Hi, beware that Kiruna is moving parts of the town and lots of buildings and roads in the Western and Southern part is being rerouted, moved, or demolished.
Only using heat maps and Imagery is not recommend, without local knowledge.

Hi
Please, check your imagery sources, The city of Kiruna is moving large parts of the town and lots of buildings have been demolished or moved.

Double check with[1], we are allowed to use the imagery as a reference but not incorporate it in to our tools.

Perhaps you should exclude the Kirina area from the missing building detection, you are running.

[1] https://minkarta.lantmateriet.se/plats/3006/v1.0/?e=719687&n=7535061&z=13&mapprofile=flygbild&background=2&boundaries=false