Hi & welcome!

When drawing buildings it's recommended to use the "square corners" feature (Q on the web editor) so they draw with near 90 degree corners. (Obviously some buildings don't follow this, but most do)

For address tags, you only need the street name & house numbers as the rest can be implied from their location. (The extra tags aren't wrong, just unnecessary)

I also note that one of your buildings isn't labelled as one, it's just an area (https://www.openstreetmap.org/way/1280972353)