Why Filing Your Tax Return Early Could Be the Best Thing You Do This Year
- Helen Emsell-Needham
- Jul 6
- 4 min read
A friendly nudge before the January rush sets in.
Every year it's the same story. The 31 January deadline creeps up, the inbox fills with reminder emails, and suddenly everyone's scrambling to find bank statements from eleven months ago. Sound familiar?
Here's the thing - it doesn't have to be like this. You can file your Self-Assessment tax return any time after the tax year ends on 5 April, right up until the deadline on 31 January. And filing your tax return early comes with a genuinely long list of benefits that most people don't think about until it's too late.
So, let's talk about why getting ahead of it now, rather than in January, is one of the smartest (and least painful) things you can do for your business or personal finances.
The Benefits of Filing Early
Reduce stress. Life gets busy, and the filing deadline lands at the worst possible time at the end of January, after busy Decembers and Christmas holidays. Filing early gives you peace of mind and takes the last-minute pressure off the table entirely.
You don't have to pay early. This is the bit people often get wrong. Filing early doesn't mean paying early; you'll still have until 31 January to actually pay what you owe. What it does mean is you'll know the figure in advance, so you can budget and save properly instead of guessing or it being an unwelcome, last-minute surprise!
Get your refund sooner. If HMRC owes you money, submitting early means that refund can be processed sooner rather than sitting in a queue behind everyone who left it to the last minute.
Time to fix mistakes. Filing early gives you breathing room to check everything over and correct any errors well before the deadline, rather than under pressure on 31 January.
Proof of income when you need it. A processed tax return is often needed as proof of income for mortgage applications, loans, or benefit claims. Sorting it early means you're not caught out if you need that evidence unexpectedly.
Stay a step ahead of scammers. January is prime time for opportunistic fraudsters impersonating HMRC. Filing early reduces the window in which you might be targeted by a convincing-looking scam email or text.
Avoid the automatic penalty. Miss the 31 January deadline and HMRC applies an automatic £100 late filing penalty, even if you don't owe any tax at all. Filing early removes that risk completely.
Top Tips for Filing With Confidence
Get organised: pull together records of untaxed income, expenses, bank statements, interest statements, and anything else relevant to your return.
Plan around your calendar: if you know a particular month is going to be chaotic at work or at home, build your filing around that rather than against it.
Set up your HMRC online services account (sometimes called My Personal Tax Account) if you haven’t already: you can submit your return, make payments, and check your details all in one place.
Have your HMRC details to hand: your National Insurance number, your HMRC online services user ID and password, and your Unique Taxpayer Reference (UTR).
Check what reliefs you're entitled to: make sure you're claiming everything you're due, as this can genuinely reduce your bill. HMRC's own guidance is a good starting point.
Use the support that's out there: GOV.UK and HMRC's YouTube channel both offer solid step-by-step help if you're filing yourself.
Double check before you submit: give your return a proper once-over before hitting send. And if you do spot an error afterwards, don't panic; online returns can be amended, and HMRC will issue a revised calculation.
Don't Forget Payments on Account!
If you make payments on account, there's a second date worth having in your diary alongside 31 January: 31 July.
You'll usually need to make payments on account if your last Self-Assessment bill was more than £1,000, and less than 80% of your tax was already collected at source (for example, through PAYE). These payments are essentially advance instalments towards your next years’ tax bill, designed to spread the cost across the year rather than landing you with one large sum (and HMRC get their money quicker 🤔).
Typically, you'll make two payments on account, each worth half of your previous year's tax bill:
31 January – covers the balancing payment for the previous tax year, plus your first payment on account for the current year
31 July – your second payment on account
Here's where early filing pays off again. Submitting your return ahead of time helps you work out whether your payments on account need adjusting. If your income has dropped since last year, you may well be able to reduce them, easing the pressure on your cash flow rather than overpaying and waiting for it back.
The Bottom Line on Filing Your Tax Return Early
Filing early isn't about being a keen bean for the sake of it. It's about giving yourself time, avoiding unnecessary penalties, staying ahead of scammers, and having clarity on what you owe well before it's due. Whether you're a sole trader, a landlord, or a company director, getting your return sorted now means January becomes just another month, not a deadline to dread.
If you'd like a hand getting your records together, checking what reliefs you're entitled to, or working out whether your payments on account need adjusting, that's exactly what we're here for. Get in touch today for a free, no-obligation consultation
Zenith Digital Accountants Ltd | Chartered Certified Accountants & Chartered Tax Advisers
Your numbers. Elevated.
This article is for general information purposes only. Please consult a qualified accountant directly for advice tailored to your specific circumstances
Comments