Putting A Basement Under An Existing House

Putting a Basement Under an Existing House

Adding a basement to an existing house can be a major undertaking, but it can also be a great way to add space and value to your home. If you're considering putting a basement under your house, there are a few things you need to know.

1. Is it possible to put a basement under my house?

The first step is to determine if it is even possible to put a basement under your house. This will depend on a number of factors, including the type of foundation your house has, the soil conditions, and the depth of the water table.

If your house has a shallow foundation, it may not be possible to put a basement under it. The same is true if the soil conditions are not stable or if the water table is high.

2. How much will it cost to put a basement under my house?

The cost of putting a basement under your house will vary depending on the size of the basement, the type of foundation you have, and the soil conditions. However, you can expect to pay anywhere from $50,000 to $150,000.

3. What are the benefits of putting a basement under my house?

There are a number of benefits to putting a basement under your house, including:

Increased space: A basement can provide you with a lot of extra space that you can use for a variety of purposes, such as a family room, a playroom, or a guest room.
Increased value: A basement can add value to your home, especially if it is finished. A finished basement can be used as a living space, which can make your home more appealing to potential buyers.
Improved energy efficiency: A basement can help to improve the energy efficiency of your home by providing an extra layer of insulation.

4. What are the risks of putting a basement under my house?

There are also some risks associated with putting a basement under your house, including:

Water damage: Basements are susceptible to water damage, especially if they are not properly waterproofed. Water damage can cause mold and mildew growth, which can be harmful to your health.
Structural damage: Putting a basement under your house can weaken the foundation of your home. This can lead to structural damage, which can be costly to repair.
Radon gas: Radon gas is a radioactive gas that can be found in basements. Radon gas is a health hazard, and it can cause lung cancer.

5. How can I reduce the risks of putting a basement under my house?

There are a number of things you can do to reduce the risks of putting a basement under your house, including:

Hire a qualified contractor: Make sure to hire a qualified contractor who has experience in putting basements under houses. A qualified contractor will be able to help you avoid the risks associated with basement construction.
Waterproof the basement: Waterproofing the basement is essential to preventing water damage. Make sure to use a high-quality waterproofing system and to have it installed by a qualified contractor.
Install a radon mitigation system: If you live in an area where radon gas is a problem, you should install a radon mitigation system. A radon mitigation system will help to reduce the radon gas levels in your basement.

Putting a basement under your house can be a great way to add space and value to your home. However, it is important to be aware of the risks involved and to take steps to reduce those risks.