IF you can manage all this with EL, I consider that doable within the budget. But don't rely on "oh, we'll figure it out somehow," rather plan everything down to the last detail and drill your EL helpers about implementation details. With that much EL, there will be a house in the end, but you will have to make compromises.
- have the draft reviewed by an architect (someone has to submit the building application anyway), otherwise you'll be very annoyed by planning mistakes
- get quotes for the necessary materials
- plan the execution of the trades precisely
- schedule your own work (you will be working alongside)
- "later" can get really expensive, don't underestimate that and think about how you will pay for the "later"
A lot of EL requires a lot of time. I notice it myself right now and only see my daughter briefly before bedtime.
PS: You can forget about clinker bricks, you probably won't get those into the budget
We are aware that you can't just do this on the side. We will plan thoroughly, of course. Possible compromises are definitely already in mind (for example, ceiling height on the ground floor, facade cladding). Clinker bricks are clear, they are too expensive. If at all, we want brick slips and maybe not completely. You can get those fairly cheap and maybe even glue them on yourself as EL.
The draft will not be approved by an architect but by our planner (a civil engineer with over 30 years of professional experience), who will also submit the building application. He just won't do the design; but we trust ourselves with that. The current floor plan is not particularly unusual anyway.
We will simply pay the "later" out of saved income – like a vacation (which then just takes place at home) or a car repair. The loan installment is, of course, calculated so that we can still live well and even save a bit.
I think the floor plan is a decent starting point. It's not yet rounded – the children's room on the left side of the plan more resembles a storage room and there is space left over in the bedroom that you actually need for the sewing machine. Maybe one should also try to plan modestly to at least somewhat address the tight budget.
Why do you perceive the children's room as a storage room? Because of the L-shape? It's clear that it's not as easy to furnish as a rectangular room, but I don't consider the size of 15 m² to be small. And having a cozy corner for the bed is not bad either. Our son has basically claimed the room as his own right away . Do you have any concrete suggestions for improvement? Partitioning a small sewing room off the bedroom would be an idea, but then how would you solve access and wardrobe space?
How do you get n x 24 cm? – the bricks are effectively 25 cm high per row, and for the clear height you also have to deduct the floor construction from n x 25 cm (today usually about 16 to 18 cm), so from 275 / 300 you get 257-259 or 282-284 cm. With aerated concrete, it should be obviously close to cutting half bricks in height (if you want to avoid the finished undersized formats).
Which film are you in? – the trusses are assembled lying down; in the carpentry part of the roof (roof truss construction) only the crane operator needs no fear of heights, roofing is a different craft, and even here sheet metal roofing makes it easier. Good if the development plan allows this (or with §34 a color matching should suffice).
Sorry, I somehow had 24 instead of 25 cm in mind. Right, so we have planned now with full brick rows and heights of exactly 2.84 m on the ground floor and 2.605 m on the upper floor. You could do half bricks, but of course that would be significantly less efficient, my father-in-law said. And a dimension like 2.50 m makes even less sense. 2.475 m would then be reasonable again, for example (depending on the floor construction, of course).
Regarding the roof: Exactly, the trusses come ready on the truck; we already have a quote for €2,500. I personally still can't quite imagine exactly how and if we would mount them ourselves. It's not going to be for lack of fear of heights. My boyfriend loves climbing (also in high mountains), his dad is, as said, construction-savvy, they'll manage it. But whether it will be technically perfect, I cannot assess.