1. What is the Home Addition Cost Calculation?

The Home Addition Cost calculation estimates the total cost of a home addition project based on square footage and the current 2025 Homeguide rate per square foot.

2. How Does the Calculator Work?

The calculator uses the simple formula:

Where:

• \( Sq\ Ft \) — Total square footage of the addition
• \( 2025\ HG\ Rate \) — Current cost per square foot from Homeguide

Explanation: The equation multiplies the size of your addition by the current construction rate to estimate total project cost.

3. Importance of Accurate Cost Estimation

Details: Accurate cost estimation helps in budgeting, securing financing, and comparing contractor bids for home addition projects.

4. Using the Calculator

Tips: Enter the planned square footage of your addition and the current 2025 Homeguide rate per square foot for your area.

5. Frequently Asked Questions (FAQ)

Q1: How accurate is this estimate?
A: This provides a base estimate. Actual costs may vary based on materials, labor rates, and project complexity.

Q2: Where can I find the 2025 HG Rate for my area?
A: Check the latest Homeguide publications or consult local contractors for current rates.

Q3: Does this include permits and design fees?
A: No, this calculates construction costs only. Additional fees typically add 10-20% to the total project cost.

Q4: How does location affect the rate?
A: Rates vary significantly by region due to differences in labor costs, material availability, and local building codes.

Q5: Should I add a contingency to this estimate?
A: Yes, most experts recommend adding 10-15% contingency for unexpected costs.