ᐅ First Pre-Prefabricated House Quote – Are Additional Construction Costs ROUGHLY Realistic?
Created on: 27 Aug 2019 02:20
C
Caro0103m
Hello and good evening,
we are currently considering building a small single-family house.
Since our budget is quite limited,
we are looking at various construction providers to get some price quotes.
The first offer (including the total cost calculation) has now been presented to us by Heinz von Heiden:
>>> Are the numbers/data/facts roughly realistic? - or are we way off? <<<[/B]
We have emphasized several times that we want realistic values...
Of course, some items (the plot of land is not finalized yet) are only estimates, but maybe you have a bit more experience.
------------------------------------------------------------------------
Construction site is in Baden-Württemberg
Plot size about 350m² (approx. 3,770 sq ft)
Small single-family house with 8.5x9.5m² (approx. 28x31 ft) footprint
House price around €216,000 (including electric shutters, underfloor heating, automatic ventilation system)
------------------------------------------------------------------------
Now, regarding additional construction costs:
- House connections for water/electricity + surveyor + provision of temporary construction power/water €10,000
- Earthworks (sewer/shaft for connections, no basement) / filling of plot (plot not purchased yet) €6,000
Parking space: access path to garage / parking space (simply filling the front area with gravel or stones for now) €3,800
Painting/flooring work (tiles are included in the house price for WC/toilet/hallway/bathroom)
- Laminate flooring (self-installed) for about 90m² (approx. 970 sq ft) + wall finishing (plastering or painting for about 130m² (approx. 1,400 sq ft) as self-performance) €12,000
Outdoor area (access path/entrance step / terrace paving / privacy screen / planting) €11,000
Contingencies = €5,000
Waste/construction debris disposal + building permit fees (planning permission) = €1,000
-->
So the calculation is €216,000 for the house,
€95,000 for the land (which will be difficult, we know)
€65,000 for everything else
Now I hope this roughly makes sense?
Thanks a lot to you all and have a wonderful night, dear friends.
Best regards, Caroline
we are currently considering building a small single-family house.
Since our budget is quite limited,
we are looking at various construction providers to get some price quotes.
The first offer (including the total cost calculation) has now been presented to us by Heinz von Heiden:
>>> Are the numbers/data/facts roughly realistic? - or are we way off? <<<[/B]
We have emphasized several times that we want realistic values...
Of course, some items (the plot of land is not finalized yet) are only estimates, but maybe you have a bit more experience.
------------------------------------------------------------------------
Construction site is in Baden-Württemberg
Plot size about 350m² (approx. 3,770 sq ft)
Small single-family house with 8.5x9.5m² (approx. 28x31 ft) footprint
House price around €216,000 (including electric shutters, underfloor heating, automatic ventilation system)
------------------------------------------------------------------------
Now, regarding additional construction costs:
- House connections for water/electricity + surveyor + provision of temporary construction power/water €10,000
- Earthworks (sewer/shaft for connections, no basement) / filling of plot (plot not purchased yet) €6,000
Parking space: access path to garage / parking space (simply filling the front area with gravel or stones for now) €3,800
Painting/flooring work (tiles are included in the house price for WC/toilet/hallway/bathroom)
- Laminate flooring (self-installed) for about 90m² (approx. 970 sq ft) + wall finishing (plastering or painting for about 130m² (approx. 1,400 sq ft) as self-performance) €12,000
Outdoor area (access path/entrance step / terrace paving / privacy screen / planting) €11,000
Contingencies = €5,000
Waste/construction debris disposal + building permit fees (planning permission) = €1,000
-->
So the calculation is €216,000 for the house,
€95,000 for the land (which will be difficult, we know)
€65,000 for everything else
Now I hope this roughly makes sense?
Thanks a lot to you all and have a wonderful night, dear friends.
Best regards, Caroline
M
Mottenhausen27 Aug 2019 13:34Without a specific plot of land, calculating costs is nearly impossible. However, for an initial assessment of feasibility (a preliminary discussion at any bank), what you have might be sufficient. Your estimate of "65,000€ for everything else" is reasonable at this stage. You will need to make more precise calculations once you have a specific plot in mind (sloped terrain, 5 m (16 feet) driveway & utility connections, or 20 m (66 feet) driveway + utility connections, etc.). Keep in mind: everything usually ends up more expensive than planned—always. On this forum, I’ve heard it recommended to add at least a 10% contingency buffer to the total project cost after all calculations are done. That approach has worked well for us.
Overall, my advice is to start with the plot first. Only once you have something concrete lined up should you approach the house seller and then the bank. What you are doing now is pretty much meaningless; who knows if you will find a suitable plot in the coming weeks, months, or years. In the meantime, your financial situation might change several times, construction costs might rise, new energy efficiency regulations might come into effect, or the economic downturn could hit Germany hard, and so on.
Overall, my advice is to start with the plot first. Only once you have something concrete lined up should you approach the house seller and then the bank. What you are doing now is pretty much meaningless; who knows if you will find a suitable plot in the coming weeks, months, or years. In the meantime, your financial situation might change several times, construction costs might rise, new energy efficiency regulations might come into effect, or the economic downturn could hit Germany hard, and so on.
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