Page 203 - Healdsburg, CA Citywide Design Guidelines

Windows
The character-defining features of a historic window, its distinct
materials and its location should be preserved. In addition, a new
window should be in character with the historic building.

8.18 Preserve the functional and decorative features of a
historic window.
a. Features important to the character of a window include
its frame, sash, muntins, mullions, glazing, sills, heads,
jambs, moldings, operation and groupings of windows. Preserve the functional and
b. Repair frames and sashes rather than replacing them, decorative features of a historic
whenever possible. window including the frame, sash,
muntins, mullions, glazing, sills,
heads, jambs, moldings, operation
8.19 Preserve the position, number and arrangement of and groupings of windows.
historic windows in a building wall.
a. On primary facades, enclosing a historic window
opening is inappropriate, as is adding a new window
opening.

8.20 Preserve the historic ratio of window openings to solid
wall on a primary facade.
a. Significantly increasing the amount of glass on a
character-defining facade will negatively affect the
integrity of the structure.

Preserve the position, number and
8.21 Preserve the size and proportion of a historic window arrangement of historic windows in
opening. a building wall.
a. Reducing an original opening to accommodate a smaller
window or increasing it to receive a larger window is
inappropriate.
b. Avoid converting an original window to a door on a
visible façade.

8.22 Match a replacement window to the original in its
design.
a. Maintain the size of the original window opening.
b. If the original is double-hung, then the replacement
window should also be double-hung or appear to be so. Preserve the historic ratio of
Match the replacement also in the number and position window openings to solid wall on a
of glass panes. primary facade.
c. Matching the original design is particularly important on
key character-defining facades.

Treatment of Historic Resources Chapter 8 195