Whole-home
What does it cost to fully upgrade a home in Littleton, CO? (2026)
Littleton · full-home upgrade
$35,400 – $88,850
Estimated total to modernize the major systems of a typical Littleton home, localized to your area.
Few homeowners do everything at once — but if you're planning a full modernization in Littleton, here's how the major projects add up. Each line is a localized 2026 estimate; click any project for the full breakdown.
| Project | Littleton 2026 range |
|---|---|
| HVACFurnace Replacement | $4,700 – $8,450 |
| RoofingAsphalt Shingle Roof Replacement | $6,800 – $14,000 |
| Water HeatersTank Water Heater Replacement | $1,350 – $3,600 |
| WindowsVinyl Window Replacement | $5,750 – $17,000 |
| PaintingInterior House Painting | $4,400 – $13,250 |
| FlooringHardwood Flooring Installation | $6,550 – $16,300 |
| PlumbingWhole House Repipe | $4,100 – $9,250 |
| InsulationAttic Insulation | $1,750 – $7,000 |
| Complete home upgrade | $35,400 – $88,850 |
Totals sum one representative project per category, localized to Littleton (cold climate) using local labor price levels and permit fees. Most homeowners phase these over years — use it for planning, not a quote.