Historic Restoration
Before replacing original woodwork
Assess the original material before deciding to replace it. Begin with its condition, the details you want to keep and any preservation requirements.
What to have ready
- A wider photograph and close views of the damage
- An intact example of any detail that needs matching
- Approximate measurements and previous repair records
- Any drawings or preservation requirements
Start with what matters
Begin with what you want to keep. An original door, window or length of trim can matter because of its proportions, profile and relationship to the room. A worn finish and a damaged component are different issues. The first conversation should identify the element, what has changed and the result you want, rather than assume that every affected part needs replacing.
Assess before replacing
The National Park Service publishes guidance on assessing and repairing historic wooden windows and preserving architectural woodwork. Its window guidance considers condition and repair before decisions about replacement. That is a useful starting point for a professional assessment; it is not a conclusion about the condition of your own property. National Park Service preservation guidance.
Photograph the detail and its setting
Photograph the whole element, then the affected area and its connection to nearby materials. For a window, include the frame and the surrounding trim. For a door, include both sides and the opening. For mouldings, show a continuous section and any missing part. A rough measurement helps establish scale, but photographs do not replace an inspection.
Explain previous repairs
Tell us about previous repairs, changes after wet weather and any drawings or records you have. If matching details is important, show an intact example nearby. A proposed scope should make clear which parts are retained, which are repaired and which would be replaced, along with the intended finish. These distinctions help you compare proposals that might otherwise sound similar.
Check preservation requirements
For a designated Boston property or a property in a local historic district, consult the relevant commission about proposed changes. Boston’s guidance describes an application process for landmarked and historic-district properties. Confirm what applies to the particular building and scope before committing to alterations. Outside Boston, begin with the local building and preservation offices. Boston Landmarks Commission guidance.
Set your priorities
Repair decisions should reflect the condition of the material and the priorities for the building. A photograph cannot establish structural suitability, a final price or a guaranteed increase in resale value. Share what matters most to you, retaining original detail, improving everyday use or addressing a recurring problem, so those priorities can guide the assessment.
Official sources checked 1 October 2026. Property requirements should be confirmed with the relevant authority.