mind.
Call us today: 07816264205
What is a Self-Assessment Tax Return?
A self-assessment tax return is the method through which individuals report income not taxed at source to HMRC. If you're self-employed, receive rental income, dividends, or other untaxed earnings, you're likely required to file. The process involves reporting all sources of income, claiming allowable expenses, and ensuring you meet your tax obligations accurately and on time.
The deadline for paper returns is 31 October 2025, and for online submissions, it is 31 January 2026. However, that doesn't mean you should wait until the last minute.
Five Reasons to File Your Self-Assessment Early
1. Faster Tax Refunds
One of the top advantages of early filing is that HMRC processes refunds much sooner outside the January rush. If you’ve overpaid tax or are due a refund through allowable expenses, you’ll receive your money faster—often within a few weeks.
With the summer season ahead, early refunds provide a financial cushion for business investments, family holidays, or managing seasonal cash flow fluctuations.
2. Avoid the Last-Minute Rush and Stress
Every January, thousands of individuals scramble to meet the self-assessment deadline. The result? Stress, longer waiting times, and increased risk of errors. By submitting your tax return early, you:
Allow yourself time to collect documents.
Can resolve any issues or discrepancies with HMRC.
Avoid penalties for late filing or inaccurate submissions.
At BES Accountancy, we work with clients across London and the UK to make the process seamless, so you can focus on what matters most.
3. Improved Cash Flow Planning
Filing early gives you clarity on how much tax you owe, allowing you to budget well in advance. This is particularly important for business owners, landlords, and self-employed professionals who must manage irregular income and expenses.
Knowing your tax liabilities now means:
No unexpected bills in January.
Better decisions around saving, reinvesting, or hiring.
The chance to spread payments more comfortably.
4. More Time for Tax Planning and Support
An early submission leaves room to consider tax reliefs, reduce liabilities, and plan your finances. From pension contributions to allowable expenses, a qualified self-assessment accountant in London can help you structure your finances efficiently.
BES Accountancy provides tailored tax planning for every type of taxpayer. We ensure your return is accurate, fully compliant, and maximises every tax benefit legally available.
5. Peace of Mind Over Summer
Wouldn’t it be a relief to head into summer knowing your tax is sorted? Early filing means no nagging tax worries during your holidays, business events, or family time.
Let BES Accountancy handle your return while you enjoy a stress-free summer.
Want to dive deeper into choosing the right accounting tools?
Read our related blog on Top Accounting Software for UK Businesses in 2025, where we compare platforms like Xero, QuickBooks, Sage, and more.
Who Needs to File a Self-Assessment Return?
You must file if you:
Are self-employed or a sole trader.
Receive income from property.
Earn more than £100,000 annually.
Are a company director (not paid via PAYE only).
Receive dividends, foreign income, or untaxed income.
Need to pay Capital Gains Tax.
If you’re unsure, our team can help you determine whether you’re required to file and guide you through registration with HMRC.
Related News:
We’re excited to announce a strategic partnership between BES Accountancy Services and MERX Marketing — bringing together financial expertise and cutting-edge marketing solutions to help businesses not only stay compliant and profitable but also grow their brand visibility and reach.
Common Mistakes to Avoid
Filing errors can result in HMRC fines, delays, and stress. Here are some of the most common mistakes we help clients avoid:
Using the wrong tax year figures.
Forgetting secondary income sources.
Missing allowable expenses.
Incorrect UTR numbers or NI details.
Submitting incomplete forms.
Our professional tax return filing services ensure these issues are spotted and resolved before submission.
Digital Filing: Efficient, Accurate, Secure
BES Accountancy leverages modern accounting software such as Xero and QuickBooks to simplify the filing process. Digital tax compliance is increasingly important with HMRC's Making Tax Digital (MTD) initiative.
With secure cloud-based systems, we help clients:
Maintain real-time dashboards.
Track income and expenses easily.
Submit tax returns accurately online.
Whether you're a tech-savvy business owner or prefer hands-off support, we tailor our approach to suit your workflow.
Your Early Filing Checklist
To get started, gather the following documents:
UTR number and National Insurance number.
Records of income from all sources (employment, self-employment, rental, etc.).
Bank interest, dividends, and investment income.
Invoices, receipts, and expense records.
P60s, P45s, or pension statements.
Contributions to pensions or charitable donations.
Login details for HMRC or authorisation for your accountant.
Need help compiling it? Book a call with BES Accountancy today.
Why Work with BES Accountancy?
Founded in 2020 and based in London, BES Accountancy Services supports clients across the UK with practical, personalised financial solutions. Our clients include young entrepreneurs, seasoned professionals, freelancers, property owners, and established SMEs.
Led by Besnik Vata, a certified bookkeeper with an AAT licence, our team of five offers:
Expert self-assessment tax help UK-wide.
Trusted tax advisor services for individuals and businesses.
Bookkeeping, payroll, VAT, and year-end account preparation.
Accurate, timely digital filing using Xero and QuickBooks.
We value Availability, Efficiency, and Trust. That’s why our clients return year after year.
Visit us for a free consultation at 75 Colney Hatch Lane, London, United Kingdom, N10 1LR or call us now on 07816264205.
Ready to File Early? Here’s What to Do
Book a free consultation with BES Accountancy to assess your tax position.
Gather your documents using our checklist above.
Let our expert accountants prepare and submit your return accurately and on time.
Relax and enjoy the benefits—peace of mind, early refunds, and no January stress.
Call us today on 07816264205
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