Conduit Types. Wire Colors and Sizes. Most house wires -- the wires that run from the service panel through walls and to electrical boxes -- are solid-core, meaning they are made of a single, solid strand. Light fixtures and some switches have leads -- wires made of many strands of thin wire, which are more flexible.
Average total cost (materials and labor) for rewiring a house starts around $3,500-$8,000 for a moderate-sized home with easy access (at least 18-inches of crawlspace under the home plus an accessible attic) but can run $8,500-$20,000 or even as high as $30,000 for a large house and/or one with difficult access.
Average cost to rewire a house. Print Page. Summary: How much does it cost to rewire a house, average rewiring costs and electrician prices. If you buy an old house, you need to check when the house was wired. If you pay for a full structural survey before purchase this should indicate how old the electrics are.