VAT increases- Tax

Where do I go to increase the VAT rate (which is a tax in the United Kingdom) from 17.5% to 20% ?

Thank you.


Admin>shipping/Taxes>Taxes>Tax Rates

BarryH - Thank you for your reply, but I do not have Tax Rates within the Admin/Shipping/Taxes area.

I cannot even see where the current VAT rate is applied. Is there any place else it could be applied?

Thank you. Chris

See attached image.