ᐅ Building an End-Terrace House as a Self-Managed Project with a General Contractor
Created on: 27 May 2019 10:48
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goalkeeper
Hello everyone,
some of you might have already followed one of my threads about us having to or being allowed to build our end-terrace house on our own responsibility – depending on how you look at it. This means that we are buying an end-terrace plot (215 sqm (2315 sq ft)) in a new development area in the Rhein-Neckar district and will be building on it ourselves – but in coordination with our two terrace neighbors.
The municipality, which sold the plots through a local resident model, ideally wanted applicants to apply as a complete housing group with several families and then build accordingly with a general contractor, construction manager, or architect. Of course, that didn’t really work out, so now there are only individual applicants and also homeowners.
After we were awarded the plot, the addresses of the other terrace neighbors were shared to discuss certain matters, such as roof style, whether or not to have a basement, etc. It was immediately clear that everyone preferred to do their own thing. However, we were still able to agree that the housing group will have a gable roof with a pitch of 35 to 40 degrees (within this 5-degree range).
As the end house, we will build without a basement, while the middle house and the other end house will have basements. This obviously presents a challenge as we would have to make a deep foundation or simply skip it, and the middle house would have to support us, as we will start construction first. The current agreement with the middle house is that we will build a deeper foundation at his expense, as supporting our house later on would be considerably more expensive for him.
We are currently close to signing with the construction manager, the notarization appointment for the plot is at the end of June, and we hope to start construction in the fall of this year. Meanwhile, several other freely planned housing groups are being built around us, which might get in the way with their cranes.
I will document the progress here from time to time – such a self-planned terraced house doesn’t come along very often.
some of you might have already followed one of my threads about us having to or being allowed to build our end-terrace house on our own responsibility – depending on how you look at it. This means that we are buying an end-terrace plot (215 sqm (2315 sq ft)) in a new development area in the Rhein-Neckar district and will be building on it ourselves – but in coordination with our two terrace neighbors.
The municipality, which sold the plots through a local resident model, ideally wanted applicants to apply as a complete housing group with several families and then build accordingly with a general contractor, construction manager, or architect. Of course, that didn’t really work out, so now there are only individual applicants and also homeowners.
After we were awarded the plot, the addresses of the other terrace neighbors were shared to discuss certain matters, such as roof style, whether or not to have a basement, etc. It was immediately clear that everyone preferred to do their own thing. However, we were still able to agree that the housing group will have a gable roof with a pitch of 35 to 40 degrees (within this 5-degree range).
As the end house, we will build without a basement, while the middle house and the other end house will have basements. This obviously presents a challenge as we would have to make a deep foundation or simply skip it, and the middle house would have to support us, as we will start construction first. The current agreement with the middle house is that we will build a deeper foundation at his expense, as supporting our house later on would be considerably more expensive for him.
We are currently close to signing with the construction manager, the notarization appointment for the plot is at the end of June, and we hope to start construction in the fall of this year. Meanwhile, several other freely planned housing groups are being built around us, which might get in the way with their cranes.
I will document the progress here from time to time – such a self-planned terraced house doesn’t come along very often.
goalkeeper schrieb:
In our current rental apartment, it gets over 30 degrees Celsius (86°F) in the summer—even at night. But surely not less than 24cm (9.5 inches) of compressed insulation wool (?)
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
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goalkeeper14 Jan 2020 13:4511ant schrieb:
But surely not less than 24cm (9.5 inches) compressed insulation, right?The current house is probably not insulated.
That should make quite a difference, so I would only pre-install the air conditioning system.
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
B
boxandroof14 Jan 2020 13:58I consider the option of air conditioning to be sensible here. Mineral wool does not provide the best heat protection, and the flat dormer receives a lot of sunlight. Friends have a very similar construction, and they find it too warm in the summer.
We have 20 cm (8 inches) of insulation in the attic with a south-facing roof, where temperatures regularly rose above 30°C (86°F) during heatwaves. With photovoltaic panels installed above the tiles, the peak temperature there now stays around 28°C (82°F).
The attic and intermediate ceiling are insulated in our house, and the living spaces below remain comfortable at 25-26°C (77-79°F), despite relatively poor heat protection for a new build in the (few) roof slopes. I am not sure how the attic insulation is handled here.
Additionally, body heat further warms up the room. In our case, this is enough to turn the coldest room into the warmest in the house. Cooling with an air-to-water heat pump is pleasant, but it offers relatively little relief for individual overheated rooms.
We have 20 cm (8 inches) of insulation in the attic with a south-facing roof, where temperatures regularly rose above 30°C (86°F) during heatwaves. With photovoltaic panels installed above the tiles, the peak temperature there now stays around 28°C (82°F).
The attic and intermediate ceiling are insulated in our house, and the living spaces below remain comfortable at 25-26°C (77-79°F), despite relatively poor heat protection for a new build in the (few) roof slopes. I am not sure how the attic insulation is handled here.
Additionally, body heat further warms up the room. In our case, this is enough to turn the coldest room into the warmest in the house. Cooling with an air-to-water heat pump is pleasant, but it offers relatively little relief for individual overheated rooms.
Well, 26°C (79°F) is still quite warm for sleeping.
If you want 22-23°C (72-73°F), you’ll need air conditioning, even in a new build.
The slight warmth from underfloor heating won’t be enough.
A new build heats up much more slowly than an older house, but it also cools down much more slowly.
If you want 22-23°C (72-73°F), you’ll need air conditioning, even in a new build.
The slight warmth from underfloor heating won’t be enough.
A new build heats up much more slowly than an older house, but it also cools down much more slowly.
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