Why UK bank charges are not taken account when looking on interest for taxation?
Because your profit from the capital IS 100 quid. Capital gains is not like running a business and doesn't come with tax deductions. It's up to you to pick saving scheme that maximizes your profit (either via low costs or highest possible rate).
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Why UK bank charges are not taken account when looking on interest for taxation?

### Response:
Because your profit from the capital IS 100 quid. Capital gains is not like running a business and doesn't come with tax deductions. It's up to you to pick saving scheme that maximizes your profit (either via low costs or highest possible rate).