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18×12 Timber Frame Pavilion

18x12 Timber Frame Pavilion ISOMETRIC

This beautifully proportioned 18×12 Timber Frame Pavilion fits effortlessly into any outdoor space while delivering unmatched versatility. Whether you’re envisioning an open-air dining area, a cozy garden workshop, or a relaxing backyard retreat, this frame provides just the right balance of size and style. Showcase your craftsmanship through gracefully curved braces and embellished rafter ends—details that turn heads and spark conversations.

One Pavilion, Two Great Options

Your plan purchase includes two complete sets:

  • Standalone Pavilion:
    Ideal as a freestanding centerpiece in your landscape.
  • Attached Porch:
    Perfectly designed to integrate seamlessly against your home, creating instant covered outdoor living.

Either option provides a clear, uninterrupted floor space thanks to its single-bay design, ensuring maximum usability.

Compact Dimensions, Generous Details

  • Footprint: 18' × 12' (outside-to-outside of posts)
  • Roof Pitch: Attractive 8:12 pitch, shedding water effectively
  • Ceiling Height: Plate height 9'–3", Ridge height 17'–7"
  • Overhangs: Two-foot overhangs offer extra weather protection and elegant proportions
  • Timbers Included: Sturdy 8×8, 8×10, 6×8, and 6×10 timbers

Buy This Plan

This plan provides detailed, easy-to-follow blueprints, perfect for anyone building their own timber frame.

Buy Plans $97

Customize or Kit

Do you like this plan but need to change it a little, or do you want a complete Ready-To-Raise Kit?

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Get An Instant Quote

Use our online calculator to get a quote for a complete Ready-To-Raise™ Kit.  Just need your zip code.

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What's Included

Design and Engineering

Timber Frame Design and Engineering Services

We take immense pride in our team of exceptionally skilled timber frame designers. Each member is not only equipped with the finest tools but also possesses a profound understanding of how different materials intricately come together to realize your vision. This deep expertise in both design and material synergy is crucial in crafting the ideal timber frame structure tailored just for you.

Our commitment to excellence extends to our engineering team, specialists in timber frame structures, many of whom hold doctorates in their field. Sharing your passion for timber framing, our engineers work closely with you, ensuring that every aspect of the frame's design is customized to suit your specific location. This collaborative process guarantees that you receive all necessary documentation for permits, including detailed engineered reaction diagrams, ensuring your construction proceeds smoothly and stays on schedule.

The culmination of this meticulous process is a comprehensive set of construction drawings. These detailed plans not only provide a clear guide for your kit's assembly but also include a complete list of timbers and fasteners, serving as an invaluable reference throughout the installation of your frame. Our goal is to ensure that every step, from initial design to final construction, is seamless, transparent, and perfectly aligned with your project's needs.

Timbers, Joinery and Connections

Timber Frame Joinery and Connections Offered

After we've collaboratively chosen the ideal wood type for your project, we proceed to source the highest quality timber through our network of trusted mills. Ensuring that every piece meets our exacting standards, we then transport the timber to one of our cutting facilities. There, the joinery is meticulously crafted using CNC machines. Every joint, drilling, mortise, and tenon is cut with precision, adhering to tight tolerances for impeccable quality and fit.

Following the cutting process, all timbers are systematically labeled according to the production numbers assigned during the creation of your model and plans. This meticulous process ensures that every component of your timber frame is prepared with the utmost attention to detail, ready for the next phase of your project.

Included with your package are all the pegs, fasteners, screws, and connectors you need to put your ready-to-raise frame together. You will also get a detailed list for you to refer to while raising your frame.

Shipping and Delivery

Ready To Raise™ Timber Frame Kit Delivery

We carefully package and securely transport your timber frame and all necessary hardware directly to your location. In sync with you, we'll coordinate the delivery schedule, ensuring that we agree on an approximate time on the designated date. To facilitate a smooth and safe unloading process, it's important to have equipment on hand capable of lifting up to 5,000 lbs. Once everything is delivered and in place, the exciting phase of bringing your project to life begins.

Project Support

Timber Frame Project Manager

At Timber Frame HQ, we embrace the philosophy of 'One Person, One Project.' This approach ensures that each client is paired with a dedicated Project Manager who will be your point of contact throughout the entire project. We believe in offering personalized, consistent support to make your journey with us as smooth and fulfilling as possible.

Our commitment extends beyond just providing exceptional timber frames. As your construction resource, we'll be by your side for the duration of your project, ready to offer expert advice, support, and answers to all your queries. Our goal is to make the process of raising your timber frame not just successful, but also a deeply rewarding experience.

We invite you to visit our '
About Us' page to learn more about our values, our team, and how we can bring your timber framing vision to life with a touch of personal care and professional excellence.

View Our Interactive 3d Model 

18x12 Timber Frame Pavilion (02218) Interactive 3D Model

We understand that every project is unique, so we offer extensive customization options for our plans and kits. Choose from various sizes, roof styles, and finishes to match your style and landscape. Our design team is dedicated to helping you create the perfect plan that reflects your vision. 

Here's How You Can Get Started:

  • Phone: Call us at 888-552-9379 (9–5, M–F) to speak with one of our experts.
  • Email: Send your questions to projects@timberframehq.com, and we will respond within two business days
  • Online Form: Please complete the form below, and we will respond promptly.

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22 thoughts on “18×12 Timber Frame Pavilion”

  1. This looks awesome!
    Is it possible (would it be difficult) to double this up for an 18×24? That would be perfect for my workshop.

    Mark

  2. That would not be a problem, you would just need to mirror the frame. We are happy to make that adjustment in our custom design dept. or that would be easy to do in your shop.

  3. Katrina Williams

    We do take on custom projects and would like to talk to you further about yours. Check out our page, HERE, describing what we offer and the process of our custom design services. 

    Fill out the design questionnaire so we can understand your needs. That’s the best way to communicate with our team and get an estimate for design services. With that being said, extending a frame parallel with the ridge is one of the lesser expensive alterations.

  4. What is the roofing sheathing typical for timber frame pavilions? It looks like some kind of 2x material and not plywood. Thank you in advance.

  5. There are many options for roofing your timber frame. If you want to use tongue and groove so it looks amazing from the inside, here is what we recommend:

    You can use 3/4″ T&G then put 2×4’s length-wise as a spacer, then put metal roofing straight on the 2x4s and screw them off. If using shingles you will need to add a layer of sheathing to give you the nail base on the 2×4’s. This will also give you space to run any electrical wires.

    Alternatively, you can use 2x T&G and put the roofing straight onto that.

  6. Katrina Williams

    Yes it could, it would require quite a bit of custom design. Check out our page, HERE, describing what we offer and the process of our custom design services.

  7. Katrina Williams

    The collar would need to be deeper, how deep depends on the snow load on the roof. However, a 15′ clear span could possibly work. If you would like help with the changes, please check out our Custom Design page.

  8. Katrina Williams

    That would be a custom design. Check out our page, HERE, describing what we offer and the process of our custom design services. Fill out the design questionnaire so we can understand your needs. 

  9. do you know what the maximum snow load is for this plan? we get up to 24″ of snow some winters.

  10. Katrina Williams

    Roof loads depend on factors like seismic areas, wind load, wind exposure, timber species and more. When in doubt we recommend that you consult an engineer. We do offer engineering services as an add-on to our standard plans. If this is something you are interested in, go to our Custom Design Project Information Form and fill it out to communicate with our team.

  11. I like your design. Can you design a 20 x 14 Pavilion , or would I just modify the 18 x 12 ?

    Thanks

  12. That depends upon wood species and your location. You can go to our Kits Page, click on “Get an Estimate”, and fill in your zip code to get an astimate on most of our stock plans.

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