+44 (0) 1908 774320
   
Roger Eddowes

Essendon Accounts & Tax

Home of the Business Godparent ...

Key changes to Income Tax administration, payments and penalties

Roger Eddowes

CREATED BY ROGER EDDOWES

Published: 11/12/2025 @ 09:00AM

#IncomeTax #MTD #SelfAssessment #HMRC #TaxReformsUK #UKTax

Here's a quick take on Income Tax administration. New penalty rules, payment tweaks and MTD deferrals are coming. It's practical to plan now and avoid surprises ...

Income tax administration, A dreaded task each year, But necessary for society's function

Income tax administration, A dreaded task each year, But necessary for society's function

With Making Tax Digital expanding, a soft landing has been announced for those joining in April 2026, meaning no penalty points for late submission of the first four quarterly updates, though the updates still need filing before a return can be submitted.

There is no let-up on the end-of-year deadline, so a late 2026/27 return will still attract a penalty point, and all taxpayers get an extra 15 days before a late payment penalty is issued in their first year under the new system.

This is a small but welcome nudge to improve
tax payments discipline!

The penalty regime itself is being widened, with HMRC penalties for late submission and late payment rolling out to all self-assessment taxpayers from the 6th of April 2027, reducing the two-tier feel between MTD users and those still on traditional ITSA.

However, from the 1st of April 2027, the government plans to increase penalties for late payment under both Income Tax and VAT, with full details to follow. This signals a firmer emphasis on timely settlement and places a premium on cash flow planning, particularly for those managing variable profits or multiple income streams.

There are some important deferrals and exemptions though:

  • individuals with trust and estate income,
  • those using averaging adjustments,
  • those eligible for qualifying care relief,
  • those completing SA109 for residence or remittance basis matters,
  • and non-UK resident foreign entertainers or sportspeople.

These will all remain in ITSA until April 2027.

In addition, taxpayers under a Court of Protection deputyship are granted a permanent exemption, recognising the practical realities behind complex affairs and supporting sensible Income Tax changes.

A notable shift is coming for how liabilities are settled, where a taxpayer also has PAYE income. From April 2029, more self-assessment liabilities will be collected in-year via PAYE, with the government signalling a revenue spike due to overlap with payments on account.

A consultation in early 2026 will explore delivery and extend to timelier payment for taxpayers with only self-assessment income, which means more frequent, predictable payments (integrated within payroll where possible) and fewer surprises at year-end.

Ultimately, good planning means successful navigation
of these Income Tax changes!

With clearer rules, unified penalties, and a greater emphasis on timeliness, Income Tax administration is evolving into a system that rewards preparation and penalises drift, making deliberate planning the most efficient route to peace of mind.

Those who build reliable quarterly disciplines, keep liquidity buffers for unexpected swings, and engage early with digital tools will find the transition less disruptive.

Until next time ...


ROGER EDDOWES
Join our mailing list! Click here and be one of the first to know when we publish a new blog post!


Would you like to know more?

If anything I've written in my blog post resonates with you and you'd like to discover more of my thoughts about these changes to Income Tax, then do call me on 01908 774320 and let's see how I can help you.

Don't forget to stay updated with our daily social media posts on Facebook.

Share the blog love ...

Share this to FacebookBuffer
Share this to FacebookFacebook
Share this to TwitterTwitter
Share this to Linkedin (popup window)Linkedin
Share this to Pinterest (popup window)Pinterest
Share this to WhatsApp (popup window)WhatsApp

#IncomeTax #MTD #SelfAssessment #HMRC #TaxReformsUK #UKTax

About Roger Eddowes ...

Roger Eddowes 

Roger trained at Edward Thomas Peirson & Sons in Market Harborough before working at Hartwell & Co, followed by Chancery, as a partner. He started Essendon Accounts and Tax with Helen Beaumont in 2014 as a general practitioner with a hands-on approach.

Roger loves getting his hands dirty, working with emerging, small-to-medium and family businesses to ensure they receive the best possible accountancy advice. Roger utilises an extensive network of business contacts to leverage the best guidance and practical solutions.

More blog posts for you to enjoy ...

Click here to view this blog post


UK business growth needs certainty, not just good intentions

There has been plenty of discussion about UK business growth recently, and the Chancellor has now given us some indication of the direction the Government intends to take in the October Budget ......

Click here to view this blog post


Why the cost of doing business is holding back growth

Growth is talked about constantly, but I think we sometimes overlook something rather obvious. Businesses need the confidence and financial headroom to invest before meaningful growth can happen. Right now, the cost of doing ...

Click here to view this blog post


The soft skills employers look for are becoming more important

Qualifications and technical experience will always matter when businesses recruit new people. However, recent research highlighted by the BBC suggests that the soft skills employers seek are becoming increasingly important t...

Click here to view this blog post


Five practical ways to boost UK economic growth

There is no shortage of political discussion about UK economic growth, but the more important question is what must change to achieve it. Governments can publish strategies and promise reform, but sustainable growth depends o...

Click here to view this blog post


Companies House accounts filing changes: Why 2028 is closer than you think

The Companies House accounts filing changes coming into force from April 2028 may sound comfortably distant, but I think businesses would be wise to start understanding them now. The reforms will change both how company accou...

Click here to view this blog post


Practical mental health tips for business leaders

Running a business can be rewarding, but it can also put considerable pressure on the person in charge. These mental health tips for business leaders can help owners and managers protect their well-being while continuing to m...

Click here to view this blog post


Could AI finally solve the UK productivity problem?

For years, UK productivity has been something of an economic headache. Before the financial crisis in 2008, productivity was growing at a much healthier rate, but progress since then has been disappointingly slow ......

Click here to view this blog post


New King Charles 10p coin enters circulation as Britain uses less cash

There is something rather fascinating about the arrival of the new King Charles 10p coin. More than seven million are being released into circulation, meaning they should soon start appearing in our change ......

Other bloggers you may like ...

Click here to view this blog post


Why adult children worry about parents who live alone

Posted by Steffi Lewis on https://www.yourping.uk

When parents reach a stage where they're happily living on their own, it can be a source of pride for the whole family. They're independent, capable, ...

Click here to view this blog post


Long-stay accommodation in Milton Keynes: Make yourself comfortable

Posted by Emily Freeman on https://blog.shortstay-mk.co.uk

If you are staying away from home for a night or two, a hotel room can be perfectly adequate. But when a trip stretches into a week, several weeks, or ...

Click here to view this blog post


How to prepare for a career change after burnout

Posted by Dave Cordle on https://blog.davecordle.co.uk

Burnout doesn't always mean you need to change careers. Sometimes reducing your workload, setting clearer boundaries, or even changing how you work ca ...

Click here to view this blog post


Van life and the safety net you didnt know you needed

Posted by Steffi Lewis on https://www.yourping.uk

There's something undeniably appealing about van life. Waking up beside a Scottish loch, parking up on the Cornish coast or finding a quiet woodland s ...

© 2026 by Roger Eddowes

All rights reserved



All content on this blog, including but not limited to text, images, videos and audio, is protected by copyright. No part of this blog may be reproduced, copied, distributed, or otherwise used without the prior written consent of the author. Unauthorised use constitutes a breach of intellectual property rights.

Please note that many elements of this blog have been created using Artificial Intelligence (AI). As such, content may not always reflect verified facts or professional advice. The information provided is for general interest only and should not be relied upon as a sole source for making decisions, financial or otherwise. Readers are strongly advised to seek independent advice from qualified professionals appropriate to their country and situation.

The author of this blog, YourPCM Limited, and its directors, employees, and authorised agents accept no liability for any loss, harm, or consequence arising from the use or interpretation of content found on this site.

The sblogit.com platform is provided on an “as is” basis. By continuing to view or interact with this blog, you acknowledge and accept these terms. If you do not agree with any part of this notice, please cease using this site immediately.

YourPCM Limited is a company registered in the UK and operates exclusively under the jurisdiction of the laws of England and Wales.