Property losses and carried brought forward
Brought and carried forward property losses are among the advanced options for recording property in untied Pro.
Note that you will need to calculate and enter them from year to year - untied does not automatically carry forward losses at this point.
In the mobile app
Navigate to Profile > Income
Choose Property (this may be in green if you've already entered details)
Tap on More Options
Fill out the relevant information and press save
In your browser
Once you have logged into untied, choose Tax forms
Then UK property
This will open up Form SA105. Tick "View more options?"
Fill in the losses in the appropriate boxes and remember to press save :-)