Average Back Porch Dimensions: A Comprehensive Guide

Joan Aug 08, 2026

Ever wondered about the average size of a back porch? Whether you're considering a new build or remodeling your home, understanding typical dimensions can help you plan effectively and set realistic expectations. Let's delve into the average back porch dimensions, exploring standard sizes, factors influencing the size, and some creative layout ideas.

Back porch dimensions layout floorplan
Back porch dimensions layout floorplan

A back porch serves myriad purposes - extending your living space, creating a seamless transition between indoors and outdoors, or simply providing an inviting spot to relax and unwind. But what size should you aim for? Let's break down the average back porch dimensions and discuss the key aspects to consider.

What is the Standard Size of a Porch?
What is the Standard Size of a Porch?

Average Back Porch Dimensions

Let's first look at the most common dimensions for back porches. These sizes cater to various home styles and uses, from compact balconies to expansive patio coverings.

Patio Size (Average & Covered Patio Dimensions Guide)
Patio Size (Average & Covered Patio Dimensions Guide)

On average, a back porch measures around 16 feet in depth and 10 feet in width. However, this can vary greatly depending on the home's size and layout. You might find:

  • Smaller porches - typically ranging from 8 x 10 to 12 x 16 feet - suitable for narrow lots or more compact homes.
  • Medium-sized porches - typically ranging from 14 x 12 to 16 x 20 feet - a common choice for many homeowners looking to balance functionality and aesthetics.
  • Larger porches - typically ranging from 18 x 20 feet and up - often found in spacious homes or those with a focus on outdoor living.
Mikael’s Backyard Dream: 10 Outdoor Woodworking Pr
Mikael’s Backyard Dream: 10 Outdoor Woodworking Pr

Factors Influencing Back Porch Size

The size of your back porch will be largely determined by the physical constraints of your property and your specific needs. Consider the following factors:

  1. Lot size - Larger lots can accommodate more substantial porches, while smaller lots may necessitate more compact designs.
  2. Home size - Larger homes typically have more square footage to dedicate to outdoor living spaces.
  3. Budget - Larger porches come with a higher price tag, so it's essential to consider your budget when planning.
  4. Lifestyle and usage - If you enjoy entertaining, consider a larger porch. For those who prefer cozy, intimate spaces, a smaller porch might be perfect.
Maquoit Bay Residence ⋆ BRIBURN Architecture
Maquoit Bay Residence ⋆ BRIBURN Architecture

Creative Layout Ideas for Small Porches

If you're working with a smaller back porch, don't despair. Here are some layout ideas to help you maximize your space:

  • Multipurpose design - Combine functionality with a folding table or a two-in-one sofa/bed to adapt your space for various activities.
  • Vertical gardening - Add visual interest and greenery with wall-mounted plants or hanging planters.
  • Built-in seating - Incorporate built-in benches or a wrap-around banquette to save space and increase seating.
Chic Back Porch: Budget Sunroom & Veranda Ideas
Chic Back Porch: Budget Sunroom & Veranda Ideas

Designing Your Back Porch

Once you've decided on the size of your back porch, it's time to think about design. Consider the following aspects to create a functional and visually appealing space:

several different types of wooden boats are shown
several different types of wooden boats are shown
Premium 16'x10' Porch Deck Blueprints, Deck Plans: Expert Designs for Your Dream Outdoor Space - Etsy
Premium 16'x10' Porch Deck Blueprints, Deck Plans: Expert Designs for Your Dream Outdoor Space - Etsy
a wooden porch with stairs leading up to it
a wooden porch with stairs leading up to it
Far More, Exterior Renovation, Outdoor Rooms, Curb Appeal, Porch, Beams, Living Spaces, Exterior, Patio
Far More, Exterior Renovation, Outdoor Rooms, Curb Appeal, Porch, Beams, Living Spaces, Exterior, Patio
What is the Standard Size of a Porch?
What is the Standard Size of a Porch?
average back porch dimensions
average back porch dimensions
a house with a covered patio in front of it and landscaping around the back yard
a house with a covered patio in front of it and landscaping around the back yard
20x10 Porch Deck Plans | DIY Backyard Blueprint, Material List (permit Ready) - Etsy
20x10 Porch Deck Plans | DIY Backyard Blueprint, Material List (permit Ready) - Etsy
a white house with a large flower pot on the front porch
a white house with a large flower pot on the front porch
two different types of porchs and patio
two different types of porchs and patio
Covered Porch
Covered Porch
a small house with porch and screened patio
a small house with porch and screened patio
How much does a screened in porch really cost?
How much does a screened in porch really cost?
Backyard Deck Ideas with Screened Porches
Backyard Deck Ideas with Screened Porches
25+ Layout Ideas for Backyards That Nail the Chill Zone Aesthetic
25+ Layout Ideas for Backyards That Nail the Chill Zone Aesthetic
a covered patio with chairs and table in front of a house
a covered patio with chairs and table in front of a house
Screened Porch Addition - White Colonial Home With Stone Patio and Garden Beds
Screened Porch Addition - White Colonial Home With Stone Patio and Garden Beds
a house with a covered porch and stairs
a house with a covered porch and stairs
How To Screen In A Porch With Easy DIY Budget Screened In Porch Tips
How To Screen In A Porch With Easy DIY Budget Screened In Porch Tips

Flooring - Choose durable, low-maintenance materials like composite decking, concrete pavers, or natural stone to withstand foot traffic and weather changes.

Shading - Install a pergola, awning, or retractable roof to provide relief from the sun, especially for larger porches.

Lighting - Layer your lighting with overhead fixtures, string lights, and floor lamps to create ambient and task lighting for various activities.

Furniture - Select comfortable, weather-resistant furniture that suits your lifestyle and porch size, from compact bistro sets to lavish outdoor sectionals.

Decor - Add personal touches with outdoor rugs, pillows, and decorative accents to make your porch feel like an extension of your indoor living space.

Permits and Building Codes

Before breaking ground, ensure you understand and follow local building codes and obtain the necessary permits. This includes adhering to setback requirements, reviewing restrictions on deck size and height, and ensuring your structure is safe and up to code.

Your back porch should be a space where you can relax, connect with nature, and create lasting memories. By understanding average back porch dimensions, considering your functional needs, and investing in thoughtful design, you can transform your porch into an oasis that truly enhances your home and lifestyle.

Ready to bring your back porch dreams to life? Start exploring design ideas, consulting local professionals, and planning your project today.