What does it cost to fully upgrade a home in Downers Grove, IL? (2026)
Ballpark total for modernizing the major systems of a Downers Grove home, adjusted for local conditions.
Most homeowners spread this out rather than doing it all at once. Here's how the major projects add up for a full modernization in Downers Grove — each line is a localized 2026 estimate, and you can click any project for the full breakdown.
| Project | Downers Grove 2026 range |
|---|---|
| HVACFurnace Replacement | $4,900 – $8,800 |
| RoofingAsphalt Shingle Roof Replacement | $7,100 – $14,600 |
| Water HeatersTank Water Heater Replacement | $1,400 – $3,750 |
| WindowsVinyl Window Replacement | $5,950 – $17,650 |
| PaintingInterior House Painting | $4,650 – $13,900 |
| FlooringHardwood Flooring Installation | $6,800 – $17,050 |
| PlumbingWhole House Repipe | $4,250 – $9,650 |
| InsulationAttic Insulation | $1,800 – $7,300 |
| Complete home upgrade | $36,850 – $92,700 |
Renovating a home in Downers Grove
How much does it cost to fully renovate a home in Downers Grove?
A full modernization of a typical Downers Grove home costs roughly $36,850–$92,700 in 2026, adding up one representative project from each category (HVAC, roofing, windows, flooring, plumbing and more), localized for Downers Grove.
Which home upgrade is most expensive in Downers Grove?
Budget the most for Hardwood Flooring Installation ($6,800–$17,050) — the smallest line is Tank Water Heater Replacement at $1,400–$3,750.
Should I do every upgrade at once in Downers Grove?
Rarely all at once. Most Downers Grove 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 Illinois cities
Each total combines one representative project per category, localized to Downers Grove (cold climate, local labor and permit fees). Use it to plan, not as a quote — most homeowners spread this work out over years.