Floor plan design - Two-family house / Single-family house with a granny flat

If you look at a single-family house with a granny flat, I really like the concept of Rensch-Haus, house type Genua, for example. That means the granny flat is not built over, and you can basically combine a "normal" single-family house with a "normal" small bungalow (flat roof) through a shared connecting section with a utility room. This also creates nicer possibilities to create separate garden areas. And your property is large enough anyway.

Quickly:

Good idea! I would shorten the hallway a bit and possibly make the storage room under the stairs accessible from the kitchen if it is to become the pantry replacement.

I would arrange that on the ground floor with a bay window on the house side, so the house is bigger at the bottom but not built over it.

Is that so? Haha... Boots are taken off downstairs, then you go where new clothes are waiting, and opposite is already the bathroom for showering.

For both units? :eek:

Try it out with Homebyme, it works quickly over the internet.

Storage room under the stairs is a good, space-saving idea!

I had actually always excluded a bay window because the additional square meters are rather expensive and by extending the floor plan you actually benefit from decreasing marginal costs per additional sqm. But here it is certainly an option; the architect loves a glass extension, which is even more expensive. I'm currently just trying to stay rectangular somehow to lower the price per sqm ;)

The shower on the ground floor is optional too. I think it would be nice but it's not an absolute must.

500,000€ for both units will not be feasible, but we must stay under 750,000€ for both. That is the absolute pain threshold.

Homebyme looks intuitive at first glance. I have to play around with it a bit.

When you look at a single-family house with a granny flat, I really like the concept of Rensch-Haus, house type Genua, for example. That means the granny flat is not built over, and from the basic principle you can join a "normal" single-family house with a "normal" small bungalow (flat roof) by a common connecting part with a technical room. That also creates nicer possibilities to create separate garden areas. And your plot is big enough, anyway.

I have also thought of such possibilities, for example like in the attachment. Per se, that would solve the space problem (less downstairs, rather too much upstairs). Similar principle to Rensch-Haus, house type Genua.

Ultimately, it also somehow corresponds to the current idea, only that the granny flat is not built over, as you already said. Then the idea of the roof terrace would come up again.

Such a roof terrace should be cheaper than building over the granny flat, I think, right?

Thanks already for the input :) there are many good food-for-thought ideas included

Such a roof terrace should be cheaper than building over the granny flat, I think, right?

It costs covering work again, parapet etc.
Pull out a part, wall on the left and right, window towards the front. That can be done quite affordably in a down-to-earth way.