12x20 back porch

12x20 Back Porch Design Ideas & Plans

By Anthony Jones
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Let's dive into a popular home improvement project: building a 12x20 back porch that not only expands your living space but also enhances the value and aesthetics of your home.

Before we delve into the details, let's consider why a 12x20 back porch is a great choice. This size offers ample space for furniture, entertainment areas, and even storage. It's perfect for creating a cozy outdoor retreat that blends elegantly with your indoor living space.

Designing Your 12x20 Back Porch

Designing a 12x20 back porch begins with determining your needs and style. Are you looking for a serene space to unwind, or a lively area to host gatherings? Do you prefer a modern, rustic, or cottage-style porch? The answers to these questions will guide your design decisions.

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Mondawe 12x20FT Wall Mounted Gazebos Pergola with Built in Grey | Mathis Home
Mondawe 12x20FT Wall Mounted Gazebos Pergola with Built in Grey | Mathis Home
a small house with porch and covered patio
a small house with porch and covered patio
the plans for an outdoor pavilion are shown in three different stages, including construction and assembly
the plans for an outdoor pavilion are shown in three different stages, including construction and assembly

Additionally, consider the existing architecture of your home. Your new porch should complement and enhance your home's curb appeal, not clash with it.

Flooring Options

Choosing the right flooring material is crucial for both aesthetics and durability. Popular options include wood, composite, and concrete materials.

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Recon Deck Plan: Multi-Level Porch and Backyard Layout
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12' x 20' Meridian Mosquito Mesh Kit – Premium Phifer UV-Resistant Mesh with Easy Glide Tracks and Full-Length Zippered Panels
Jolydale Soild Wood Frame Hardtop Gazebo With Galvanized Steel Peak Roof, Suitable For Patios, Lawn And Backyard & Reviews | Wayfair
Jolydale Soild Wood Frame Hardtop Gazebo With Galvanized Steel Peak Roof, Suitable For Patios, Lawn And Backyard & Reviews | Wayfair

Natural wood provides a classic, warm look, but requires regular maintenance. Composite materials, often made from recycled plastic and wood fibers, offer a low-maintenance alternative that mimics the look of wood. Concrete, especially when stained or stamped, can create an elegant, durable surface.

Roofing and Coverage

Roofing for your 12x20 back porch serves a practical purpose—protecting your porch furniture and providing shade—but it also significantly impacts your porch's overall appearance. Common options include open rafters, solid roofs, and screened-in porches.

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An open rafter design allows for plenty of air circulation and a lighter, more airy feel, while a solid roof provides maximum protection from the elements. Screened-in porches offer shade and protection from insects.

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17 Smart Back Screened-In Porch Ideas
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12x20 Vinyl Caribbean Pavilion | Lancaster County Backyard
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12x20 Cape Cod Shed With Porch Plans
a covered patio with lights on the roof and furniture in the back yard at dusk
a covered patio with lights on the roof and furniture in the back yard at dusk
MONDAWE 12x20ft Hardtop Gazebo | Mathis Home
MONDAWE 12x20ft Hardtop Gazebo | Mathis Home
12X24 Everyday Backyard Shed Package XL Located in Yankton South Dakota
12X24 Everyday Backyard Shed Package XL Located in Yankton South Dakota

Building andPermitting Your Porch

Once you've finalized your design, it's time to start building. If you're a seasoned DIYer, you might tackle this project alone. However, for most people, hiring a professional is a safer and more efficient approach.

Before construction begins, it's essential to obtain the necessary permits. The exact requirements vary depending on your location, so check with your local zoning department and permit office to ensure you're following all regulations.

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Materials and Costs

The cost of building a 12x20 back porch can vary greatly depending on the materials used, your location, and whether you hire a professional. On average, you can expect to spend between $5,000 and $15,000 for construction and materials alone.

a white house with a metal roof and wooden decking on the front porch area
a white house with a metal roof and wooden decking on the front porch area
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20 Mobile Home Porch Ideas to Boost Curb Appeal
OZCO Project 12x20 Pavilion With 6x6 Posts #216
OZCO Project 12x20 Pavilion With 6x6 Posts #216
a covered patio with ceiling fans and a flat screen tv mounted to the side of it
a covered patio with ceiling fans and a flat screen tv mounted to the side of it
an outdoor kitchen and living room are lit up at night
an outdoor kitchen and living room are lit up at night
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DIY Screen Porch Ideas: Step-by-Step Guide to Build Your Own Outdoor Retreat
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Ranch Shed
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20 Raised Ranch Front Porch Ideas for Curb Appeal
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12x20 Lean to Patio Cover Plans - PDF Download
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Planning for a 12' x 20' Timber Frame Over-sized DIY Pergola

Materials typically include framing lumber, roofing materials, flooring, and hardware. Don't forget to factor in the cost of painting, staining, or applying sealant, as well as any decorating or furniture you'd like to add.

Budget-Friendly Tips

To keep costs manageable, consider these budget-friendly tips:

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  • Choose affordable, durable materials
  • Opt for an open rafter design to reduce the need for roofing materials
  • Do some of the labor yourself, if you're able
  • Buy materials during the off-season to take advantage of sales

Remember, a 12x20 back porch is more than just an addition to your home; it's an extension of your living space. With careful planning and thoughtful design, you can create a porch that's not only functional and durable but also a beautiful feature of your home.

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