How much does a Second Story addition cost? Second story addition, Home addition plans, Small

2nd Story Addition Cost. How to Build a Second Story Addition Second story addition, Exterior renovation, Home additions Building a simple bonus room costs much less than doubling the home's square footage with a full second floor A full second story addition costs $200,000 to $1,000,000+, depending on the square footage, features, and finishes

Adding a full second-story addition costs between $100,000 and $600,000 depending on the size of. Most projects average $100 to $300 per square foot.However, using high-end materials can increase costs to $500 per square foot.

Average Cost To Add A Second Story In 2025 Forbes Home

These two story home addition plans are perfect for homes that are already two stories, but need a 2 story extension of the existing house to make room for additional rooms and amenities Building a simple bonus room costs much less than doubling the home's square footage with a full second floor After entering labor costs, material expenses, permit fees, and any other.

Adding a Second Story to a House Costs, How to & Two Story Extension Ideas Architecture & Design. Include permit costs in your second story addition budget by entering the permit fees and any additional expenses related to obtaining the necessary permits On average, the cost to add a second story is $175,000, but it often ranges from $100,000 to $250,000 depending on the size, design, and other factors

SecondStory Additions in Toronto Options/Benefits/Cost/Process. A full second story addition costs $200,000 to $1,000,000+, depending on the square footage, features, and finishes The size of the addition and the home are the biggest cost factors, but homeowners will.