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20×24 King Post Timber Frame


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Take a good look at this 20x24 king post timber frame plan!  The dimensions of this structure would make an outstanding two-bay garage. With 480 square feet of space, it would also make a comfortable guest house or spacious workshop.  The top of the plates are over nine feet high, and at a 6 in 12 pitch the ridge stands at well over 13 feet for a nice ceiling height. However, the plan includes roof pitch drawings from 3 in 12 all the way to 12 in 12, so take your pick!

There is wonderful architectural detailing in this timber frame pavilion. The curved struts in the king post braces, and the curved knee braces, set the tone. The spline joinery in the beams and scarf joints in the plates make this a project any timber framer can be proud of.  The heavy timbers used in the posts and trusses make for a sturdy building, suitable for many uses.

Thinking of a storage loft or crawl-in sleeping loft? Depending on the roof pitch you choose, there is enough headroom that you could add a floor over part of the space. Of course, you may choose to enjoy the volume ceiling instead of adding a loft.

The instant-download PDF drawings consist of 32 sheets, which includes renderings, plan, elevation and sectional drawings, along with all the piece and joinery details you will need to build this frame. There is a timber list and fastener schedule to make procuring your materials easier. There are also 3D drawings so you can visualize the project. The plan set is formatted in an instantly downloadable PDF for easy printing at home on 8-½” x 11” paper.

20x24 King Post Plan Overview

Frequently Asked Questions

Can  you modify this plan for me?

Yes, we can modify our plans to the size you need on a custom basis. For more information on the services that we offer and how the process works check out the page HERE

 If that is something that would interest you, fill out the  brief questionnaire HERE or click Get Started Today on the main Design Page from above.  

As soon as we get your information and give it a quick review we’ll contact you to schedule a phone meeting.  Please allow a few days for our team to respond.

Before our discussion, we urge you to buy the set of plans that most resembles the alteration that you seek. This will allow you to study the plans thoroughly, think through any other changes or design aspects that you want.

Are your plans engineered?

The plans we offer on our website are not stamped by an engineer. People build our frames all over the country, and in each location, there are different requirements.  Timber species, design loads and values needed are just some of the factors engineers need to take into account in each case.  

We do offer engineering services as an add-on to our standard plans. If this is something you are interested in, head HERE and fill out the brief questionnaire.  Armed with that information, we can get our heads into your project before we speak.  That way we are best prepared to answer all of your questions.

As soon as we get your information and give it a quick review we’ll contact you to schedule a meeting.

Do you offer the whole kit?

Yes we do! Just fill out the form HERE and will will be in touch soon with more information and pricing.

Have a question for us?

100% Money Back Guarantee for 30-Days

Purchase With Confidence...It's Risk Free!

If, for any reason, you don't like this plan, you can get a full refund anytime within 30 days after your purchase. If you have any issues, just get in touch with our support team and they'll either help you out until you get the results you need or give you a swift refund.

Important Information:

Timber Frame HQ provides plans for construction purposes but does not oversee the construction. The plan purchaser is responsible for assuring the plan meets local codes and regulations. It is the responsibility of the plan purchaser to obtain any and all structural analysis, engineering and specifications that may be required in the municipality in which it is to be built. Plan purchaser is to verify all lot conditions and measurements before construction. Purchaser is responsible for additional expenses incurred in order to meet local code and engineering requirements.

Customer understands that the following conditions in your specific area may require additional engineering:

  1. Wind / hurricane / tornado
  2. Seismic / earthquake
  3. Heavy snow
  4. Flood potential
  5. Soil instability
  6. Timber Frame Engineering

Customer understands that HVAC, Plumbing & Electrical will not be included in all plans.

Plan Licensing Agreement:

When you purchase a set of plans, you are purchasing a limited copyright license for a design giving you the right to build that structure one time at your location. Your copyright license was granted when you paid the purchase fee. You do not have the right to build the design a second time unless you have a signed agreement with Timber Frame HQ. Please note that copyright law protects “derivative works” the same as it protects the original design. That means that making some changes doesn’t make it a new design. We do not allow reproduction or modifications of our designs, without permission. Your copyright license does not allow another professional to represent our design work as their own.

Timber Frame HQ retains all common law, statutory and other reserved rights, including the copyright. This applies even when you have participated in the development of the design to a significant degree.



  • 20’ wide by 24’ long outside of post to outside of post
  • 2’ overhangs on all four sides
  • Height to Top of Plate 9’-8” 
  • Height to Peak of Roof 15’ with 6:12 Roof Pitch


  • Posts –8×8
  • Ridge –8×10
  • Rafters – 6×8
  • Plates – 8×10
  • Bent Girt – 8×10
  • Braces – 4×8


  • 33 pages total
  • Construction Drawings – 32 pages (8.5×11)
  • Timber List – 1 page (8.5×11)

30-Day Guarantee

We are so confident that you’ll love the plan, we stand behind it 100% with our 30-Day Money-Back Guarantee. It means you have 30 days to initiate a return with us for any reason.

It’s the best Return and Warranty Policy of any company in the business. You can buy from us with full confidence that we’ll be here to help if something goes wrong, or if the plan just doesn’t end up working out for you.

Return Policy

Our money-back guarantee gives you 30 days to decide whether this plan is everything you hoped for. If for some reason it’s not working out, you can return it for a full refund. Here’s how that works:

Email us within 30 days of placing your order. We will refund you the full purchase price of this plan.

And remember, if you have any issues whatsoever with your plan, even if you’re not sure you want to return it, please get in touch with us personally. We want you and every other Timber Frame HQ customer to have the best possible experience with us.

Please note the 30-Day Guarantee is for individual plan purchases and not for our Timber Frame Plan Bundle or other plan bundles for which we do not offer refunds due to the nature of the product.

Customer Reviews

Based on 1 review
John Gallagher
King post timber frame

Plans were good, but not what I wanted

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