Replacement windows should always fill the historic opening fully. Undersized replacement windows will have a negative impact on both the exterior, where the historic character will be altered, and the interior, where daylight will be lost and the character altered.
Chapter 13 of Restoring Your Historic House, The Comprehensive Guide for Homeowners takes a deep dive into the subject of windows in historic houses – including appropriate replacement windows when the historic windows are beyond saving.
Restoring Your Historic House, The Comprehensive Guide for Homeowners is now available direct from the author as well as on the Barnes & Noble, Powell’s Books, Target, and Walmart websites and on Amazon. Order your copy today!