HMRC is challenging your Business Asset Disposal Relief claim. The cash is spent and the CGT bill has just jumped from 10% to 24%. Here is how BADR appeals work, the six battlegrounds where HMRC pushes, and what to do in the 30 days you have.
HMRC has refused or clawed back your R&D tax relief and the consultancy has gone quiet. How the Schedule 18 FA 1998 appeal route works, and what reasonable care looks like when you relied on outside advice.
A Schedule 36 notice compels documents and triggers escalating penalties. Here's what you can appeal, what you can refuse, and how to respond in time.
Football referees, a £583,874 tax bill, seven years of appeals, and PGMOL's win at the May 2026 FTT remittal. PGMOL is the Supreme Court's modern restatement of the employment status test—every IR35 case since September 2024 is decided in its shadow.
How to appeal an HMRC IR35 or off-payroll working decision—which regime applies, who has appeal rights, the Ready Mixed Concrete test after PGMOL, and the mechanics of getting to the tribunal.
Stamp duty land tax has its own compliance and appeal regime—separate from income tax. This guide covers the most common SDLT disputes, how to correct returns, challenge HMRC decisions, and appeal penalties.
VAT penalties work differently from income tax—including a pay-first rule that can block your appeal. This guide covers default surcharges, the new penalty regime, best judgment assessments, the Steptoe defence, and how to apply for hardship.
Filing a tax appeal does not automatically postpone payment—HMRC can still enforce the full amount. Here's how to apply for postponement under section 55, the 30-day deadline, and what happens to interest and penalties while you wait.
HMRC can assess additional tax years after you filed your return—but only if strict conditions are met. Here's what a discovery assessment is, when HMRC can and cannot make one, and the five grounds you can use to challenge it.
HMRC missed deadline after deadline and offered no explanation. The Supreme Court upheld the tribunal's power to bar them from the proceedings entirely. Here's what BPP Holdings means for your case—and the same rules that apply to you.
You can challenge a First-tier Tribunal decision at the Upper Tribunal—but only on a point of law, and the costs rules change fundamentally. If you lose, you will most likely pay HMRC's legal costs. Here's the full process, with every deadline and form you need.
If you received a tax tribunal decision without full reasons, you have just 14 days to request them—down from 28 days since March 2026. Here's how to protect your right to appeal.
Guides
In most FTT cases each side pays its own costs. But when one side has been unreasonable, the tribunal can shift them. Here's how the test works, what the case law says, and how to make or defend a costs application.
Guides
HMRC charges interest at 7.75% on unpaid tax—running from the original due date, not from when you found out. Here's how the calculation works, why it differs from penalties, and what you can do about it.
Guides
From January 2023 for VAT and April 2026 for income tax, HMRC uses a new penalty system: points for late filing, percentage-based charges for late payment. Here's how it works, what the tribunal has already decided, and what you can do about it.
Cases
Every late tax appeal is judged against the Martland three-stage test. Here's the full story—and what it means if you've missed your deadline.
Cases
HMRC says your excuse isn't good enough. The Upper Tribunal set out a four-step test that changed the game—and warned HMRC their narrow approach could cost them. Here's what the landmark Perrin decision means for your penalty appeal.
Cases
HMRC says you were 'deliberate.' The Supreme Court set a high bar for that word—intent to mislead, akin to fraud. Here's what the landmark Tooth decision means for your case.
Guides
Your grounds of appeal are the most important thing you write. Here's what effective grounds look like—telling the tribunal what HMRC got wrong, why it matters, and what you want instead.
Guides
SA penalties can reach £1,600 even if you owe no tax. Here's how they stack up, how to check HMRC's calculation, and your options for challenging them.
Guides
HMRC says you owe thousands for a tax charge you've never heard of. Here's what HICBC is, how it's calculated, and what you can do about it.
Guides
HMRC has opened an enquiry into your tax return. This guide explains what happens during an enquiry, your rights, how it ends with a closure notice, and what to do next.
Guides
The tribunal has issued its decision. Here's what it means, what happens to your tax bill, and your options if you want to challenge the outcome—including the costs risk of going further.
Guides
Your hearing date is set. Here's how to prepare your evidence, build your bundle, and present your case—whether it's on paper, by video, or in person.