Littleton, CO Whole-Home Rewiring: Costs & Timing

Estimated Read Time: 9 minutes

If you’re researching rewiring an old house, you’re already doing the smartest thing: planning. Aging wiring limits capacity, trips breakers, and can create safety risks. This guide explains costs, safety requirements, and the best timing for whole‑home rewiring in the Denver metro. You’ll see how panel upgrades, dedicated circuits, GFCIs, and smart‑home wiring fit together, plus a step‑by‑step plan to budget and schedule with confidence.

Why Older Homes Need Rewiring

Denver’s housing stock is rich with 1920s bungalows, mid‑century ranches, and 1970s split‑levels. Many still run on wiring that was never designed for induction ranges, EV chargers, hot tubs, home offices, or whole‑house A/V. Common warning signs include:

1. Frequently tripping breakers or warm outlets.
2. Two‑prong receptacles with no ground.
3. Flickering lights when large appliances kick on.
4. Aluminum or knob‑and‑tube wiring present in walls or attic.
5. A panel that’s full, outdated, or visibly corroded.

Two hard facts every homeowner should know:

1. The U.S. Consumer Product Safety Commission reports that many homes built between 1965 and 1972 used aluminum branch‑circuit wiring, which has a higher risk of connection failures if not properly handled.
2. GFCI protection has been required in bathrooms since the 1970s and in kitchens since the 1980s under the National Electrical Code. If your home lacks this protection, it is behind modern safety standards.

"Did a full on kitchen remodel. New Main Distribution panel with several new dedicated circuits to kitchen for induction range, GFCI Safety outlets and power to disposal and dishwasher... Recommend him for any electrical upgrades."

What a Whole‑Home Rewire Includes

A true whole‑home rewire is more than pulling new cable. It’s a coordinated upgrade that replaces outdated wiring and brings your entire electrical system up to modern code and lifestyle needs. Expect these elements:

1. Panel work
   • Panel inspection, capacity assessment, and often a panel replacement or service‑entrance upgrade.
   • Dedicated space for new circuits and room to grow.
2. Branch‑circuit rewiring
   • Replacing knob‑and‑tube or aluminum branch wiring with copper.
   • Adding grounded three‑prong outlets.
3. Safety upgrades
   • GFCI protection in kitchens, baths, laundry, garage, and outdoors.
   • AFCI protection on most living‑area circuits to reduce arc‑fault fire risks.
4. Dedicated circuits for high‑demand loads
   • Induction ranges, microwaves, dishwashers, disposals, fridges.
   • Laundry equipment and tankless water heaters.
   • Garage/shop 240V circuits.
5. Lighting and controls
   • New switch loops, dimmers, and fixture wiring for recessed, pendant, chandelier, and exterior lighting.
6. Specialized and future‑ready options
   • EV charger wiring, hot tub and spa connections.
   • Smart‑home wiring for controls, security, and automation hubs.

The goal is safety, reliability, and usability. A quality rewire meets or exceeds local code and is built for the next 30 years of technology.

"My breaker box quit supplying almost all the power to my house late last night... A new main breaker box was installed... fast response... explained what the problem was. Great job team!!!"

How Much Does Rewiring Cost?

Every home is unique, and Denver’s older homes often have plaster walls, tight crawlspaces, or finished basements that affect access and labor. While we provide firm, flat‑rate proposals after inspection, here is how costs typically break down:

1. Home size and access
   • Smaller homes with open access cost less than large, multi‑story homes with finished interiors.
2. Panel upgrade and service capacity
   • Many older homes move from 60–100A to 150–200A service. This may include meter, mast, and grounding upgrades, plus utility coordination.
3. Wire replacement scope
   • Replacing obsolete wiring types throughout all living areas, bedrooms, kitchen, baths, garage, and exterior circuits.
4. Code‑required safety devices
   • GFCI and AFCI protection, tamper‑resistant receptacles, and proper bonding and grounding.
5. Number of dedicated circuits
   • Kitchens alone often need 5 to 7 circuits today. Add laundry, bath heat fans, sump pumps, and EV or hot‑tub loads and the count grows.
6. Drywall and finish work
   • Fishing wires can minimize surface damage, but some opening and patching is common.
7. Permits and inspections
   • City permits and inspections are mandatory and included in a professional scope.

Budget guidance

• Condominium or small bungalow rewires: Typically lower cost due to smaller square footage and simpler access.
• 2,000–3,000 sq. ft. homes: Expect a mid‑range investment that reflects more circuits, more devices, and longer wire runs.
• Complex or phased rewires: Can be staged to spread costs while advancing safety quickly.

We’ll walk you through line‑item pricing so you see exactly where every dollar goes. Our proposals are transparent, flat‑rate, and code‑compliant.

Safety First: Codes, Devices, and Best Practices

Rewiring is about eliminating risk and building resilience. Key safety measures include:

1. GFCI protection
   • Reduces shock risk where water is present: kitchen, bath, laundry, garage, and outdoors.
2. AFCI protection
   • Detects dangerous arcing conditions that can start fires behind walls.
3. Grounding and bonding
   • Modern grounding electrode systems, bonding of water and gas piping, and correct neutral isolation at subpanels.
4. Proper device selection
   • Tamper‑resistant receptacles for child safety.
   • Spec‑grade devices in high‑use areas for durability.
5. Correct terminations
   • Aluminum to copper transitions use approved connectors if aluminum is present on feeders.
6. Clear labeling and documentation
   • A labeled panel saves time and confusion during emergencies or future upgrades.

Local insight: Many pre‑war Denver homes still have knob‑and‑tube in attics. Heat in summer can make brittle insulation worse. Upgrading to modern copper with proper junction enclosures and thermal ratings is a long‑term safety win.

"I just moved into this home and my main panel literally would shut off my power if you touched it or looked at it wrong. Everyone took great care of me... same day to quote me on plumbing repairs I needed too."

The Best Timing for a Rewire

When is the right moment to take action? Consider these scenarios:

1. During a remodel
   • Kitchen or bath remodels often trigger code updates. Doing wiring while walls are open is efficient and reduces patching costs.
2. Before adding high‑demand loads
   • Plan a rewire or panel upgrade before installing an induction range, heat pump, hot tub, or EV charger.
3. After inspection red flags
   • Scorched outlets, hot breakers, frequent nuisance trips, or aluminum branch wiring suggest you should prioritize the project.
4. During a move‑in window
   • If you just purchased an older home, schedule a rewire before furniture and finishes go in.
5. Seasonality
   • In Denver, spring and fall often have faster permit turnarounds than peak summer construction. Booking early gets you on the calendar and ahead of supply chain delays.

How Long Does Rewiring Take?

Typical timelines for single‑family homes run from several days to a few weeks based on size, access, and finish level. The sequence usually looks like this:

1. Assessment and proposal
   • Load calculation, panel assessment, and a room‑by‑room device count.
2. Permitting and utility coordination
   • We handle submittals and inspections. Some utility work may be required for service upgrades.
3. Rough‑in
   • Pulling new home runs, installing boxes, and setting the panel and breakers.
4. Device and fixture set
   • Outlets, switches, GFCI/AFCI devices, lighting, and specialty circuits.
5. Testing and labeling
   • Verify polarity, grounding, GFCI/AFCI function, and final labeling of all circuits.
6. Inspection and closeout
   • City inspection, punch list, and a clean workspace when we leave.

Occupied homes can often remain livable during phased rewires. We stage temporary power, communicate daily, and protect your home with floor runners, plastic, and regular cleanup.

Planning the Scope: What to Include Now vs. Later

A rewire is your chance to future‑proof the home. Prioritize:

1. Dedicated kitchen circuits
   • Two small‑appliance circuits, dishwasher, disposal, microwave, range or cooktop, and fridge.
2. Laundry and bath
   • Laundry receptacle, dryer circuit, bath GFCI, and heat fan if desired.
3. General lighting and receptacles
   • AFCI protection and grounded outlets in all living areas and bedrooms.
4. Exterior and garage
   • GFCI‑protected outlets, lighting, and garage 240V if you run tools or plan a future EV.
5. Optional upgrades
   • EV charger circuit, hot tub, whole‑home surge protection, and smart‑home low‑voltage pathways.

If budget is tight, we can phase the work. Phase 1 handles life‑safety and the kitchen. Phase 2 adds specialty loads and finished‑area upgrades. Phase 3 can include smart‑home and exterior enhancements.

Permits, Inspections, and Compliance in the Denver Metro

Rewiring requires permits and inspections in Denver, Aurora, Lakewood, Thornton, Arvada, Boulder, Westminster, Centennial, Lafayette, and Longmont. We coordinate with each jurisdiction so the work meets or exceeds the adopted electrical code. Expect:

• Permit issuance before work begins.
• Rough and final inspections.
• Utility coordination for service and meter upgrades when applicable.

Our promise is simple: every job we complete meets or exceeds local electrical codes and industry best practices.

How to Choose the Right Contractor

Your home’s safety depends on the team you hire. Look for:

1. Licensing, bonding, and insurance.
2. Clear plan for panel, circuits, safety devices, and patching.
3. Flat‑rate, line‑item proposals with permit and inspection fees included.
4. Experience with older Denver homes and finished‑home rewires.
5. 24/7 capability for cutovers and emergency needs.
6. Real references and photo documentation of similar projects.

Ask about dedicated circuits for high‑demand appliances, EV charger readiness, and smart‑home support. A true partner will think ahead for you.

What You’ll Get With Fix-it 24/7

We deliver a full‑service approach so your rewire is done right the first time:

• Complete home rewiring for outdated or unsafe systems.
• Panel inspections, capacity assessments, and panel upgrades or replacements.
• Dedicated circuits for high‑demand appliances and electronics.
• GFCI installations and code‑compliance updates throughout the home.
• Outlet, switch, and lighting wiring, including recessed, pendant, chandelier, and outdoor lighting.
• EV charger, hot tub, and garage/workshop 240V circuits.
• Smart‑home wiring integration for automation and advanced devices.

From proposal to final inspection, you get transparent pricing, clean workmanship, and a system built for modern living.

Frequently Asked Questions

Do I need to rewire my whole house, or can I just fix problem areas?

Targeted repairs work for isolated issues, but widespread aluminum or knob‑and‑tube wiring suggests a whole‑home approach. We can phase the project to fit your budget while delivering key safety upgrades first.

Will I lose power during the rewire?

Yes, there will be planned outages, usually during panel changeovers and testing. We stage temporary power when possible and coordinate the schedule so disruptions are short and clearly communicated.

Does a rewire include patching and paint?

We minimize openings by fishing wires, but some drywall repair is common. We can include patching in our scope or coordinate with your preferred finisher to meet your timeline and budget.

Can I stay in my home during the project?

Often yes. We sequence rooms, maintain essential circuits when possible, protect floors and furnishings, and keep you updated daily. For major panel work, short outages are scheduled in advance.

How do permits and inspections work?

We handle permits, rough and final inspections, and any utility coordination for service upgrades. You get a compliant, documented installation and a labeled panel for future reference.

In Summary

Rewiring an old house restores safety, adds capacity, and prepares your home for modern living. If you’re searching for rewiring an old house in Denver or nearby, Fix-it 24/7 delivers code‑compliant panel upgrades, new circuits, and smart‑home readiness with clear pricing and clean workmanship.

Call to Action

Ready for a safe, future‑proof electrical system? Call Fix-it 24/7 at (720) 577-4266 or schedule at https://fixmyhome.com/. Ask about phased rewiring to address safety now and plan upgrades on your timeline.

About Fix-it 24/7 Plumbing, Heating, Air & Electric

Fix-it 24/7 is Denver’s trusted home-services team for electrical, HVAC, and plumbing. We’re licensed, bonded, insured, and background‑check every technician. Homeowners choose us for honest, flat‑rate pricing, 24/7 emergency availability, and our 100% satisfaction guarantee. We deliver code‑compliant panel upgrades, whole‑home rewires, dedicated circuits, EV charger wiring, and smart‑home integration. With thousands of 5‑star reviews and an A+ BBB rating, we treat your home with shoe covers, drop cloths, and spotless cleanup. One call does it all.