Skip to the content
FREE BETA 100 days free, up to 10 homes a month
Glossary

Below grade

Any level that is partly under the ground. If any part of a level is below the ground outside, the whole level is below grade.

By the Squaremetry team · Updated · How we calculate

Definition

Definition

Any level that is partly under the ground.

What it means

If any part of a level is below the ground outside, the whole level is below grade. Under ANSI Z765 below-grade space never counts toward the gross living area, even when it is finished; it is reported on its own line.

Compared with other terms

Table: related terms compared
TermWhat it includes
Below gradeAny level that is partly under the ground.
Above gradeSpace with the floor at or above the ground outside.
Gross living area (GLA)Finished area above grade, from the outside walls.
Read the guide: ANSI Z765 rules

Start with your first floor plan

The beta is free for 100 days, with up to 10 homes a month. After the beta: $5 per home, or Pro from $19 a month.

Join the free beta

or sign in with a code by email