Suspended Cupboards with only wall mount support

[diy-er-1]

Hi,

Attached are images of what the room looks like and the obstacles it presents for a novice DIY'er.

wardrobe_idea.jpg (32.8 KiB) Viewed 524 times

wardrobe_idea_1.jpg (36.3 KiB) Viewed 524 times

This attachment shows a few numbers which are elements important to this project and will help lay the foundations.
1 - would be a custom cupboard unit I need to build
2 - would be a custom cupboard unit I need to build
3 - is an existing partial stud box that is NOT load bearing (cupboards cant rely enitrely resting on it), the stairway ceiling is within this box.
4 - is a brick exterior wall
5 - is a paramount wall

wardrobe_idea_2.jpg (35.67 KiB) Viewed 524 times

This Attachment shows 2 red handles and also show which way the units will open. 1 and 2 will not open the same way.

The question I have is, what form of units do I need to build and how to fix them to the wall (4) without causing any vertical load (or the least possible) to 3.

I am thinking for strength building a stud carcass and then encasing this carcass in mdf sheet, then using something like this

wardrobe_idea_3.jpg (70.99 KiB) Viewed 524 times

to hang unit 2 off the wall. I'm not sure on which kind of cupboard build I need for 1 and how to hang it, as the side will become load bearing? From some of the research I have done it seems like if you do a normal rear mount for a unit, you can inset a batten or put it behind the MDF backboard so the finish is flush to the wall (to offset for wall mount thickness).

2 will become mostly a clothes rail if I don't move ahead with shelving, but either way both units must be able to hold 50kg+ as well as there own weight, I am not great with understanding the strength of MDF sheets in a carcass and what can be hung off of them before material separates. I have more experience with studding stuff.

I am not bothered with hidden or ugly looking wall mounts, strength and rigidity is more important to me than aesthetics.

Any and all ideas are welcome.
Any questions let me know.

[diy-er-1]

Bump! Anyone here who can help?

[dewaltdisney]

I would take the top off the stairwell box and reinforce it as a solid base. Make it the same widthand depth as a standard wardrobe and you might then get away with an Ikea wardrobe on top.

DWD

[diy-er-1]

how do I go about reinforcing it? when it was exposed it looked like this

wardrobe_idea_4.jpg (152.21 KiB) Viewed 447 times

, so if you looked at it top down, I placed timbers either side that went from the paramount wall to the end of the bulkhead and then to the floor, so either side turned into 2 right angles and fitted them in. What further strengthening do I need to do to make it extremely strong? I have added pics of inside the bulkhead that I put a small frame around and doors.

bulkhead_pic_1.jpeg (62.32 KiB) Viewed 447 times

bulkhead_pic_2.jpeg (65.56 KiB) Viewed 447 times

bulkhead_pic_3.jpeg (94.82 KiB) Viewed 447 times

There is a melamine sheet on top but doesn't feel too sturdy for me as the wall behind this is paramount, so nothing really to anchor to like a breeze block or stud wall.

[dewaltdisney]

Have I missed the point, have you already built it? I would have siliconed it to the paramount wall as it will firm it up. There should not be a lot of lateral movement in use.

DWD

[diy-er-1]

hi mate, it's there but I don't think it's well supported (I wouldn't sit on the top melamine sheet), so my initial idea was to just wall hang 2 big units so that I would never have to worry about vertical load onto the stair bulkhead. I can do the silicone and maybe add some more timbers, any suggestions on what is required inside the bulkhead to make it extremely strong?