What does it cost to fully upgrade a home in Charleston, SC? (2026)
Estimated total to modernize the major systems of a typical Charleston home, localized to your area.
Few homeowners do everything at once — but if you're planning a full modernization in Charleston, here's how the major projects add up. Each line is a localized 2026 estimate; click any project for the full breakdown.
| Project | Charleston 2026 range |
|---|---|
| HVACFurnace Replacement | $3,800 – $6,850 |
| RoofingAsphalt Shingle Roof Replacement | $6,050 – $12,450 |
| Water HeatersTank Water Heater Replacement | $1,250 – $3,200 |
| WindowsVinyl Window Replacement | $5,200 – $15,350 |
| PaintingInterior House Painting | $3,950 – $11,900 |
| FlooringHardwood Flooring Installation | $5,950 – $14,900 |
| PlumbingWhole House Repipe | $3,600 – $8,100 |
| InsulationAttic Insulation | $1,500 – $6,100 |
| Complete home upgrade | $31,300 – $78,850 |
Renovating a home in Charleston
How much does it cost to fully renovate a home in Charleston?
Modernizing the major systems of a typical Charleston home runs about $31,300–$78,850 in 2026 — summing one representative project per category (HVAC, roofing, windows, flooring, plumbing and more), localized to Charleston's labor rates, climate and permit fees.
Which home upgrade is most expensive in Charleston?
Hardwood Flooring Installation tops the list at $5,950–$14,900; Tank Water Heater Replacement is the cheapest line at $1,250–$3,200.
Should I do every upgrade at once in Charleston?
Rarely all at once. Most Charleston homeowners spread these projects over several years, starting with whatever's failing or highest-impact — often flooring here — and phasing the rest. That spreads the cost and gives you time to shop each job properly.
Complete home costs in nearby South Carolina cities
These totals add one representative project per category, localized for Charleston's hot climate, local labor rates and permit fees. Treat this as a planning tool, not a quote — most homeowners phase the work over years.