Actually, not that bad ! :) You start to have a sense of proportion but you need to gain confidance with your line by doing these warm-ups gesture exercises then you might want to spend 1-2h on a longer drawing.
Depends what you goals are too...but I do agree with the upper comment, study how perspective works. "Drawing Perspective: How to See It and How to Apply It" a book that can be found on Amazon for 26 euros.
If you want some serious improvements, you should probably take this course after :
https://www.schoolism.com/school.php?id=14
Perspective + gesture is extremely important to understand drawing and painting everything !
Good luck!