Cost To Dig A Basement Under An Existing House

By | April 17, 2023

How To Dig A Basement Under House

Digging a basement under an existing house is a major undertaking that involves numerous steps, from excavating the ground to installing utilities and waterproofing the space. Depending on the size and condition of the house and the scope of the project, the cost of digging a basement can vary widely. In this article, we’ll take a look at the various factors that go into the cost of digging a basement, and what you can expect to pay for the job.

Cost Factors

There are a number of factors that can affect the cost of digging a basement. The first is the size of the project. The larger the space you’re trying to create, the more materials, labour, and equipment will be required, and the higher the cost will be. The type of soil in the area is also a factor, as some soils are much more difficult to excavate than others. The existing condition of the house can also have an effect, as additional work may be required to shore up the existing structure before digging can begin.

The type of utilities you’re installing can also affect the cost. If you’re installing electric, plumbing, or other services, you’ll need to factor in the cost of the materials and labour for these services as well. Finally, you’ll need to consider the cost of waterproofing the space. This is an essential step, as even the best excavation work won’t be effective if the basement isn’t properly sealed.

Average Costs

According to HomeAdvisor, the average cost of digging a basement is between $7,500 and $25,000. However, costs can vary widely depending on the size of the project and the condition of the house. Smaller projects may cost as little as $3,000, while larger projects can cost upwards of $50,000 or more.

Tips For Reducing Costs

If the cost of digging a basement seems prohibitively high for your budget, there are a few things you can do to reduce your costs. One option is to do some of the work yourself. If you’re comfortable with basic construction tasks, you may be able to do some of the excavation and utility installation work yourself, saving yourself some money in the process. Another option is to shop around for the best rates on materials and labour. Talk to several contractors and compare prices to get the best deal.

Conclusion

Digging a basement under an existing house is a major undertaking, and the cost can vary widely depending on the size and condition of the house and the scope of the project. On average, you should expect to pay between $7,500 and $25,000 for the job, though smaller projects can cost as little as $3,000 and larger projects can cost upwards of $50,000 or more. If you’re on a tight budget, you may be able to save some money by doing some of the work yourself or by shopping around for the best rates on materials and labour.

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