On the self assessment return >> Supplementary pages >> Add the page 'UK Property' >> Update 25% of the finance cost in box 26 >> Update 75% of the finance cost in box 44
Click here to watch how to update finance costs
Adding the UK Property Supplementary Page
After creating a tax return, navigate to the Supplementary Pages section and click on the '+ Supplementary Page' button.
Add the UK Property page.
You will then be able to go into the relevant section that needs to be updated.
Updating the relief for finance cost
Enter 25% of the finance cost into box 26.
Enter 75% of the finance cost into box 44.