(720) 706-9464
Knob and tube wiring replacement in Denver usually starts with a letter you did not want to get: your insurance company will not renew the policy until the old wiring is gone. Or it showed up on an inspection report while you were trying to sell. Or the house you are buying in Denver or Fort Lupton just failed its four point inspection. Either way, the clock is now running on wiring installed before your grandparents were born. It has no ground, the insulation crumbles when you touch it, and every layer of attic insulation blown on top of it makes it run hotter. You need the wiring gone, the paperwork your insurer wants, and a fixed price before anyone touches a wall.
The insurance letter is the loudest trigger, but plenty of rewires start somewhere else. Insulation crews will not blow new insulation over live knob and tube, so the attic upgrade you planned before winter stalls until the old wiring is dead. Kitchen and basement remodels in Commerce City and Brighton hit the same wall the moment a permit gets pulled. And a 1940s panel simply has no room for the EV charger or the new air conditioner you were about to add.
If a remodel is what set this off, the smart move is one plan and one crew for both jobs: see how our remodel electrician team sequences the rewire with your project
Look in the basement or attic for white ceramic knobs with single cloth covered wires strung between them. If your home was built before 1950, in old downtown Brighton, the farm blocks of Fort Lupton, Platteville, or Hudson, or Denver neighborhoods like Berkeley, Globeville, and the Highlands, there is a real chance part of it is still live behind your walls. Two prong outlets and a fuse box are the other giveaways. Most rewires also mean new service equipment. If your home still runs on fuses or a 60 amp panel, we fold the panel upgrade into the same project. One permit, one inspection, one finished job.
Not sure what you are looking at? Send a photo of your basement ceiling and our master electrician will tell you within the day whether it is knob and tube, cloth covered Romex, or nothing to worry about.
Most carriers now refuse to write or renew homeowners coverage on houses with active knob and tube. The wiring has no equipment ground, the insulation is brittle after a century of heat, and it was never designed for a house full of chargers, space heaters, and kitchen appliances. When it sits buried under blown in attic insulation, which describes almost every older home in Commerce City and Fort Lupton by now, it cannot shed heat the way it was designed to.
That is why deals fall apart. A buyer in Brighton or Commerce City gets the inspection report, their insurer refuses to bind coverage, and suddenly the whole sale is being renegotiated around a rewire anyway. Replacing it on your own schedule is cheaper and calmer than replacing it in the middle of a closing.
A full rewire sounds like a gutted house. It is not. We fish new grounded circuits through closed walls, cut small access openings only where we have to, and work room by room so you keep power and keep living at home. Permits go through Denver, Adams County, or Weld County depending on where you sit, and the finished job comes with the passed inspection paperwork your insurance company wants to see.
Most whole home replacements in the Denver metro land between $9,000 and $20,000 depending on square footage, attic and crawl space access, and panel condition. Partial replacements cost less. You get one fixed number before work starts, not an hourly guess that grows every week.
How much does knob and tube wiring replacement cost in Denver?
Most whole home rewires run $9,000 to $20,000 depending on size, access, and whether the panel needs replacement at the same time. Partial and single floor jobs cost less. You get a fixed quote after a walkthrough, and the number does not move once work starts.
Will replacing it actually fix my insurance problem?
Yes. Carriers want proof the knob and tube is dead, not patched. You get permitted work, a passed inspection, and documentation your agent can send straight to underwriting. Homeowners typically see more carrier options and better premiums once the rewire is on record.
Do you replace knob and tube outside Denver, in Fort Lupton or Platteville?
Yes. We are based in Brighton, about 15 minutes from Fort Lupton, Platteville, and Hudson, where some of the oldest housing stock in the area still stands. We pull the right permit for your jurisdiction, whether that is a city office or Weld County.
Do I have to move out during the rewire?
No. The work moves room by room and power comes back on every evening. Most homes take three to five working days, longer for large houses with finished walls throughout.