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Discussion Starter · #1 · (Edited)
Hi,
Im looking to make a raised platform for a cubby house and need advice on the best design / method to make it sturdy. I purchased a second hand cubby house which was previously sitting on the ground.

Cubby base is 261CM long and 170CM wide. Base is currently sitting on four beams 4.5CM by 7CM that run longways.

I am planning to raise the cubby on four pine pole (150mm x 1.8m CCA H4 Permarod)

Should I run two main beams coach screwed onto the perma rod and then run joists sitting on the beams? Or should I be using joist hangers? Any and all advice greatly appreciated.

Limited woodworking experience but keen to learn and happy to buy whatever is required. Office worker trying to use his hands to make something for his son to enjoy.

Regards,
CubbyBuilder
Western Australia
 

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here in the U.S., that is not a common term that we hear a lot.
I had to google it.

"Cubby house" meaning
Small, usually timber, house in the garden used as a children's plaything.
Vozza. Outdoor playhouse for children {or: cubby}

Outdoor play equipment Public space Playground Play Human settlement


what kind of weather will the Cubby be exposed to? strong winds, etc.
I would just put 4 posts 2-3 feet deep in the ground and bolt the
cross members with lag bolts where needed.
looking forward to seeing your completed project.

Edit: personally, I have no idea what the wood is that you show in the photo.

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Discussion Starter · #3 ·
Thanks John. Cubby house will be going in the yard corner directly adjacent to two colorbond sheetmetal fences so their should be minimal wind.

Would you recommend square posts to make it easier to add the corner support braces like the photo?

Is 90 x 45mm (3.543" x 1.77") H3 structural treated pine sufficient for the base and cross members?
https://www.bunnings.com.au/our-ran...-structural-treated-pine?sort=PriceDescending

What are cubby houses called in America?
 

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cubby houses here in the U.S. are called Kids Playhouse.
many designs and plans are available online if you google it.
too many variables and skill levels involved to give you an answer
on the construction method. the average DIY guy here would just nail
some boards up and call it a day.
just depends on how much detail you want to put into it.
here is a quick sample of plans I found on google: Playhouse Plans
(Link Removed - violates forum copyrighted material posting rules)

Text Technical drawing Diagram Plan Line art


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YVW - if you want to become an active member here,
please complete your profile with your location and
post some photos of your project as you go along.
looks like fun !!
and welcome aboard !!
 
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