Thinking about building a home but can’t decide between one story and two? A 1.5 story house plan might be the answer.
This article covers everything you need to know about these designs. You’ll find popular styles like modern, farmhouse, and reverse layouts.
You’ll also get tips on sizes, features, and how to pick the right plan. These homes work well for families, aging-in-place living, and budget-focused builds.
By the end, you’ll know exactly what to look for.
What Are 1.5 Story House Plans?
A 1.5 story home blends first-floor living with extra upstairs space, giving you flexibility without the cost of a full two-story build.
In a 1.5 story home, most of your daily living happens on the ground floor. The main bedroom is often on the first floor too. The upper level is a half story. It uses the roofline to define its shape.
This upper space is great for extra bedrooms, a loft, or a bonus room. The ceilings upstairs are often sloped. Dormers are common. They let in natural light and add visual interest.
Compared to a two-story home, a 1.5 story design costs less to build. It also feels cozier and more connected. Compared to a single-story home, it gives you more room without taking up more land.
Popular 1.5 Story House Plan Styles
From clean modern lines to cozy farmhouse charm, these styles give you options that fit your taste and your lot.
Modern 1.5 Story House Plans
Modern plans focus on open layouts and clean design. Large windows bring in light. The main floor flows from the kitchen to the living area without walls in between.
Upstairs, you might find a loft or flex space. This works well as a home office, reading room, or play area.
Farmhouse 1.5 Story House Plans
Farmhouse plans have a warm, lived-in feel. Porches are common. High ceilings on the main floor make the space feel open.
These layouts are practical. The kitchen is often at the center. Bedrooms are easy to reach. The upper level adds room without changing the look of the home.
Reverse 1.5 Story House Plans
In a reverse plan, the master suite is upstairs. This gives it more privacy. The main floor holds the common areas.
Many reverse plans also include a walkout basement. This adds outdoor access and more usable square footage. It works well on sloped lots.
1.5 Story House Plans by Size and Layout
The right size depends on your lot, your budget, and how much space your family actually needs.
Small 1.5 Story House Plans
Small plans fall under 2,000 square feet. They work well on compact lots or in rural areas. These are good starter homes.
The layout is simple. The main floor has the key living spaces. The upper level adds one or two extra rooms. Construction is straightforward and costs less.
Mid-Size 1.5 Story House Plans
Mid-size plans range from 2,000 to 2,500 square feet. You get three to four bedrooms. Many include a bonus room above the garage.
These plans suit growing families well. There is room for everyone without the expense of a large home. The upper level can hold kids’ rooms, a home office, or a guest room.
Large 1.5 Story House Plans
Large plans offer four to five bedrooms. The upper floor has more flexibility. You might find a loft, extra bathrooms, or a hobby room.
These homes often feature the master suite on the main floor. The upstairs belongs to guests or family members. Basement options are common in this size range too.
Special Features to Consider
The right features can make your home more livable now and more valuable over time.
Bonus Rooms and Loft Spaces
Bonus rooms above the garage are popular. They sit just above the home’s footprint. You can use them as an office, guest room, or playroom.
Lofts are open spaces on the upper level. They work well as reading nooks or creative spaces. They also keep the home feeling open.
Master Suite Options
You have two choices. The master suite can go on the main floor or upstairs. Main floor placement is better for aging-in-place or if you want separation from the rest of the bedrooms.
Split bedroom layouts put bedrooms on opposite sides of the home. This adds privacy. It works well for families with older children or live-in guests.
Basement and Walkout Options
A basement adds square footage without changing the home’s footprint. It adds value too. You can finish it as a media room, gym, or extra bedroom.
A walkout basement connects to the yard through a sliding door or full-size door. This works best on a sloped lot. Reverse 1.5 story plans often use this feature well.
L-Shaped and Custom Floor Plans
L-shaped plans wrap around outdoor spaces. This creates a natural spot for a patio or garden. They also make good use of irregular lots.
Custom floor plans let you adjust the layout to your needs. You can move rooms around, change ceiling heights, or add more windows. Many builders offer this option.
Tips for Choosing 1.5 Story House Plans
These tips will help you pick a plan that fits your life, your lot, and your budget.
- Check your lot size before picking a footprint. A compact lot needs a smaller, more vertical plan
- Decide early if you want the master suite on the main floor or upstairs. This shapes the whole layout
- Think ahead. If you plan to age in place, keep key rooms on the ground floor
- Look for bonus rooms or lofts if you need flex space for work or guests
- Match the style to your surroundings. A farmhouse plan fits rural areas. A modern plan fits urban or suburban lots
- Set a clear budget before you start. Larger plans cost more to build and maintain
- Look for designs with high ceilings and good window placement. These make smaller spaces feel bigger
Conclusion
Honestly, choosing a home plan can feel like a lot to think through. I’ve seen so many people get overwhelmed by options.
But 1.5 story plans really do hit a sweet spot. They offer flexibility, smart use of space, and styles that suit almost any budget.
Whether you’re just starting out or planning your forever home, there’s a plan out there for you. Take a look at 1.5 story house plans online or reach out to a designer.
Drop a comment below and tell me what style caught your eye!
Frequently Asked Questions
What is a 1.5 story house plan?
A 1.5 story home has a full main floor and a partial upper level shaped by the roofline. The upper space is used for bedrooms, lofts, or bonus rooms.
Are 1.5 story homes more affordable than 2-story homes?
Yes, in most cases. They use less exterior wall space and have a simpler structure. This can lower both building and heating costs.
Can I have high ceilings and open-concept layouts?
Yes. Many 1.5 story plans include vaulted or high ceilings on the main floor. Open-concept kitchens and living areas are very common in these designs.
How do reverse 1.5 story house plans work?
In a reverse plan, the master suite moves to the upper level for added privacy. The main floor holds shared living spaces, and a walkout basement is often included.
What size is best: small, mid-size, or large?
It depends on your family size and budget. Small plans work for couples or first-time buyers. Mid-size suits growing families. Large plans fit those who need more rooms and flexibility.
