OP could almost be describing my house. New construction, coax to every room, no ethernet. And the builder specifically warned me not to try to use the existing coax to pull a new drop because it's all filled with fireproof foam/insulation stuff.
It’s always possible to run new Ethernet cable. Just think like a cable TV installation technician. Run it on the surface, drill through walls and fish as needed. Run it along the exterior if needed.
It’s always possible. Not always pretty, but possible.
I develop software for a living, my capabilities at layer 1 are quite limited.
Also my wife would not go for visible Ethernet run like that. I'd have to hire a contractor to do drywall work to have it done right.
I have managed to get Ethernet everywhere I want for the most part though, thanks to a luckily positioned unfinished half of the basement and garage, where visible cables are fine and I can just pop through walls here and there.
> Also my wife would not go for visible Ethernet run like that. I'd have to hire a contractor to do drywall work to have it done right.
Obviously this is always a cost issue (ie it’s subjective exactly how nice it has to look and what is acceptable to pay), but it’s far from impossible to run ethernet or fiber without breaking down walls.
The cheap version of this is having new covered cable channels running on top of existing baseboards and door trims. The more expensive version would be to either replace or carve out space in the boards to fit the cable, in that case you would never see it except when it exits the board to an outlet.
