Rewiring a House: Preparation Guides, and Cost You Should Pay

Rewiring a house must be considered when you start to find problems with the electrical system in your home. It becomes essential to do to protect the property from fire incidents as well as for the safety of you and your family.

However, because of the wire location hidden in the wall, people sometimes hesitate to do it immediately because it will require professionals to complete it.

It means using Electrician services requires you to pay a lot of money. But don’t worry; this article will give a complete guide to rewiring a house to help you make the right decision.

Starting from the reasons, signs that your home’s electrical system needs repair, the preparation tips you have to do, and the house rewiring cost calculator you need.

Reasons Why Rewiring a House is Essential

Reasons Why Rewiring a House is Essential

In general, cables that are worn, old and damaged will have the potential to cause a short circuit and sometimes even lead to fire incidents.

As reported by the United States Fire Administration, in 2017, electrical faults caused many house fires, resulting in many injuries, death, and large property losses.

Most of these incidents happened to the houses that still used the knob and tube wiring system. This method of wiring is usually found in buildings built between the late 1800s until the mid-1940s.

How to Get Unlimited Energy Source at Home

Suppose your dwelling was built in those eras. In that case, it is better to do periodic checking through the Periodic Inspection service to ensure whether your wiring system is still in good condition or requires partial or even complete repair.

As is well known, knob and tube wiring are considered ineffective, inefficient, dangerous, and no longer suitable for modern buildings.

In addition to the knob and tube system, electrical faults may also occur in aluminum wiring commonly used in homes built in the 1960-1970s era. The lack of sufficient insulation in this method generally could pose a massive fire.

Aside from the explanation above, here are two other reasons to consider how essential it is to rewire a house.

1. Prevent Overloading

It cannot be denied that today, all the devices we utilize are advanced. It starts with computers, entertainment devices such as televisions, heating or air conditioning, to kitchen appliances.

As all of these tools become more sophisticated, they also require high power in their use. Therefore, you need to rewire a house to properly run this equipment and make your life more comfortable.

2. Upgrade the Home Value

Besides making it easier for you to run high-powered devices at home, rewiring a house can also increase your home’s selling value. How could it be?

It happens because most buyers will see the wiring system in a house as a supporting factor before deciding to buy it.

Indeed, the cost of completely overhauling your old cabling system can be prohibitive.

However, by considering repairing or completely replacing your old electrical system with the new one, just as you are planning to sell your house, it is possible to sell the property for a high price.

That way, you can get back the money you already spent on repairing necessities, or even more.

How Often Should a House be Rewired? And What Are the Signs?


In general, there are no specific provisions when you have to rewire a house. However, you should do a Periodic Inspection every ten years to ensure that your electrical system is still in good condition.

Meanwhile, for apartment-like properties, landlords must carry out a Periodic Inspection every five years.

Other things that are signs that you need rewiring a house are:

  1. Frequent light flickering with unidentified reasons
  2. Your breaker is tripping all the time as if it can’t handle the high-powered devices. And lead you to replace the fuse periodically.
  3. You can smell burning or hear a buzzing sound from your wiring. Usually, it happens due to a faulty or damaged electrical system.

Rewiring a House Cost 2020

The cost you should pay

Below is one by one rewiring a house price according to the needs:

1. The Average Price in This Year

Based on national averages, rewiring a house for small properties ranges from $ 1,500 to $ 3,000; Mid-sized homes are around $ 3000 to $ 8,000; while for large buildings, it takes approximately up to $ 12,000.

2. Cost by Home Size and Age

Precise calculation methods offered by experts according to properties’ sizes are around $ 1.50- $ 3,375 per square foot. On average, the prices to rewire electricity in modern homes are:

  • 1,000 square feet = $ 1,500 – $ 4,000
  • 1,500 square feet = $ 4,000 – $ 6,000
  • 2,000 square feet = $ 5,000 – $ 8,000
  • 2,500 square feet = $ 5,000 – $ 10,000
  • 3,000 square feet = $ 8,000 – $ 12,000.

Suppose you have an old house, then the price could be higher than the regular one because it needs more effort to be done.

3. Cost by cases

Upgrading the old electrical wiring into the modern system with 200 amps electrical panel may expect you to pay $1000 to $3000.

If you include the opening wall process, it means you have spent an additional cost of approximately $5-$8 per square foot.

Meanwhile, installing the new electrical outlets and switches may spend $150 a time.

A governmental permit for doing electrical rewire is a must. Generally, it cost $150-$900.

On the other hand, if you rewire without permission, you have to pay fines of around $500.

For disconnecting the knob and tube wiring, you need to spend about $5000-$6500. Further, to replace it with the modern system, it cost $1.60-$3.80 per square foot.

4. Rewiring a House Room by Room

To rewire the bedroom with 120 square foot, it cost about $200 per bedroom. And for the basement, it usually needs around $1000-$2000.

House Rewire Tips

This section will discuss the preparation you need to do before considering rewiring a house. Although, in the end, you need the expert to finish this work, some stuff needs to be done to make the rewiring process runs well and not so destructive.

  • Move the picture or furniture on the wall or floor that has wiring within before start to work.
  • Roll up your carpet or cover it with plastic to avoid dirt.
  • Do clean up after finishing the rewiring process.
  • Ensure to follow the updated National Electric Code (NEC) guidelines as required.

How to Get Your House Rewired for Free

How to Get Your House Rewired for Free

You might think that rewiring a house is something you can do yourself with a series of DIY processes and electrical equipment that you have at home. But in fact, this work is not as easy as you think.

Unless you are an electrician, then considering rewiring a house by yourself won’t be so wrong. However, if you are a layman, then the best answer is to hire an expert.

Because when there is just one thing you do wrong, it can cause a short circuit that can threaten your safety and even result in more significant losses than hiring the electrician. Of course, you don’t want to experience it, do you?

The complete guide on rewiring a house comes to an end. It would help if you remembered nothing wrong with hiring a professional to complete this work because your safety is the priority among anything else.

Leave a Reply

Your email address will not be published.