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How to Plan the Perfect Primary Bedroom

The primary bedroom is the heart of a home’s private space. As the largest and most comfortable bedroom, it should be both functional and inviting.

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3D floor plan of a modern primary bedroom with a double bed centered against the left wall, flanked by two nightstands. The room includes a walk-in closet on the left, a bench at the foot of the bed, and a sitting area with a green armchair and side table on the lower right. Light wood flooring and neutral rugs complete the design.
Trude Carlsen
By Trude Carlsen
Published September 29, 2025

The primary bedroom is often the largest and nicest bedroom in a house or apartment.

Ideally, it's a beautiful, well-designed space in which the owner(s) of the property can wake up, prepare for their day, and return for rest and relaxation.

A basic primary bedroom floor plan will include a bedroom, closet space, and may have an attached bathroom.

The possibilities from there are virtually endless. A luxurious primary bedroom suite may include his and her walk-in closets, a sitting area, a fireplace, and access to the outdoors via either a balcony or a patio.

In the bathroom portion of a high-end master suite, you may see a double sink, a soaking bathtub plus a shower, a separate toilet room, and much more.

Typical Primary Bedroom Size

The average primary bedroom size is close to 300 square feet (approx. 28 m2) and gets smaller or larger depending on the size of the home - the size is closer to 200 square feet (18 m2) for smaller homes and closer to 400 square feet (37 m2) for larger homes.

If you plan to choose a king-size bed, you'll need a minimum size of about 12 x 10 ft (4 x 3.5 m), but that will be a tight squeeze as far as adding much other furniture.

Luckily, the average size primary bedroom is close to 14 x 20 feet (4 x 6 m), which can accommodate a large bed, nightstands, plus a dresser, chair, and even other pieces of furniture.

2D black-and-white bedroom floor plan measuring 14’6” by 13’1”. The layout includes a double bed in the center with nightstands, a bench at the foot of the bed, and a sitting area with a chair and side table. A 67 sq ft walk-in closet is shown on the left, and the main bedroom area measures 173 sq ft.

Layout Tips

Bed placement and nightstands

A typical primary bedroom will include a king- or queen-size bed, whose location is often dictated by the placement of doors and windows.

Make sure the plan allows a good spot for the bed, ideally with enough space for a nightstand on each side.

For smaller rooms, consider beds with built-in nightstands.

3D floor plan of a small bedroom with a double bed placed against the top wall, decorated with patterned bedding and multiple pillows. The room features light wood flooring, a wooden chest at the foot of the bed, a white armchair with a round side table on the right, and plants near the windows on both sides.
Square Primary Bedroom

Designing for two people

Since primary bedrooms are often shared, think through how both people will use the space.

If one person gets up earlier, a layout with a vestibule entrance can allow access to the bathroom and closet without disturbing the other person’s sleep.

Creating a retreat or multi-use space

Will your bedroom be a true retreat where you can read or relax by a fire? If so, look for space in the layout to create a cozy nook with a couple of chairs, a sofa, or a chaise.

If your bedroom needs to double as a home office or even a small gym, make sure the floor plan accommodates these uses.

3D floor plan of a colorful bedroom with a double bed against the top wall, decorated with a yellow, teal, and white chevron-patterned bedspread. The room includes nightstands on both sides of the bed, two closets with hanging clothes, and a cozy sitting area on the left with a beige armchair, shaggy rug, and a potted plant. Light wood flooring and yellow walls complete the design.
Primary Bedroom with Lounge Area

Balancing space and function

If both people follow similar routines, or if the home is smaller, the area used for a vestibule may be better allocated to expand the bedroom, closet, or bathroom.

Consider how to best use the available square footage for your lifestyle.

The Primary Bathroom and Closets

As far as the layout for the primary bathroom, with some planning, you can create a pleasurable space in which to complete your grooming activities.

From shaving and brushing teeth to applying makeup and drying hair, to soaking in a deep bathtub, or doing a manicure - what are your top wants and needs?

During the design phase, consider what's most important to you and ensure that you have good lighting and mirrors, easy access to power, and convenient locations and storage so that you can perform your grooming activities easily and pleasurably.

For the closet space, do you prefer his and her closets, so that you don't have to see your partner’s organization system (or lack of one!). Or will one shared closet work for your needs?

Tablet view of the RoomSketcher app displaying a 2D floor plan of an apartment layout with labeled rooms and dimensions, including Living Room, Kitchen, Dining Room, Bedroom, Bathroom, Laundry, Closet, Hall, and Balcony. The right side shows a scrollable library of door styles available for placement in the design.

Create Your Bedroom with RoomSketcher

With RoomSketcher, you can design and visualize your layout quickly and accurately, giving you confidence in your choices before you commit.

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