how much do real estate agentsmake

2-Story Rear Home Addition (12-18 weeks)

Some opt for a gameroom or, depending on their home's existing space and their remodeling budget, more bedroom and bathroom spaces on the second floor. As the scope of a second story addition is so large, this timeline could require 12-18 weeks of construction.

Is it cheaper to add a second story or build out?

Is it cheaper to add a second story or build out? Second stories typically cost less than building out, but this depends on the scope of the design. However, you may still have to fortify your foundation when building a second story, so be sure to speak with a structural engineer before clarifying your budget.

How much does it cost to add 1000 square feet to a house?

House Addition Cost per Square Foot

SizeAddition Cost
500 sq.ft. (25' x 20')$50,000 - $150,000
600 sq.ft. (30 x 20')$60,000 - $180,000
800 sq.ft. (40' x 20')$80,000 - $240,000
1,000 sq.ft. (25' x 40')$100,000 - $300,000

Can my foundation support a second story?

How do you know if your foundation can support a second story? The only way to be sure about the strength of your home's foundation is to hire an engineer to do a structural assessment of your home and determine what reinforcements will be needed to carry the additional weight of a second-story addition.

Can you live in house during second story addition?

Your second-story contractor should have a rough idea about this. However, if it's a partial second-story project and the work area can be sealed off, then you might stay in your home.

How much does it cost to pop the top of a house?

Full Addition Cost

A full addition creates an entire second floor of the home, removing the entire roof and building on the full size of the home. The average cost of adding a full second story to your home ranges from $100,000 to $600,000 or more.

How hard is it to add a second story to a house?

Adding a second story to a house is a complex, involved process. You might want to DIY to save on the cost of a second floor addition, but you will almost inevitably need to bring in professionals at some point, potentially even to undo mistakes you've made.

Frequently Asked Questions

What increases home value the most?

8 ways to increase the value of your home
  • Clean and declutter.
  • Add usable square footage.
  • Make your home more energy-efficient.
  • Spruce it up with fresh paint.
  • Upgrade your exterior doors.
  • Give your kitchen an updated look.
  • Stage your home.
  • Personal loan.

How much does square footage add to home value?


According to a study for the National Association of Realtors, every 1,000 of square feet added to a home increases its sale price by at least 30%! Estimates of room additions vary widely depending on location and complexity.

How much cost to extend build 2 story top on cape house 1400 sq

A second-story addition costs between $100 and $300 per square foot on average, but complex projects with high-end materials could reach as high as $500 per 


What is the average construction time to add a second story

Apr 20, 2023 — A typical second story that includes a least a bedroom and a bathroom takes at least three to five months, according to Los Angeles-based 

What is the least expensive way to add on to a house?
Bump-out. Bumping out a wall within an existing room is one of the most common ways to add living space to your home. A bump-out, also known as a micro-addition, is usually cheaper than a brand new room because it doesn't require additional supports or changes to the home's foundation.

What is the average construction time to add a second story

Is adding on to your house worth it?

As a general rule, it is worth it to put an addition on your house. Of course, everyone may have a different experience. We've outlined a few scenarios in which addition construction is an extremely practical option. People are unique, which is why homes come in all shapes and sizes.

Can you make a 1 story house into a 2 story?

Design. There are a few options for adding a second story. Option 1: Remove the roof, frame the new second floor over the existing footprint, and build a new roof. Sometimes the roof can be lifted off intact with a crane and then brought back when the new walls are framed, which may save you money.

Leave A Comment

Fields (*) Mark are Required