3 Sided Fireplace Ideas for Indoor Spaces

Hamilton Jul 01, 2026

Imagine transforming your indoor space into a cozy, inviting haven with a captivating centerpiece: a three-sided fireplace. This unique design not only provides warmth and ambiance but also adds a striking architectural element to your home. Let's explore some inspiring ideas to help you incorporate this stunning feature into your living space.

a flat screen tv mounted above a fire place
a flat screen tv mounted above a fire place

Three-sided fireplaces, also known as see-through or peninsula fireplaces, offer a versatile and eye-catching solution for open-concept homes or rooms with distinct zones. By allowing heat and light to flow freely, they create a cohesive and welcoming atmosphere. Now, let's dive into some creative ways to integrate this design into your indoor space.

22 Modern 3-Sided Fireplace Ideas for Open Spaces - Lost At E Minor
22 Modern 3-Sided Fireplace Ideas for Open Spaces - Lost At E Minor

Designing Around the Fireplace

When planning your three-sided fireplace, consider the layout and flow of your room. This central feature can serve as a natural divider or a focal point, depending on your needs. Here are some design aspects to keep in mind:

a fireplace in the middle of a living room with wood flooring and ceiling beams
a fireplace in the middle of a living room with wood flooring and ceiling beams

1. **Placement and orientation**: Determine the best location for your fireplace based on your room's layout and the desired flow. Consider placing it between two distinct zones, such as a living room and dining area, to create a seamless transition between spaces.

Fireplace Surrounds and Mantels

75 Traditional Living Space Ideas You'll Love - August, 2025
75 Traditional Living Space Ideas You'll Love - August, 2025

Enhance the visual appeal of your three-sided fireplace with a stunning surround or mantel. These elements can be crafted from various materials, such as stone, brick, or wood, and can be designed to complement your room's overall aesthetic. Consider the following ideas:

1. **Natural stone**: For a rustic or contemporary look, opt for a stone surround. This material offers a range of colors and textures that can add depth and character to your fireplace.

2. **Brick**: A brick surround provides a classic, timeless appeal. You can choose from various brick types and patterns to create a unique look that suits your space.

a modern living room with a fireplace in the center and large windows on both sides
a modern living room with a fireplace in the center and large windows on both sides

3. **Wood**: A wooden mantel and surround can add warmth and charm to your room. Consider using reclaimed wood for an eco-friendly and rustic touch.

Fireplace Inserts and Surrounds

To maximize the visual impact of your three-sided fireplace, choose an insert and surround that complement each other. Here are some combinations to consider:

Montigo RP424 Peninsula — the fireplace specialist
Montigo RP424 Peninsula — the fireplace specialist

1. **Contrasting materials**: Pair a dark stone or brick surround with a light-colored insert, or vice versa, to create visual interest and balance.

2. **Matching materials**: For a cohesive look, use the same material for both the insert and surround. This approach can create a sleek, modern aesthetic.

a modern fireplace in the middle of a living room
a modern fireplace in the middle of a living room
75 Living Room Ideas You'll Love - July, 2025
75 Living Room Ideas You'll Love - July, 2025
24 3-Sided Fireplace Ideas: Modern Hearth Designs for Any Room
24 3-Sided Fireplace Ideas: Modern Hearth Designs for Any Room
3 sided fireplace
3 sided fireplace
a living room with a stone fireplace and bookcases
a living room with a stone fireplace and bookcases
Fireplaces
Fireplaces
17+ Stylish Room Divider Fireplace Ideas
17+ Stylish Room Divider Fireplace Ideas
Impressive Climate Control
Impressive Climate Control
a large stone fireplace in a living room
a large stone fireplace in a living room
3 Sided Fireplace - Photos & Ideas
3 Sided Fireplace - Photos & Ideas
a living room filled with furniture and a fire place in the middle of a room
a living room filled with furniture and a fire place in the middle of a room
45 Gorgeous Double Sided Fireplace Ideas - Design Swan
45 Gorgeous Double Sided Fireplace Ideas - Design Swan
Dimplex Ignite XL Bold 3-Sided Built-In Electric Fireplace - 60 Wide
Dimplex Ignite XL Bold 3-Sided Built-In Electric Fireplace - 60 Wide
a living room with two couches and a fire place in the middle of it
a living room with two couches and a fire place in the middle of it
a living room filled with furniture and a fire place in front of a large window
a living room filled with furniture and a fire place in front of a large window
Three sided fireplace
Three sided fireplace
a stone fireplace in the middle of a room with glass doors leading to an outside deck
a stone fireplace in the middle of a room with glass doors leading to an outside deck
a living room with a fire place in the center and a large window behind it
a living room with a fire place in the center and a large window behind it
a living room filled with furniture and a fire place in the middle of it's wall
a living room filled with furniture and a fire place in the middle of it's wall

Styling and Decorating Around the Fireplace

Once your three-sided fireplace is installed, it's time to style and decorate the surrounding space to create a cohesive and inviting atmosphere. Here are some tips for decorating around your fireplace:

1. **Symmetrical balance**: Arrange furniture and decor symmetrically around the fireplace to create a harmonious and well-balanced look. This approach can help emphasize the central feature of your room.

Choosing a Fireplace Screen

A fireplace screen serves both functional and decorative purposes. When selecting a screen for your three-sided fireplace, consider the following factors:

1. **Material**: Choose a screen material that complements your room's aesthetic. Options include glass, metal, or mesh, each offering a unique look and level of heat resistance.

2. **Design**: Opt for a screen design that enhances the overall appearance of your fireplace. Consider the shape, pattern, and finish to ensure it aligns with your room's style.

Decorating the Mantel

The mantel provides an ideal surface for displaying decorative items and creating visual interest. Here are some ideas for styling your mantel:

1. **Artwork**: Hang a piece of art or a gallery wall above the mantel to create a focal point and add personality to your space.

2. **Candles and greenery**: Arrange candles and potted plants or flowers on the mantel to create a warm, inviting atmosphere. This combination can also add height and texture to your display.

3. **Books and objects**: Stack books or display collectibles and decorative objects on the mantel to showcase your interests and add character to your room.

Incorporating a three-sided fireplace into your indoor space can transform your living area into a cozy, inviting haven. By considering the design, placement, and styling of this captivating feature, you can create a stunning centerpiece that enhances the overall aesthetic of your home. So, start exploring these inspiring ideas and bring the warmth and ambiance of a three-sided fireplace into your space today.