Guides
5 details of historic home restoration people miss
Five details owners overlook in historic home restoration: water first, documentation, the right treatment, hazards, and the permits your address actually needs.
What to take away
- Detail one, water before finishesin historic home restoration, roof, flashing, gutters and grading come before plaster, paint or kitchens.
- Detail two, the dating evidencephotograph every elevation and room before you touch anything, including the parts you plan to keep.
- Detail three, the treatment wordpick one of the four federal treatments early, in writing, so later arguments have an answer.
- Detail four, the hazard that sets the crewassume lead paint in a pre-1978 house until a test says otherwise, and hire a licensed abatement contractor for removal.
- Detail five, the local review chainpermits and heritage review are local, and your building department and state historic preservation office give the binding answers.
1. The leak you have not found yet
Water is the first detail owners skip because it is invisible and unglamorous. A stained ceiling in the back bedroom usually means a flashing failure three rooms away, not a roof-wide problem.
Chase it with a pin-type moisture meter before you spend a dollar on finishes. Fresh plaster over an active leak fails within one season, and you pay for the same wall twice.
Fix the path first: roof, flashing, gutters, downspouts, then grading that slopes away from the foundation. Everything downstream depends on this.
2. Ghost marks, paint layers and cut versus wire nails
Spend the first season measuring and photographing rather than choosing tile. Every elevation, every room, every odd detail you do not yet understand.
Note which materials are original and which arrived later. A 1962 bathroom and an 1898 stair rail deserve different treatment, and the difference is not always obvious.
Ghost marks on plaster, paint layers on trim, and cut versus wire nails all carry dates. A written condition report, even a homemade one, keeps you honest when a contractor says a wall is beyond saving.
The National Park Service publishes free Preservation Briefs on window repair, repointing and masonry cleaning, all worth reading before you hire anyone.
3. Which of the four treatments you choose, in writing
Federal practice recognizes four distinct treatments. Choose one early, in writing, so later arguments have an answer. The Park Service publishes the full text in the Standards for the Treatment of Historic Properties, which many local review boards and grant programs adopt by reference.
Four treatments
- Preservation keeps and maintains what is already there.
- Rehabilitation allows compatible new use while keeping historic character.
- Restoration returns the building to one period and removes later work.
- Reconstruction rebuilds something gone, using documentary evidence.
Most private owners want rehabilitation. Very few want true restoration once they price removing a serviceable kitchen.
Rehabilitation is also the treatment that fits the federal rehabilitation tax credit. That credit covers 20 percent of qualified expenses on income-producing certified historic buildings, after state and Park Service review.
4. Lead paint, asbestos and knob-and-tube wiring
Lead paint comes first. Assume it in any pre-1978 house until testing says otherwise, and remember that disturbing it releases dust. The EPA's Renovation, Repair and Painting Rule governs contractors doing that work for hire, and your state may add its own.
Asbestos hides in pipe insulation, duct wrap, floor tile and some siding. Test, do not guess, and let a certified abatement contractor handle removal.
Knob-and-tube wiring and anything holding the building up need a licensed electrician or engineer. Stripping, glazing, painting and much carpentry are reasonable owner work once hazards are ruled out.
5. The permits your address actually requires
No national article can tell you what your jurisdiction requires. Your building department issues permits and interprets adopted codes, which vary widely from one town to the next.
If the house sits in a locally designated district, a commission may need to approve exterior changes before a permit issues. Ask both offices before ordering materials, and get written answers. Find which review comes first in how permits and local codes affect old house projects.
The Park Service explains the wider system in an overview of what historic preservation covers.
Work in the right order
| Stage | Typical work | Usually whose job |
|---|---|---|
| 0. Hazards | Lead paint and asbestos testing, abatement | Certified inspector, abatement contractor |
| 1. Weather | Roof, flashing, gutters, grade, downspouts | Roofer, gutter installer, owner |
| 2. Structure | Sills, joists, foundation, framing repairs | Engineer, contractor |
| 3. Envelope | Windows, doors, siding, repointing | Restoration carpenter, mason |
| 4. Systems | Electrical service, plumbing, heating | Licensed electrician, plumber |
| 5. Finishes | Plaster, floors, paint, millwork | Plasterer, painter, owner |
Money spent at stage five before stage one is money spent twice. That cascade is why an old house budget is written by stage rather than by room.
Two companion pieces go further: our comparison of the four treatments and what each one costs in practice, and a walk through checklist for the first year of ownership.
Common questions
Does a house have to be listed to be worth restoring?
No. Listing, whether on the National Register of Historic Places or a local register, affects incentives and review, not whether the building is sound or worth keeping. Plenty of sound old houses sit outside any district.
Can the work run in stages over several years?
Yes, and most owners do exactly that. Keep the building weathertight between stages and document what you finish, so the next contractor inherits facts rather than guesses.
Is original material really better than new?
Often. Old-growth framing and sash stock are denser than most current lumber, which is why careful repair tends to outlast replacement. The gap is largest in floors and window sashes.
Who decides whether a wall is beyond repair?
Ideally someone with no financial interest in the answer. Get a second opinion before demolition, and put the recommendation in writing.
In this guide
- How to Sequence Old-House Restoration WorkHistoric home restoration cost figures are outside this guide; learn how to sequence work by risk, protect the building, and check incentives.
- 4 takeaways on historic home restorationFifteen questions that separate a restoration contractor from a remodeler, covering written specifications, mock-ups, hazard certification and repair method.
- Historic Home Restoration Comparison: Four TreatmentsA historic home restoration comparison of preservation, rehabilitation, restoration, and reconstruction, plus the federal standards and reviews that may apply.
- A first-year checklist for restoring a historic home without regretA first-year checklist for a new old-house owner: what to test, photograph, measure and ask, in the order that prevents expensive surprises later.
- 4 lessons worth learning about historic home restorationHistoric home restoration: the failures that show up again and again in old houses, what causes each one, and which repairs a homeowner can do without making things.
