How to Lower Basement Floor

Are you having trouble with water seeping into your basement? If so, lowering the floor of your basement may be a great option. This can help create an overall better living space in lower levels and keep water from entering as well. Lowering the floor of your basement doesn’t have to be intimidating either – it’s just a matter of learning how to go about doing it properly. In this blog post, we will discuss how to lower basement floor. From what type of materials to use, where to begin looking at costs and more – read on if you want to learn how to make sure that your new workspace or living area has a safe, dry and comfortable environment!

How to Lower Basement Floor

Basements often become damp, wet and uncomfortable as the temperature drops. If you’re looking for a way to improve this in your home or office, one of the first steps you may want to consider is lowering the basement floor. This task will require some special tools and knowledge; however, with careful planning and adequate preparation, it can be accomplished without too much difficulty. In this blog post, we’ll take a look at what is involved in lowering your basement floor so that you can make an informed decision about whether this project is right for you. Read on to learn more!

Why May You Want to Lower Basement Floor?

1. To Create More Living Space

Lowering your basement floor allows you to make use of previously unused space. This can create a more comfortable and livable area, such as an additional bedroom or living room. Also make sure to use waterproofing measures and insulation when lowering the floor so that moisture does not build up.

2. To Increase Storage Space

Lowering your basement floor also gives you additional storage space in your home. This can come in handy when trying to store items such as seasonal decorations, holiday ornaments, extra bedding, camping supplies, and more. Plus, since the basement is usually the lowest level of a home, it can be accessed with relative ease.

3. To Increase Home Value

Lowering your basement floor not only adds value to your home by creating more living and storage space but also increases its overall marketability. Potential buyers may be attracted to the convenience and modern look of a lowered basement floor.

How to Lower Basement Floor in 5 Easy Steps

Step 1: Gather All The Tools You Will Need

The very first step is to gather all the tools you’ll need before you begin. This includes a jackhammer, hammer drill, circular saws, shovels and wheelbarrows. Additionally, it’s also important to make sure that you have protective gear such as gloves, safety glasses, and hard hats.

This Includes a Jackhammer

Step 2: Demolish The Existing Floor

Once you have gathered all the tools you need, it’s time to start working on the existing basement floor. Start by using a jackhammer to demolish any concrete that is present on the floor. Be sure to dispose of any debris in an appropriate manner.

Step 3: Dig Out The Soil

Once the demolition is complete, it’s time to start digging out the soil that is beneath the concrete. This will allow you to create a level surface for your new floor. Be sure to use shovels and wheelbarrows to make this process easier.

Step 4: Install A Subfloor

Once you have excavated the area, it’s time to install a subfloor. Begin by laying down plywood or OSB boards and ensure that they are level. You can also use foam insulation to provide extra soundproofing in the basement.

Step 5: Place The Finishing Touches

The last step is to finish up by adding flooring such as hardwood, carpet, vinyl, or tile. Make sure that you seal off any areas that may have been damaged during the excavation process. Additionally, you can also add trim and other accents such as baseboard and crown molding to give your basement a more polished look.

Once all these steps have been completed, you’ll have a beautiful new basement floor that is perfect for entertaining guests or just relaxing after a long day. Congratulations! You’ve successfully lowered your basement floor. Good luck, and enjoy your newly renovated space!

Some Extra Tips to Lower Basement Floor

1. Do Not Forget to Protect Electrical Wiring

Make sure you do not damage any electrical wiring when lowering your basement floor. It is important to turn off the power before beginning this project and double-check for wires or pipes in the way.

2. Ensure That You Have Proper Support

When lowering a basement floor, it is essential that there is proper support underneath it. This can be done by adding foundation walls or steel beams to provide the structure with additional stability.

Adding Foundation Walls or Steel Beams

3. Remove Any Old Furniture and Carpeting

Before beginning the process of lowering your basement floor, make sure that all furniture and carpeting is removed from the area. This can help prevent any potential damage while working on the project.

4. Rent a Dumpster For the Debris

Once you’ve finished lowering your basement floor, you may end up with a lot of debris. Renting a dumpster can make it easy to get rid of any dirt and rubble that needs to be disposed of safely. Also, make sure that the dumpster can fit through a standard door or entryway before renting.

5. Contact Professional Contractors For Assistance

Lowering a basement floor can be dangerous and complex for individuals who lack the proper tools and experience. If you are unsure about how to proceed with this project, it may be best to contact professional contractors for assistance. This can help ensure that the job is done safely and correctly.

These are just a few tips to keep in mind when lowering your basement floor. With careful planning and preparation, this project can be completed without any major issues. Don’t forget to turn off the power before beginning and make sure there is enough support for the floor after it has been lowered!

Frequently Asked Questions

What Precautions Should I Take When Lowering a Basement Floor?

It is important to take the necessary safety precautions before attempting to lower a basement floor. Wear protective gear such as gloves, eyewear, and a respirator mask to avoid exposure to dust and debris. Be sure to check that all power sources are safely disconnected from the area you will be working on. Make sure that the space is well-ventilated and that proper support, such as shoring equipment, is used to support the structure. Additionally, make sure to follow all local ordinances when undertaking this project.

Wear Protective Gear Such as Glove

How Much Does it Cost to Lower a Basement Floor?

The cost of lowering a basement floor will depend on several factors including the size of the area you need to lower, the type of flooring you intend to use, and whether you will be hiring professional help for the project. Additional costs may include materials such as framing lumber, insulation, and concrete.

What is the Best Way to Lower a Basement Floor?

The best way to lower a basement floor depends on your specific needs and level of experience. If you are comfortable with DIY projects, you can use a jackhammer to break up the concrete before bringing in new framing and insulation. If you do not feel confident tackling this project yourself, it is best to hire a professional contractor who has experience in working on basement floors. They will be able to ensure that the job is done safely and correctly according to local ordinances.

Break Up the Concrete Before Bringing in New Framing

What is the Difference Between Underpinning and Lowering a Basement Floor?

The main difference between underpinning and lowering a basement floor is that underpinning involves excavating around the foundation walls to create space for new concrete footings. On the other hand, when you lower a basement floor, you are simply removing existing material such as drywall or plywood in order to create a lower floor level. Lowering a basement is usually done in order to increase the usable space within the basement or to improve its appearance.

Is It Necessary to Install Insulation When Lowering a Basement Floor?

Yes, it is very important to install insulation when lowering a basement floor. This will help keep your home warm in the winter and cooler in the summer. Make sure to install insulation that is approved for use in a basement environment and verify that it meets local energy codes. Additionally, invest in waterproofing products to protect your walls from moisture and mold.


Lowering your basement floor is not an easy task, but it can be done. Utilizing proper equipment and following correct instructions in combination with professional help will ensure that you safely complete the process. As long as you take all necessary precautions and abide by all rules and regulations, you should have success when lowering the floor of your basement. 

Additionally, having the right tools for the job is key to make sure everything goes according to plan. Hopefully, after reading this blog post about how to lower basement floor, you are better equipped with the knowledge needed to begin working towards lowering your basement’s floors. Good luck!

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Angela Ervin

Angela is the chief editor of Indoorense. She began her career as an interior designer before applying her strategic and creative passion to lifestyle and home. She has close to 15 years of experience in creative writing and online content strategy for housekeeping and cleaning,home decorations as well as other efforts. She loves her job and has the privilege of working with an extraordinary team. She lives with her husband, two sons, and daughter in Petersburg. When she's not busy working she spent time with her family.

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