Key takeaways
- If you ignore an HMRC letter, the problem does not go away: penalties, interest and enforcement action can follow, depending on what the letter is about.
- Ignoring an unpaid tax bill can lead to a debt collection agency, deductions from your wages or pension, seizure of goods, court action or bankruptcy.
- HMRC can take money directly from your bank account in England, Wales and Northern Ireland if you owe £1,000 or more.
- Ignoring a compliance check information notice can bring a £300 penalty, then daily penalties of up to £60 a day.
- A late Self Assessment return gets an initial £100 penalty, then £10 a day after 3 months, up to £900.
- You usually have 30 days from the date a penalty was issued to appeal it.
- HMRC late payment interest is 7.75% and rises to 8.00% from 24 November 2026.
If you ignore a letter from HMRC, the issue it raises keeps running: deadlines pass, penalties and interest build up, and for unpaid tax HMRC can move to debt collection, court action or bankruptcy. What happens depends on the type of letter. Replying early, even just to ask for more time, almost always costs less than saying nothing.
Does ignoring an HMRC letter make it go away?
No. HMRC’s deadlines and penalties apply whether or not you open the letter. HMRC says it will always try to contact you about a missed payment, by letter, text, or a visit to your home or work, before it takes stronger action.
Check first that the letter is genuine. Our guide to HMRC scam calls and texts explains how to tell.
What happens depends on the letter
Different letters carry different consequences if you do nothing. This table covers the most common.
| Letter type | If you ignore it | Main cost |
|---|---|---|
| Unpaid tax demand | Collection and enforcement | Interest, fees, court costs |
| Notice to file a return | Late filing penalties | £100 upwards |
| Information notice | Compliance penalties | £300, then up to £60 a day |
| Nudge letter | Possible compliance check | Tax, interest, penalties |
| Penalty notice | Appeal window closes | The penalty stands |
If you ignore a tax bill
HMRC escalates step by step. Its guidance on what will happen if you do not pay your tax bill, updated on 23 October 2026, sets out the powers it can use as a last resort.
- Contact. HMRC writes, texts or calls, and may offer a Time to Pay arrangement or adjust your tax code.
- Visit. A collector may visit your home or business to agree a settlement and take a card payment.
- Debt collection agency. HMRC can pass the debt to an agency regulated by the Financial Conduct Authority. Agencies contact you only by letter, text or phone, and never visit.
- Tax code. HMRC can collect through your PAYE tax code, taking up to 50% of your gross income.
- Taking goods. In England and Wales, HMRC issues a £75 notice of enforcement, then can take control of goods for a £235 fee plus 7.5% of the debt over £1,500.
- Bank account. In England, Wales and Northern Ireland, HMRC can take money directly if you owe £1,000 or more and have enough to cover the debt and your reasonable living costs.
- Court. HMRC can use the county court for charging orders, attachment of earnings orders or third party debt orders.
- Insolvency. As a final step, HMRC can make you bankrupt or wind up your company.
Scotland uses a summary warrant instead; a sheriff officer gives you 14 days to pay or agree a plan. Interest runs throughout. HMRC late payment interest is 7.75% and rises to 8.00% from 24 November 2026, according to its interest rates page updated on 6 November 2026. See HMRC late payment interest.
If you ignore a notice to file a tax return
A notice to file a Self Assessment return means you must file one, even if you think you owe nothing. GOV.UK sets out these late filing penalties.
| How late | Penalty |
|---|---|
| 1 day | £100 |
| 3 months | £10 a day, up to £900 |
| 6 months | 5% of tax due or £300, if more |
| 12 months | Another 5% or £300, if more |
Late payment adds 5% of the unpaid tax at 30 days, 6 months and 12 months. If you think you should not be in Self Assessment, ask HMRC to withdraw the notice rather than ignoring it. See Self Assessment late filing penalties.
If you ignore a compliance check
An information notice is a formal demand for documents during a compliance check. HMRC’s factsheet CC/FS2, updated on 8 December 2025, sets out three levels of penalty.
- a £300 penalty if you do not provide everything asked for by the deadline
- daily penalties of up to £60 a day if you still do not comply
- a further penalty based on the tax HMRC thinks you owe, which the tribunal must authorise
HMRC will not charge a penalty if you have a reasonable excuse, such as serious illness or losing documents in a fire or flood.
If you ignore a nudge letter
A nudge letter is HMRC asking you to check your tax affairs, often because it holds data from overseas banks or online platforms. Ignoring one can lead to a compliance check. Our guide to HMRC nudge letters covers how to respond.
If you ignore a penalty notice
You usually have 30 days from the date a penalty was issued to appeal, under GOV.UK’s penalty appeal guidance. After that, you must give a reason for the delay. Ignoring the notice means the penalty stands and HMRC will collect it like any other debt.
Which applies to you?
- If you cannot pay, call HMRC before the due date and ask about a payment plan; see Time to Pay.
- If you think the letter is wrong, reply in writing within the deadline and keep a copy.
- If your health or circumstances make it hard to deal with, ask for HMRC’s Extra Support team.
- If you have already ignored letters, contact HMRC now; enforcement is a last resort.
What to do now
- Open every HMRC letter and note the deadline in it.
- Check it is genuine before you reply or pay.
- Reply before the deadline, even if only to ask for more time.
- Get advice from an accountant or tax adviser for compliance checks and large debts.
Frequently asked questions
Can I go to prison for ignoring HMRC letters?
HMRC’s guidance on unpaid tax describes collection, court orders and insolvency, not prison. Deliberate tax fraud is a separate criminal matter.
Can HMRC take money from my bank account?
Yes, in England, Wales and Northern Ireland, if you owe £1,000 or more and have enough to cover the debt and your reasonable living costs. HMRC tells you before it acts.
Will HMRC send bailiffs?
HMRC can take control of goods in England and Wales after a £75 notice of enforcement. Debt collection agencies working for HMRC never visit your home.
How long do I have to reply to an HMRC letter?
The deadline is in the letter. Penalty appeals usually have 30 days from the date the penalty was issued.
What if I cannot pay what HMRC asks for?
Contact HMRC as soon as possible and ask for a Time to Pay arrangement. HMRC describes its enforcement powers as a last resort.
Sources
Rates, thresholds and rules in this guide were checked against HMRC and GOV.UK guidance on 6 November 2026. Tax rules change, so check the current position on GOV.UK or with a qualified adviser before acting. This guide is general information, not personal advice.
- What will happen if you do not pay your tax bill (HMRC, GOV.UK)
- If you cannot pay your tax bill on time: if you do not pay (GOV.UK)
- Information notices CC/FS2 (HMRC, GOV.UK)
- Self Assessment tax returns: penalties (GOV.UK)
- Disagree with a tax penalty (GOV.UK)
- HMRC interest rates for late and early payments (HMRC)