Exterior Doors with Sidelights and Transom Windows

Choose the Entry Window Layout

Design the View from Both Sides

Look at the entry from the approach to the house and from the room behind the door. A sidelight next to a walkway creates a different view into the home than a high transom. Consider what each pane overlooks before choosing clear or privacy glass.

A single sidelight can fit an asymmetric façade, while a pair can reinforce a centered entrance. Overhead glass introduces height. Select the arrangement for the proportions of the actual wall, rather than assuming every pictured combination will fit an existing opening.

Match the Door, Sidelights and Transom

Start with the main door’s composition. A regular grid, five horizontal panels and a diamond pattern each establish a different visual rhythm. Compare how the adjacent window divisions meet the door rails, and check whether the selected side units follow the door’s design or use a simpler glass layout.

Wood, metal and mixed assemblies may use different frame details. Review the configuration drawing and finish selections for every component. The material of the door panel alone does not identify the material of the surrounding jamb or window frame.

For a closer look at the door construction itself, compare metal front entry doors with the wood and other material choices in all front entry doors.

Measure an Exterior Entry as a Complete Assembly

Record the structural opening and the space occupied by the current frame and trim. Adding a sidelight changes the width of the entry unit; adding a transom changes its height. Door-leaf size, frame size and the rough opening are separate dimensions that need to agree before fabrication.

Have the installer review any proposed change to the opening, including the framing above it. Confirm how the unit will meet the wall, sill and exterior water-management details. A replacement door’s dimensions cannot establish the required opening for a larger glazed assembly.

If your project concerns the surrounding window units, the sidelights and transoms collection provides a focused place to review those components and their available configurations.

Choose Glass for Light, Privacy and Exposure

The glass selection applies to more than the door. Review the side and overhead panes too, particularly when they overlook a private room or sit beside the lockset. Ask which glass specifications are supplied in each part of the selected exterior assembly.

A privacy texture changes visibility; it does not create the same effect as a solid panel. Compare samples and the direction of the view, and discuss the selected frame and glazing performance for the location. Avoid treating the presence of a transom or double-pane glass as a complete performance specification.

Price the Configuration You Will Actually Install

Configure the number and placement of side windows, the transom, size, glass and finish before comparing prices. Include the installation package and any separate handle or lockset in the total. Changing from a door alone to a complete surround can also change delivery and installation requirements.

Product photographs show particular configurations. Confirm the order summary against the chosen arrangement, especially when a listing offers multiple sidelight and transom combinations.