costs to install network cabling
1 Network installation costs are also influenced by the number of areas in which installation services will be performed. 2  For a two-to three-room installation, costs may range from approximately $160 to $250, while an entire house with network installations in six to seven rooms can cost about $420 to $840. Plan on spending at least $100 to $150 per room. 2  So for instance, if you were to have three rooms, it could cost about $300 to $450. 3  According to Homewyse.com, the average cost to install computer network wiring is $149.93 to$196.03 per connection.