Is rewiring knob-and-tube worth it after an inspection?
Verdict: YES — Yes — most insurers refuse coverage with active K&T. Full rewire is the only path to insurability and is non-negotiable in a buyer's mind.
Cost & payback at a glance
| Typical cost range | $8,000–$20,000 |
|---|---|
| Estimated annual benefit | Non-financial (comfort / safety / resale) |
| System | electrical |
| Scenario | inspection |
How HomeScore decides
HomeScore evaluates "is it worth it?" decisions across 40+ home systems using 2026 cost data, regional installer rates, lifespan modeling, and resale ROI. Every verdict on this page is anchored to the underlying replacement cost, annual operating savings, and the scenario you're in: general homeowner, in-2026 pricing, resale-driven, forever-home, or pre-1980 retrofit.