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Property Types & Construction

Window Well

Definition and meaning of Window Well in real estate.

A window well is a curved metal, plastic, or masonry barrier installed in the ground outside a below-grade window to keep soil and moisture away from the opening.

In more detail

These wells are essential for basements where the window sill sits near or below the level of the surrounding soil. By holding back the earth, they allow natural light and fresh air to enter subterranean rooms. Additionally, window wells help prevent water from pooling against the window frame and leaking into the basement structure.

In many municipalities, building codes require window wells to serve as emergency escape routes from basement bedrooms, which means they must meet specific dimension guidelines. Proper drainage is crucial at the bottom of the well to prevent flooding.

Key facts

CategoryProperty Types & Construction
Primary purposeMoisture prevention and soil retention
Common materialsCorrugated steel, plastic, or concrete
Required forBelow-grade basement windows
Example

To convert their basement into a legal bedroom, a homeowner installs a deep window well along with an egress window to ensure emergency exit access is fully compliant with local building codes.

Frequently asked questions

Why is water accumulating at the bottom of my window well?

Water accumulation usually happens if the gravel drain at the bottom of the well is clogged, or if the surrounding yard is sloped toward the house instead of directing water away from the foundation.

Are window wells required by local building codes?

Yes, in many jurisdictions, if a basement room is used as a sleeping area, building codes require a window well of a specific size to serve as an emergency exit.

How do I maintain my window well to prevent flooding?

You should regularly clear leaves, soil, and debris from the gravel drain at the bottom of the well, and consider installing a cover to keep out rain and snow.

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