Roanoke, VA Whole-Home Rewiring Costs — Electrical Guide

Estimated Read Time: 9 minutes

Knob and tube wiring replacement cost is a big question for many Roanoke and New River Valley homeowners. If your home still has knob and tube or fuse panels, you are likely overdue for a safety upgrade. In this guide, you will see typical price ranges, what drives the cost, how long it takes, and smart ways to save. We also explain permits, code, and insurance considerations. Same day electrical inspections available.

What Is Knob and Tube Wiring and Why Replace It

Knob and tube, often called K&T, is an early electrical method used widely from the 1880s through the 1940s. It uses ceramic knobs to support single-insulated conductors and ceramic tubes to pass wires through framing. It lacks a grounding conductor and modern protection.

Replacement is usually recommended when you have any of the following:

Original K&T circuits with brittle insulation or splices wrapped in cloth friction tape.
Fuse panels, screw-in fuses, or mixed fuses and breakers.
Frequent tripping, warm outlets, or extension cords used as permanent wiring.
A renovation or appliance upgrade that will strain old circuits.

Beyond safety, replacement brings your home closer to today’s code expectations, allows proper grounding, and supports modern loads like HVAC, EV chargers, and induction ranges.

"This month, they completed an extensive rewiring of our 1929 home... Everything that we requested was completed on time and on budget, with minimal mess... very professional, courteous, and respectful of our house and our belongings."

Special Offers for Rewiring and Safety Upgrades

Special Offer: Save $200 on Electrical Service Upgrades. Expires 05/31/2026. Not valid with other offers.
Special Offer: Save $100 on Panel Replacement. Expires 05/31/2026. Not valid with other offers.
Special Offer: FREE Whole Home Electrical Inspection. Expires 05/31/2026. Not valid with other offers.

Call 540-685-1594 or visit https://www.ostromservices.com/ to schedule and mention the offer you prefer.

What Homeowners Are Saying

"This month, they completed an extensive rewiring of our 1929 home... Dan could teach a Master Class in collaboration and customer service... Everything that we requested was completed on time and on budget, with minimal mess."

"Just had George & his assistant Toby finish up 2 days of doing my entire house electrical restoration. Their work was outstanding... He went the extra mile... VERY PROFESSIONAL!!!"

"Scott & Jon did an awesome job upgrading our home to 200amps, a New Breaker Box and whole home surge protection system. Thanks"

"They replaced my electrical breaker box and expanded it, and added a whole house surge protector. They were prompt, thorough, friendly, professional, and efficient."

Frequently Asked Questions

What kind of wiring material is safest today?

Copper wiring with modern thermoplastic insulation, proper grounding, and code-compliant devices is the standard for safety and reliability in most homes.

Do walls need to be removed to replace knob and tube?

Selective access is common. Electricians fish new cables through attics, basements, and chases. Some small drywall cuts are typical and then patched during finish work.

Should I rewire the whole home or just a few rooms?

If K&T is active in multiple rooms, whole-home rewiring is safer and more cost-efficient than piecemeal fixes. It also simplifies permits and inspection.

Does a house built in the 1960s need rewiring?

Not always. Many 1960s homes use grounded Romex, but some have outdated panels or aluminum branch circuits. A licensed inspection determines the right scope.

How long does a whole-home rewire take?

Most 1,500 to 2,000 square foot homes take 5 to 10 working days with a coordinated crew, plus time for inspections and any drywall repair.

Bottom Line and Next Step

Replacing knob and tube wiring protects your home and opens the door to modern upgrades. For Roanoke and nearby cities like Salem, Blacksburg, and Vinton, we offer same day inspections, upfront pricing, and clean, professional work. Ready to get a firm knob and tube wiring replacement cost for your home? Call 540-685-1594, schedule at https://www.ostromservices.com/, or chat with our team. Ask about $200 Off Electrical Service Upgrades or a FREE Whole Home Electrical Inspection before 05/31/2026.

Schedule Your Inspection Now

Call: 540-685-1594
Online: https://www.ostromservices.com/
Current offers: $200 Off Electrical Service Upgrades, $100 Off Panel Replacement, or a FREE Whole Home Electrical Inspection. All offers expire 05/31/2026.

We serve Roanoke, Blacksburg, Cave Spring, Salem, Christiansburg, Hollins, Radford, Vinton, Bedford, and Hardy.

How Much Does Knob and Tube Wiring Replacement Cost

Price depends on the size and age of the home, access, permit requirements, and the number of new circuits. In Western Virginia, most whole-home rewires we see fall into these broad ranges:

Small cottages and bungalows, 900 to 1,200 square feet: 8,000 to 15,000 dollars depending on access and device count.
Mid-size homes, 1,300 to 2,000 square feet: 12,000 to 25,000 dollars when panel work, grounding, and GFCI or AFCI protection are included.
Large or complex homes, 2,100 to 3,000 plus square feet or with plaster walls and limited access: 20,000 to 40,000 dollars or more.

These are planning ranges. Your home may be lower or higher. We provide an on-site inspection and written options with upfront pricing before work begins.

"They were prompt, thorough, friendly, professional, and efficient. We thoroughly enjoyed working with them and would highly recommend..."

What Drives the Cost on a Rewire

Every home is different. Here are the biggest cost drivers we evaluate during your inspection:

Size and layout
- Square footage, number of floors, and whether there is an accessible basement, crawlspace, or attic.
Walls and finishes
- Plaster and lath, heavy crown, tile backsplashes, and built-ins increase fishing time and patching.
Electrical panel and service
- Upgrading from 60 or 100 amp service to 200 amps, replacing outdated fuse panels, and adding space for future circuits.
Circuits and devices
- Number of outlets, switches, smart dimmers, GFCI and AFCI protected circuits, and dedicated appliance circuits.
Permits and inspections
- City or county permits and inspection steps add time but protect you.
Special systems
- EV charger, hot tub, sump pump, whole-home surge protection, and standby generators add materials and labor.

Local insight: In historic Roanoke neighborhoods like Old Southwest and Grandin, plaster walls and tight framing often require careful fishing. Planning the route saves hours and protects finishes.

What Is Included in a Professional Whole-Home Rewire

A thorough scope for K&T replacement typically includes:

Safety and planning
- Visual inspection, circuit testing, and load calculations.
New home runs and branch circuits
- Copper NM-B cable, new homeruns to a modern panel, properly stapled and protected.
Grounding and bonding
- Driven ground rods, bonding of water and gas piping as required.
Device replacement
- Tamper-resistant receptacles, modern switches, and required GFCI and AFCI protection.
Panel work
- New breaker panel with clear labeling. Many homes upgrade to 200 amps.
Cleanup and protection
- Floor and dust protection, hole patching plan, and a workmanship warranty.

"Scott & Jon did an awesome job upgrading our home to 200amps, a New Breaker Box and whole home surge protection system."

The Step-by-Step Rewiring Process

Here is how a typical project flows after your inspection and proposal approval:

Permitting and scheduling
- We pull permits and confirm dates that fit your schedule.
Safety prep
- Cover floors, isolate work areas, and explain any temporary outages.
Rough-in
- Fish new cables, set new boxes, and route circuits to the new panel.
Panel replacement or upgrade
- Set the new panel, terminate circuits, and label everything clearly.
Device and finish
- Install receptacles, switches, lighting, and required GFCI or AFCI breakers.
Inspection
- Coordinate city or county inspections. Correct any punch items quickly.
Final walkthrough
- Test every circuit with you and review warranty and maintenance tips.

Permits, Code, and Insurance Considerations

Permits and inspections are required for whole-home rewires in our service area. This protects you and keeps future buyers confident.
Modern codes call for GFCI protection in kitchens, baths, garages, outdoors, and basements, and AFCI protection for many living areas. Your estimator will specify where these apply in your home.
Many insurers restrict or surcharge policies for active knob and tube wiring. Replacing K&T and upgrading the panel can improve insurability and may reduce risk-related costs.

Hard facts to ground decisions:

Knob and tube wiring was commonly installed in U.S. homes from the 1880s through the 1940s.
Ostrom holds an A+ rating with the Better Business Bureau of Western Virginia and offers a 100% Satisfaction Guarantee.

Timeline: How Long Will You Be Without Power

Most 1,500 to 2,000 square foot homes require 5 to 10 working days with a dedicated crew. Power is usually available to most of the home each evening, with shorter full outages during panel changeover. Coordinated teams and clear labeling reduce downtime.

"Just had George & his assistant Toby finish up 2 days of doing my entire house electrical restoration... He went the extra mile... VERY PROFESSIONAL."

Ways to Reduce Your Rewire Cost Without Cutting Corners

Bundle related work
- Combine panel upgrades, surge protection, and dedicated appliance circuits while walls are open.
Choose standard finishes
- Select reliable, non-custom devices and fixtures.
Plan access
- Clear basements and attics to reduce labor time.
Use promotions and memberships
- Apply current offers. The Sure Home Advantage Plan includes an annual electrical inspection and discounts on service work performed, up to stated limits.
Future-ready layout
- Add a small spare capacity in your panel to avoid callbacks for the next project.

Why Hire a Licensed, Local Team for K&T Replacement

Rewiring is not a handyman job. You want a team that:

Specializes in older homes
- Experience fishing wires through plaster without unnecessary demo.
Understands local permitting and inspectors
- Faster approvals and fewer re-visits.
Offers clear, upfront pricing
- No surprises and detailed options.
Stands behind the work
- Strong warranties and responsive service if you need help later.

Ostrom provides same day service, upfront pricing, and no overtime charges. Our electricians are licensed, insured, and continuously trained to current codes. We wear shoe covers and keep your home clean.

Panel Upgrades, Surge Protection, and Add-Ons to Consider

A whole-home rewire is the perfect time to modernize:

Panel upgrades
- Move from outdated fuse panels to a modern breaker panel, often 200 amps.
Whole-home surge protection
- Safeguard sensitive electronics and protect the panel against surges and lightning.
Smoke alarms and CO detectors
- Hardwired with battery backup for code and safety.
Dedicated circuits
- Appliances, HVAC, EV chargers, and hot tubs get reliable power.
Outdoor lighting and security
- Add landscape or motion lighting while we are already onsite.

What to Expect at Your Free Electrical Inspection

If you choose the free whole home electrical inspection offer, here is what happens:

Visual review of accessible wiring, devices, and panel.
Circuit testing and identification of K&T or other outdated methods.
Load assessment and panel capacity review.
Safety and code upgrade recommendations.
Written options with transparent pricing and a project timeline.

You will get practical choices. Some homeowners choose a phased plan if timelines or budgets require it.

Choosing the Right Bid: Apples-to-Apples

When comparing proposals, make sure each bid includes the same scope:

Number of new circuits and device count.
Panel size and brand.
GFCI and AFCI protection plan.
Grounding and bonding details.
Permits, inspections, and patching responsibilities.
Cleanup, protection measures, and warranty terms.

If details are missing, ask for clarifications in writing so you can compare fairly.

Regional Pricing Notes for the Roanoke Area

Homes in Roanoke, Salem, Vinton, and Christiansburg often have accessible basements and attics, which lowers costs compared to slab-on-grade homes. Historic plaster in parts of Roanoke and Bedford can add time. We plan routes that preserve trims and finishes. Weather and seasonal demand can affect scheduling, so inspections and early approvals keep projects moving.

Financing and Payment Options

We offer payment options that can spread the cost of a rewire. Some insurers may adjust coverage terms once K&T is removed. Ask us to coordinate documents your insurer requests after the project. Our written proposals outline deposit, progress payments if any, and final payment after inspection.

Your Next Step

Schedule your inspection. We will test circuits, inspect the electrical panel, and address your concerns about creating a safe environment in your home. You will receive upfront pricing, options, and a clear timeline. Same day appointments are often available.

About Ostrom Electrical Plumbing Heating & Air

Ostrom serves Roanoke and the New River Valley with licensed, insured electricians and a 100% Satisfaction Guarantee. We offer same day service, upfront pricing, and no overtime charges. Our team wears shoe covers, protects your home, and follows current safety codes. We hold an A+ rating with the Better Business Bureau of Western Virginia and thousands of 5‑star reviews. Ask about our Sure Home Advantage Plan for annual electrical and plumbing inspections and a lifetime workmanship warranty on covered work.