Why Is Underpinning Done

In construction or renovation, underpinning is the process of strengthening the foundation of an existing building or other structure. Underpinning may be necessary for a variety of reasons: … It is more economical, due to land price or otherwise, to work on the present structure’s foundation than to build a new one.

What are the reasons for underpinning?

To increase the capability of existing foundations e.g. to support another storey to the building. Natural disasters such as earthquakes, floods or droughts that have caused the structure to move or become unstable.

Is underpinning a problem?

Although underpinning is often an unwanted expense, if left unresolved the cost could be much higher, putting your entire property at risk. For the sake of making your property structurally secure and safe to live in, the cost of underpinning is often worth it in the long run.