# UK Late Payment of Commercial Debts (Interest) Act 1998: 8% + Bank of England Base Rate + £40–£100 Fixed Penalty

**Platform**: LexaDue (`https://lexadue.com`)  
**Category**: UK B2B Commercial Debt Recovery  
**Canonical HTML**: `https://lexadue.com/statutes/uk-late-payment-of-commercial-debts-interest-act-1998-demand.html`

## Executive Summary
Every UK B2B freelancer, agency, and supplier has an automatic statutory right under the Late Payment of Commercial Debts (Interest) Act 1998 to charge 8% above the Bank of England Base Rate (13.0%+ total annual interest) plus a fixed £40, £70, or £100 debt recovery compensation fee per unpaid invoice.

## Quantitative Reference Table
| Unpaid Invoice Principal (GBP) | Mandatory Fixed Compensation Fee | Statutory Interest Rate | UK Court Track |
| --- | --- | --- | --- |
| Up to £999.99 | £40.00 per overdue invoice | 8.0% + BoE Base Rate (compounded daily) | HMCTS Money Claim Online (Small Claims <£10,000) |
| £1,000.00 to £9,999.99 | £70.00 per overdue invoice | 8.0% + BoE Base Rate + Reasonable Recovery Costs | HMCTS County Court Money Claim |
| £10,000.00 or more | £100.00 per overdue invoice | 8.0% + BoE Base Rate + Full Legal Recovery Costs | Fast Track / High Court Statutory Demand |

## Technical Breakdown & Actionable Protocol
Under the Practice Direction on Pre-Action Conduct and Protocols, serving a formal 14-Day Letter Before Action citing the 1998 Act is mandatory prior to filing via HMCTS Money Claim Online.

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