Hi Pete,

here is your project set up for the new stairwell dimensions.

I have made the newel posts 100 x 100 mm as you have drawn stairwell sketch.

I have also set up the posts underneath the stairwell corners.

Can you check through the drawings to make sure everything is okay

Hope to be hearing from you soon.

All the best,
Ness

Good to see that the design looks ok.

To get your printable plans at members discounted prices go to the Members discounts area here:

https://wooddesigner.org/membe…..discounts/

Don’t hesitate to post if you need any help or advice.

Be great if you can keep us updated on the build.

All the best,

Ness

Hi Pete,

Here’s your project with the newels at 2690 and step 11 straight.

The upper floor joist can now rest on the two support newels.

You can see that I had to break the tread line by adding a landing step, this is not allowed over here as the going doesn’t have the same value around the turn. But variations are minimal so should not make any real difference to stair useability.

If the support newels can be added after your stair install you should build the whole thing as one unit and assemble the strings into all the newels including the support newels.

To install you can screw the wall strings in place, assemble the outer strings and posts and set them up with temporary support in an approximate position.

Then install step by step starting from the top and moving down pulling the strings and newels together with ratchet straps as you go.

From what you say and to make installation easier, I would suggest that we leave 10mm play on the total stair width.

I’ve made all these changes to the stair and attach the files for you to look at:

Here’s the new plan with the winders adjusted around the newels:

Ness

The support newels are setup to the right height: