Do you have a part of your basement that is not finished or even a dirt cellar? One way to use the space is to build a bunker under your house. This task can be done in many ways depending on the amount of work you want to do.
Excavation may be necessary to build a bunker under your house. The reason is to make sure you will have the height and space that is required. You can use a super secret bunker for safety or storage for specific valuables. All you need to do is add a secure door. If you do this right, you can have your own spy room.
One thing to think about when you want to build a bunker under your house is to consider available space. There are also the materials that need to be used when constructing the bunker. Concrete block is a good material or you can use poured concrete.
Instructions to build a bunker under your house can be found on instructables.com here…