Land price: €162,000 (acquisition incidental costs missing)
House construction price: €237,000
Interior finishing: €43,500
- Wall tiles 100m2 at €30 = €3,000 (These are cheapest DIY store tiles with adhesive. Labor and additional materials missing)
- Floor tiles/coverings (most rooms on the ground floor will be tiled) = 160m2 at €30 = €5,000 (These are cheapest DIY store tiles with adhesive. Labor and additional materials missing)
- Painting work €1,000 (this is maybe only enough for the paint. No putty, tools, covering material, no acrylic/silicone work. Exterior painting also has to be done by the builder (see construction service description), also completely missing. Labor completely missing)
- Power sockets / data sockets - €6,000 (ok)
- Kitchen - €15,000 (almost unusually high for the otherwise price level of the house. Will be used as a buffer)
- Sanitary objects - €8,000 (ok, but also without labor. Waterproofing of bathrooms with walk-in showers not to be forgotten)
- Staircase: €5,000 (without labor)
*Everything incl. labor/installation/electrical (never including labor, definitely not, not even with Polish workers! If father-in-law does it "for free," he’s halfway in tax jail)
Additional construction costs: €31,000
- Surveying €3,000 (ok)
- Construction report (included in construction service description, but still): €600 (ok, as included in construction service description, otherwise too cheap)
- Building permit €1,200 (ok)
- Orchard meadow - €3,000 (?)
- Road closure - €1,000 (?)
- Earth - removal - €2,450 (earth transport and disposal completely missing in construction service description. Price very optimistic. Also think of material for backfilling)
- Development - €7,000 (If this means all internal and external development, this is far too little. This varies regionally, but since complete internal drainage is also missing, sewage, electricity, water, shafts – all with construction cost subsidies – are completely missing, I would rather estimate €20,000 here)
- Rainwater cistern - €3,000 (ok depending on size and type)
- Construction road - €1,000 (ok)
- Ground improvement - €8,000 (due to the very poor construction service description in the area of earthworks, I would keep this as a buffer. ok)
- Security measures: €1,000
Outdoor facilities: (filling terrain, drainage channels, entrance, driveway? How long do you want to trudge through mud into the new house?)
- Fence: €5,000
Other items remain open for now, to be done by self-execution.
Total costs from loan amount €499,000 €478,000
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Incidental purchase costs from own capital: €13,800
Rough comments in parentheses behind the items.
By the way, the problem with construction service descriptions is not the point that they explicitly refer to the builder. Anyone can see that and obtain offers.
Worse are the points that are not mentioned, because only what is listed is owed, and the layman does not notice that something is missing.
One example in the present construction service description are the rainwater pipes ending above ground. At least a subtle hint that something will not be finished there.
Some waterproofing work is completely missing, however. Also e.g., construction power connection and distributor with regular maintenance (in total €2,000, missing in calculation).
The crane is also missing. It basically works without it, but some subsequent trades will curse and prices will increase if none is there.
In addition, trades such as scaffolding are mentioned but not further qualitatively/quantitatively described. One would be erected, whether it remains there without extra costs until the end of construction is not stated. As it is written, it will be dismantled again as soon as the shell constructor is done.