Why is my download slow?

https://preview.redd.it/8m65gea9dboe1.png?width=712&format=png&auto=webp&s=06735c0929199100b6894b98112f6c2d3e1dbcb2

Hi there.
I recently moved into a new apartment, where I pay for 1000/1000 mbps internet, as I did in the apartment I had before.
My router is only placed 5 meters from my pc, only just on the other side of the wall.
Whereas the router in my previous apartment was placed closer to 20-30 meters away, but the wifi was better.

Can someone explain how or why my internet is slower, despite me having the same supplier as before, and having moved the router closer to my room.

Thanks in advance :)