1.5 Story House Plan Collection by Advanced House Plans (2024)

You’ll find many definitions of 1.5 story house plans. People often ask, “what is the difference between a 1.5 and 2 story home”. While there are many differences, the primary difference is the location of the master bedroom.

1.5 story floor plans generally have the master suite and the main living spaces on the main level and additional bedrooms on the second level. This provides the benefit of easy access to the master with no stairs compared to a 2-story home with the master on the second floor. You may also hear these plans referred to as main-level master floor plans.

Since the main level is typically much larger due to the main floor master bedroom, 1.5 story home plans take advantage of the excess space under the rafters to prevent having to add full second story walls when building the home. That is where the .5 comes into the name. If the home is designed correctly, this can be a great and efficient way to build a home.

Larger 1.5 story homes include massive great rooms, bonus rooms, and walkout basem*nts to maximize the living space.

Check out our large collection of 1.5 story floor plans to find your dream home!

More Information

All of our floor plans are designed in-house and come with various options to make your dream home custom to you.

House Plan Modifications

Since we design all of our plans, modifying a plan to fit your need could not be easier. Click on the plan, then under the image, you'll find a button to get a 100% free quote on all plan alteration requests. Our plans are all available with a variety of stock customization options.

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1.5 Story House Plan Collection by Advanced House Plans (2024)

FAQs

Is it cheaper to build a 1.5 story house? ›

Is it Cheaper to Build a 1 1/2 Story House? Surprisingly, a 1.5-story home can cost more than either a one- or two-story house. Just like a one-story home, a 1.5 story house needs a generously sized foundation. Although the first floor is large, the second floor isn't quite as spacious.

What is the difference between a 1.5 story and a 2 story home? ›

What is the difference between a 1.5 and a two-story home? A two-story home has all bedrooms, including the master suite on the second floor. A 1.5-story home has the master bedroom on the first floor, with bonus space and high ceilings in the main living area.

What are the advantages of a 1.5 story house? ›

The Benefits of One and A Half Story Houses
  • Let the kids work out the excess energy on the stairs.
  • Let your bedroom be your sanctuary.
  • The higher ceiling helps to open up the space and make an elegant, inviting scene.
  • You might even create a lofted nap area.
Feb 15, 2020

What does a 1.5 story home look like? ›

One and a half story home plans place all main living areas and usually also the master suite on the first floor. Additional rooms and/or loft space for children, visitors, and flex use are placed upstairs to help provide more square footage without expanding the size of the home's footprint.

What is the cheapest size house to build? ›

On a per-square-foot basis, pole barn houses and barndominiums are the most affordable at around $50 to $160 per square foot. Other inexpensive home types include modular homes, tiny homes, shipping container homes, and standard one-story ranch homes.

Which house design is the most economical to build? ›

We compiled a list of the least expensive types below if you're looking to save the most money when building a new home.
  • Ranch-style homes.
  • Colonial homes.
  • Tiny homes.
  • Kit homes.
  • Off-grid homes.
  • Prefabricated homes.
  • Shipping container homes.
  • Barndominiums.
Mar 6, 2024

Is it less expensive to build a one-story house or two story? ›

Our customers often ask us this question, so we decided to do an quick analysis on floor plan cost to build based on the number of floors. We analyzed our library of one-story and two-story plans to compare costs and found that two story plans are 14% more affordable to build per square foot on average).

What is another name for 1.5 story house? ›

This style could also simply be called a “half story house”.

How tall is a 1.5 story house? ›

How tall is a one and a half story house? Since 1.5-story house plans have a part of their home that's 2 stories tall, they're typically around 20 feet tall at the tallest point of the house.

What is the best size house? ›

Square Footage

Visualizing the square feet of a room or house that matches your family size can help you choose the right home size. On average, the ideal square footage is about 600 – 700 square feet per person. That means a family of three will want a house that's at least 1,800 square feet.

What size house is good for one person? ›

How To Calculate What Size House You Need
Number of PeopleSquare Footage
1600 sq. ft.
21,200 sq. ft.
31,800 sq. ft.
42,400 sq. ft.
Oct 27, 2022

Why are 2 story homes cheaper? ›

More recently, the difficulty of getting permits for new developments and the cost of land has encouraged two-stories, and frequntly townhomes. This is not a bad thing. If the square footage of both is equal, then yes the single story costs more.

What is the difference between a 1.5 story home and a 2-story home? ›

In a 1.5 story home the main level is larger than the upper level. It is common to have dormers or gable ends that feature sloped ceilings with windows. In a 2-story home the upper level is the same size or larger than the main level and will feature full height ceilings throughout.

What is a reverse 1.5 story house? ›

A reverse is like a ranch in disguise! Imagine your typical 1.5 style floor plan but, in a reverse-style floor plan, the additional bedrooms are in the basem*nt instead of the 2nd story. With this information in mind, you might be wondering which floor plan style is best for you.

Is a 1500 square foot house considered small? ›

Is a 1,500 sq. ft. house small? No, this size home is typically considered “midsize.” A 1,500-square-foot house plan is a great fit for small families or couples planning to start a family.

Is it less expensive to build a one story house or two story? ›

Our customers often ask us this question, so we decided to do an quick analysis on floor plan cost to build based on the number of floors. We analyzed our library of one-story and two-story plans to compare costs and found that two story plans are 14% more affordable to build per square foot on average).

Is it cheaper to build 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.

Is it less expensive to build up or out? ›

In general, building up tends to be less costly than building out. When you factor in things like digging and pouring a new foundation, building out typically carries a higher price tag (though this isn't always true, and certainly depends on the size of the room and its purpose).

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