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What is a Lightwell?

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A lightwell is an open space within the volume of a building that is designed to provide light and ventilation to interior spaces. Traditionally, lightwells are open to the sky without a roof with windows lining the walls facing the lightwell. These windows provide a degree of airflow and light to the deep interiors of large buildings. The open space provided by a light well may also be usable as a small outdoor area or garden.

Light Well vs Skylight

It is common for modern structures with a glass roof to be referred to as a lightwell. These differ from a skylight in that they cut an open space through a building from the roof to the ground.
Overview: Light Well
Type
Architecture
Lighting Design
Passive Light
Definition
An open space within the volume of a building that is designed to provide light and ventilation to interior spaces.
Also Known As
Light well, light-well
Related Concepts
Passive Light
Ambient Light
Light Tube
Lighting Design

Lighting Design

This is the complete list of articles we have written about lighting design.
Ambient Light
Bottle Wall
Daylighting
Light Shelves
Lightwell
Neon Lights
Passive Light
Safety Glass
Shoji
Smart Glass
Sunlight Transport
Sustainable Lighting
Tempered Glass
Window Glass
Windows
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