Hi HWANDDE
Thank you for your question.
An individual customer may deduct from his or her tax liability for the year an amount equivalent to the otherwise unrelieved interest and finance costs multiplied by the basic rate of tax for the year in question.
The net effect of these changes is that interest and finance costs are relievable only at the basic rate of tax rather than at a customer’s highest rates. More information can be found at :
Deductions There is a specfic box on the tax return where you would enter quallifying interest and finance costs.
The box is called "Residential finance costs.