Typical of all monitor barn plans, this 40x42 monitor barn house plan has a large center aisle with shed wings on both sides, and a second level above the center aisle. If you are wanting a large structure with great character and functionality, look no further than this one! This is designed to fit on a 40x42 foundation after the addition of 5 1/2" Studs, and 5/8" furring strips behind the posts for drywall to be installed. You may choose to leave one of the wings open for a comfortable porch or enclose the entire structure. There is plenty of mortise & tenon, spline and scarf joinery for you to show off your skills!
The raw dimensions from outside to outside of the posts are 38’-11 ¾” x 40’-11 ¾”. With cladding, the square footage is approximately 1680 for the first floor and 650 on the second level. The roof pitches are 8:12 for the center aisle, and 4:12 on the shed wings. The height to top of the center aisle rafters is 24’-10”. The height to the top of shed rafters is 13’-3”. The top of the center aisle rafters stand at 19’-7”, and the height to top of shed plate is 9’-6”. This plan utilizes 9009.3 board feet.
With your purchase of this plan, we include architectural plans finished out as a four bedroom home with vaulted ceilings, large kitchen and living areas, and even a mud room!
We will send you links to download the PDFs as soon as you buy this plan. There are 13 pages of detailed information in the construction set. We provide 3D drawings so you can picture the finished frame, including a production drawing with every timber labeled. We include post, loft and roof plans, elevations and section drawings. And there are plenty of detail drawings with notes explaining the complexities. The 47-page piece drawing set has a drawing for every timber in the plan, with dimensions showing you the cuts on each one. We also include connector, parts and timber lists to make procuring your materials easier.
For more information about this plan please visit its shop page at 40×42 Monitor Barn House Plan. This plan is also included in our Plan Bundle.
- 38’-11 ¾” wide by 40’-11 ¾” long outside of post to outside of post
- Height to Top of Plates: 9’-6”, 13’-3 15/16” and 19’-7 1/16”
- Height to Peak of Roof 24’-10 15/16” with 8:12 and 4:12 Roof Pitches
- Four bedrooms, 2 1/2 baths
- Living, dining, large kitchen, laundry and mudroom
- 1680 square feet first floor, 680 square feet second floor for total of 2360 s/f
- Posts - 8x8
- Girts - 8x10, 8x12
- Plates- 6x8, 6x10, 8x10
- Rafters – 8x10, 8x14
- Braces – 4x8
- 66 pages total
- Construction Drawings – 13 pages (11x17)
- Architectural Drawings - 5 pages (11x17)
- Detailed Piece Drawings – 46 (11x17)
- Materials Lists – 2 pages (8 ½ x 11)
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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.
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Customer understands that HVAC, Plumbing & Electrical will not be included in all plans.
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8 thoughts on “40×42 Monitor Barn House”
Can this be built so as to allow a generous eave to allow a full wrap with strawbales?
Yes, there are several ways to increase the overhangs to accomplish this. Please reach out to the design team to discuss.
Does this Plan come in a kit? If so do you have a general idea of the cost?
Rodney, please visit our Kit page and click Get an Estimate for your answer!
Can the monitor barn house plans be reduced to 30′ W X 24′ L?
Yes, they can. 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.
Can this be made as a non-house option for use as a barn/garage
Yes, we can modify the plans so they can be precisely what you are looking for or you can do it yourself. If you are looking for the whole timber package, we can also provide that.