Patio Extension: Extending Roof Over Patio Ideas

You can extend a roof over your patio for aesthetic and functional reasons. This overhead structure is an important yet often overlooked aspect of outdoor living.

A roof extension over the patio protects the patio from the elements, enhances your curb appeal, and offers more privacy. You’ll also boost your home’s market value by extending a roof over your patio. 

Patio extension

What are the benefits of Extending a roof over the patio?

Here’s a brief overview of why you should consider extending a roof over your patio:

  • Protection from the elements- with a patio roof, you can still enjoy outdoor living while protected from rain, harsh sunlight, and snow. Moreover, it protects your patio furniture from discoloration due to the sun’s UV rays.
  • Improved curb appeal- patio roofs provide a charming touch to your yard by adding texture and dimension. This structure improves the overall visual appeal of yards.
  • More privacy- patio awnings provide an extra layer of privacy against neighbors’ security cameras and drones. With this structure, you can relax outdoors without worrying about privacy invasion.
  • Boost the value of your property- a Beautifully designed patio roof adds architectural interest and luxurious touch to your outdoor space. As such, it increases your home’s market value increases due to the current demand for stylish outdoor living areas.

Planning and design considerations for extension patio roof ideas

Planning and designing the patio extension you intend to install in advance is essential for the perfect balance of functionality, comfort, and elegance. Consider the following ideas when planning and designing your patio roof:

  • The field of view- if you want an unobstructed view of the natural elements within your frame of view, consider how you can modify your patio awning to accommodate the same. For instance, you can install skylights on the patio roof for breathtaking sky views at night.
  • The construction materials- the type of material you use to construct your patio roof affects the overall aesthetic. A wooden roof evokes the natural world and stays in tune with your yard’s natural elements. Meanwhile, a steel roof gives off a modern vibe. It’s all about personal preference.
  • The roof design load- you must consider the roof design load (dead load and live load) to build a structure that’s stable enough to withstand wind and the weight of snowfall.
  • Color choices- ensure the color of your patio roof fits in seamlessly with the color scheme of surrounding outdoor structures for aesthetic purposes.

Materials needed for roof extension over patio 

The most common materials used to make roof extensions over patios include wood, metal, and fiberglass. Here’s a general overview of these materials:

  • Wood- wooden patio roofs are common. You can install a plywood roof and reinforce it with metal, wood shingles, or a trellis patio cover using lattice wood. Wooden roofs require frequent maintenance to withstand the weather over time continually.
  • Metal- a patio roof with metal panels requires less maintenance than wood. They are often sold with heavy-duty PVC frames as part of a patio kit for easy installation.
  • Fiberglass- translucent fiberglass can be a patio roof when installed over a wooden or metallic frame. It lets in light into the patio while keeping off harmful UV rays.

Note: Other less common patio roofing materials include asphalt shingles, polycarbonate roofing, and tile roofing. 

A step-by-step guide to building a roof extension over a patio

Follow the steps detailed below to construct a roof extension over your patio successfully:

  1. Consider the size and location of the project- check whether the available space is enough to accommodate the patio roof you plan to build. You may also have to obtain permits from local building authorities.
  2. Establish a plan- measure the area and plan for the roof dimensions, design, and type of roofing materials. For instance, the roof design can be a gable, hip, flat, or shed roof.
  3. Prep the area- clear the patio and its surrounding areas before you start constructing the patio awning. Also, gather the necessary materials, such as the support posts, roof beams, and wood panels, as well as the necessary tools and supplies, such as hammers, nails, screws, etc.
  4. Install the support frames- the support posts are the foundation structures that will stabilize the patio roof. Whether you’re going for a metallic, wooden, or PVC frame, ensure it’s strong enough to support the weight of the roof.
  5. Install the roof beams- the roof beams should be level and securely attached to the frame to provide a proper structure to the roof panels.
  6. Install the roof panels- ensure you securely attach the roof panels to the roof beams. Also, overlap them to prevent water leakage into the patio.
  7. Install finishing touches- these include gutters and downspouts to protect the new patio roof from water damage.

Expert Tip: Maintenance and care tips for patio extension

  • Remove excessive snow buildup, as heavy snow can cause damage to your patio roof.
  • Use soapy water to occasionally clean your patio roof to remove dirt and grime buildup.
  • Do not wash your patio roof within two days of installation, as the sealing agents won’t have cured yet.


  • How much does a patio roof extension cost

Building a patio roof typically costs between $3000-$10,000. However, in DIY cases, the cost can be as low as $200.

  • How to pour a concrete patio extension

After preparing the sub-base and installing the concrete forms and steel reinforcement, mix up and pour your concrete.

  • How can I extend my patio cheaply?

You can extend your patio cheaply by doing it as a DIY project. It costs significantly more to hire a professional.

  • Can I extend my patio myself?

You can extend your patio by yourself, but you must follow the proper procedure to ensure the patio is stable and safe.

  • Does a patio extension add value?

A patio extension adds architectural interest to your outdoor space, thus boosting your home’s market value.

  • Is a patio cheaper than a deck?

Patios are typically cheaper than decks, but the latter has a greater return on investment.


Summary/ conclusion

Adding a roof over your patio makes your outdoor space more livable by offering protection against the elements. It also enhances the home’s curb appeal. Whatever your reasons are, you can never go wrong with a roof extension over your patio.


  1. Jeff Morrell- Oregon State University Extension: Care and maintenance of wood shingle and shake roof

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