Home Renovation Budget Calculator
Estimate renovation costs for 8 project types. See low, mid, and high budget ranges with labor, materials, permits, and contingency breakdown.
Low Estimate
$15,000
Mid Estimate
$32,500
High Estimate
$50,000
Budget Breakdown
Estimates are national averages (per sq ft). Local labor markets, material choices, and project complexity cause significant variation. Always get 3 contractor quotes.
Understanding the Cost Ranges
Renovation cost ranges vary dramatically based on material grade, local labor rates, and project complexity. Low-end estimates use builder-grade materials and assume the space has no hidden structural issues. Mid-range uses mid-grade fixtures and finishes — typically what most homeowners choose. High-end uses custom cabinetry, premium appliances, and specialty finishes. Labor typically represents 30–50% of total cost; in high cost-of-living metro areas, it can reach 60%. Always build a 10–20% contingency into your budget — renovation projects almost universally uncover unexpected issues (outdated wiring, plumbing that needs rerouting, mold behind walls) once walls are opened.
How to Hire a Contractor
Get at least three written bids for any project over $5,000. Bids should be itemised — a single lump sum gives you no way to compare or verify scope. Verify the contractor is licensed and insured in your state (ask for certificates of insurance naming you as additionally insured). Check references from projects completed in the last 12 months — not just the best projects from 5 years ago. A reputable contractor will not demand more than 10–30% upfront. Avoid contractors who pressure you into decisions, refuse to provide written contracts, or offer suspiciously low bids that suggest they'll cut scope later.
Permits: What Requires One
Most structural, electrical, plumbing, and HVAC work requires a permit. Cosmetic work — painting, flooring, cabinet replacement that doesn't move plumbing — typically doesn't. Permits exist to protect you: inspections catch dangerous work before it's covered by drywall. Unpermitted work can create problems when selling — buyers' lenders may require it to be brought up to code, and homeowner's insurance may deny claims for damage caused by unpermitted work. The contractor should pull permits in their name (not yours) — they're legally responsible for meeting code. Permits typically add 1–3% to project cost but are non-negotiable for covered work.
Managing Change Orders
A change order is any modification to the original scope after a contract is signed. Every change order should be written, signed by both parties, and include cost and timeline impact before work proceeds. Verbal agreements are unenforceable and frequently lead to disputes. Change orders are one of the primary ways renovation budgets spiral — a $50,000 kitchen can become $70,000 through accumulated changes. Before signing off on any change, ask whether it changes the project timeline, affects other subcontractors, and whether there's a less expensive alternative. Having a detailed scope of work in the original contract minimises the number of legitimate change orders.