Prefabricated house provider duplex/basement/about 120 - 140 sqm living area

Hello everyone,

we are planning to build a prefabricated house and are just starting to look into it more closely. The house will be built in Hesse and will be a semi-detached house with a basement and about 120 to 140 sqm of living space. Now we would like to know which providers you can recommend to us. The budget is secondary for now because our primary concern is to find a reputable and good provider. Of course, we have a budget, but as mentioned, our main priority is to find out which provider is recommended. So far, we have been in contact with Okal Haus, Fingerhaus, and Streif Haus. I would be very happy to receive a reply. Best regards, Moritz

First of all: where does the specification "prefabricated house" come from?

The house is to be built in Hessen, specifically a semi-detached house with a basement and approximately 120 to 140 sqm of living space.

And what does "semi-detached house with 120 to 140 sqm of living space" mean - do you want to build an entire semi-detached house, with that living space per half?

Take a look here in the post search for "11ant Doppelhaus," then I "don't" have to repeat everything again. But at least in this forum, quite a bit has already been said about this topic complex.

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Your question has pitfalls in three dimensions:

1) as the name semi-detached house half already reminds, only both halves together make a whole, and must somehow fit together. Regarding the new trend of building single halves, I see nothing but distance - even though there are opposing opinions. A semi-detached house is a born developer project; separate planners are the famous many cooks who spoil the broth.

2) also on the topic of basement - or the complication when one builds with a basement and the other without (worsened by also building at different times) there are already several threads.

3) likewise on the problem (I believe that was only in the "green" forum), one wants to build solidly and the other prefabricated.

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My advice for semi-detached houses is therefore very clear: tackle the project together with the neighbor.

For an entire semi-detached house (or two jointly planned halves - don't worry, these do not have to be mirror clones) the project is more relaxed, even with only one side having a basement.

Regarding prefabricated builders and Hessen, Bien-Zenker (in Schlüchtern) comes to mind. If solid construction is also okay, my favorite would be Massivhaus Mittelrhein, or from Hessen GSE (somewhere in the Darmstadt area).

Sorry, I probably expressed myself a bit unclearly. So we want to build a complete semi-detached house, meaning both sides. And each side should have a living area between 120 and 140 sqm plus the usable basement. Therefore, the question does not arise for us whether only one basement or basements under both halves, etc. Also regarding the facade. The house should look the same from the outside. We are now just looking for the right provider or rather we would like to know what your experiences have been or are with one or the other prefab house provider. At the moment, we have looked into Okal Haus, Bien-Zenker, and Streif Haus. Although Okal Haus still has the best price-performance ratio (at least at first glance). Best regards Moritz

So we want to build a complete duplex, that is both sides.

That is very reasonable. I had hoped for that already :)

how your experiences with one or the other prefab house supplier have been or are.

Why exclusively prefab house suppliers?

There are no suppliers who would be recommendable to a different degree for duplexes (when built as a "whole") than for single-family houses. After all, it is no different class of building. In principle, duplexes can be divided into two basic types:

for "normal" house widths (from about 9 m) they are usually developed from single-family house concepts. These are only modified inasmuch as they then have one window wall less;

for "narrow" house widths (sometimes significantly under 9 m) they are typically designed as attached end terrace houses.

House suppliers who would be "weaker" in the row house and duplex sector than in the single-family house sector are not known to me. At least not qualitatively. In terms of sales, there might be some who rarely sell anything other than single-family houses - but that probably applied earlier for top-class suppliers. Meanwhile, plots where only duplexes fit have become so frequent that no supplier is "spared" from that.

In this respect, research results regarding customer satisfaction with a supplier can be practically fully transferred between single-family and duplex houses.

It looks somewhat different between customer satisfaction today and in the past: the majority of prefab house suppliers have changed ownership structure in the last twenty years. In the 1980s, these were still "companies," typically led by the founder’s grandson. Then came a phase of mergers within these circles, and meanwhile, they are mostly "brands" (like "Grundig" used to be for radios), which usually belong to several investment groups.

What has remained are the orientations, i.e. brand image / target customer group. Regarding Okal Haus, I would put it this way: you build with them if you still have a savings book and drive the smallest B-Class without extras. The currently typical Bien-Zenker customer from my point of view are young couples, still dual earners, planning marriage and children. From Streif Haus, besides the "Twin" series, I would also look at "Family" to adapt them accordingly.

Look at the reference customers in whom you most likely "recognize yourselves" - that is a good indicator whether the supplier fits.

All named are neither bunglers nor criminals - you don’t have to warn against any of them.

Personally, however, I would not exclude the solid prefabricated builders and the single-brick solid builders. Timber-frame prefabrication is, in my opinion, adequate but not better.