The consumer unit/fuse board shouldn't do much harm.
The fact that the router is inside a cupboard would be more of a problem; it's one more wall for the wireless signal to get through.
Is there a lot of wifi around you? eg neighbours? If it's congested you can suffer from collision quite badly.
I've set my own channel.
12
But it back in auto now it been moved into lounge
You realise that not all devices can see that?
I don't know why people mess with this stuff. 1,6,11 thats all you need.
must have been fuse board or somthing hidden behind walls played Hovac