---
title: TSB Overdraft Rate & Real 30-Day Cost (August 2026)
description: TSB charges −£7.00 for 30 days overdrawn at £250 (39.9% EAR). See the full cost table and how it compares with all 15 UK banks.
image: https://overdrafts.com/brand/og/tsb.png
canonical: https://overdrafts.com/tsb/
updated: 2026-08-28
---

# TSB overdraft: the real cost

Among the priciest overdrafts on the board.

## What 30 days overdrawn costs

| Amount overdrawn | Cost over 30 days |
| --- | --- |
| £100 | −£2.80 |
| £250 | −£7.00 |
| £500 | −£13.99 |

39.9% EAR · No interest-free buffer

## How the £250 figure is worked out

Amount charged interest

£250

Daily rate from 39.9% EAR

0.0920%

Cost over 30 days

−£7.00

#14 of 15 cheapest at £250 · cheapest right now: [First Direct →](https://overdrafts.com/first-direct/)

## Rate history

No changes since tracking began 28 August 2026.

## Sources

-   [TSB’s published overdraft rate page](https://www.tsb.co.uk/current-accounts/overdrafts/) · checked 28 August 2026

## Common questions

### How much does the TSB overdraft cost?

At £250 overdrawn for 30 days, TSB charges −£7.00 at its advertised 39.9% EAR. At £100 it’s −£2.80; at £500, −£13.99.

### Does TSB have an interest-free buffer?

No. Interest applies from the first pound of an arranged overdraft.

### Is TSB the cheapest overdraft?

Not at £250 overdrawn: it ranks #14 of 15. The cheapest right now is First Direct. The full leaderboard has every bank.

[← Back to the leaderboard](https://overdrafts.com/#board)

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