ᐅ Shed Roof with a 20-Degree Pitch – Without an Attic?

If you’re not building a basement, you’ll need an attic. You need somewhere to store all the stuff you only use twice a year.

Scout schrieb:

With a house width of 8 meters (26 feet), you already have a height difference of 290 cm (114 inches) between the ridge and the eaves, and 360 cm (142 inches) with 10 meters (33 feet).

Exactly.

The tangent of 20 degrees is 0.36. This way, he can determine the ceiling height for any building depth himself.
You can also vary the wall start height. Instead of starting directly at 2.5 m (8 feet 2 inches), maybe start at 1.8 m (5 feet 11 inches). Of course, this depends a lot on the floor plan! 😉

KnibbelDibbel schrieb:

We are planning a semi-detached house in a new development.

I strongly advise against planning semi-detached houses individually. I recommend you google "A semi-detached house has TWO halves" and read this thread https://www.hausbau-forum.de/threads/reihenendhaus-mit-gue-in-eigenregie-bauen.31198/, where the original poster @goalkeeper emphasizes that it should not be recommended as a scary story, while also praising their general contractor who managed well despite the mayoral and neighborly difficulties 🙂

KnibbelDibbel schrieb:

The building regulations require 2 full stories (attic optional) and a 20-degree pitched shed roof.

I suspect you are only giving a very simplified summary of your development plan. Also, some roofing materials are only recommended starting from a roof pitch of 21 or 22 degrees; so a 20° roof pitch might limit you mainly to standing seam zinc roofing. Whether the pitch must be measured all the way to the other end of the building depends on whether a recessed top floor (setback story) is allowed.

KnibbelDibbel schrieb:

The developer has not been decided yet,

Then you probably mean a general contractor. A developer would normally be chosen only if you did not need to worry about the house construction yourself. At least try to find a planner together with your neighbor; this does not exclude different house designs and different construction methods, see also the first linked post online. Don’t plan as if each of you had a standalone plot with full setback on all sides, and especially do not plan individually with one neighbor choosing a house without a basement in front of the other who plans to have one, see the goalkeeper thread.

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https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/

11ant schrieb:

https://www.hausbau-forum.de/threads/reihenendhaus-mit-gue-in-eigenregie-bauen.31198/ to read, whose original poster @goalkeeper emphasizes that this should not be recommended solely as a horror story without praising their general contractor, who performs well despite all the mayoral and neighbor-related disasters 🙂

Hear, hear!!

However, I have to point out that with a reasonable and already established neighbor, it is also possible to build two separate houses. Our neighbors – a total of ten semi-detached houses – all used different construction companies. In some cases, prefabricated and traditional masonry houses stand side by side.

As long as the tricky issue of the foundation is resolved, the rest is basically a matter of routine – at least when dealing with reasonable people. 🙄

apokolok schrieb:

If you don't build a basement, you still need an attic.
You have to store all those things somewhere that you only use twice a year.

Well, whether you need that is debatable, since you have a utility room for that. I know quite a few people without a basement or attic... 😉

KnibbelDibbel schrieb:

Well, whether you really need that is questionable; after all, you do have a utility room. I know quite a few people without a basement or attic... 😉

The biggest pitfall in house building (I learned this here and am happy I followed the advice) is underestimating the amount of storage space needed. Suitcases, Christmas decorations, and so on... the utility room really has to be quite large.