Hello,
this thread is for those readers who, like us, often feel a bit lost here.
We are about to sign a contract for building a house to KfW 40 standard with a local general contractor. Financing through KfW and ISB.
A brief introduction about us
Income and assets situation:
Expenses:
Mobility costs: for 2 cars total
Insurance costs:
Living expenses:
Summary of income and expenses:
General information about the property:
Construction or purchase costs:
Other costs:
Cost summary:
Necessary loan details:
Let the show begin. Looking forward to your feedback. I thought it might be interesting since some questions of this kind have come up recently.
this thread is for those readers who, like us, often feel a bit lost here.
We are about to sign a contract for building a house to KfW 40 standard with a local general contractor. Financing through KfW and ISB.
A brief introduction about us
- Who are you? H. and M.
- How old are you? 33 and 30
- Any children? One boy, turning one next week
- Are more children planned? None due to the house build
- What do you do for work? H: CNC machinist, M: administrative clerk
- Are you employed, self-employed, retired, homemaker, etc.? Employed
- How many hours do you work? H: 40 plus a part-time job twice a week for 2 hours each, M: 16 hours (part-time on parental leave)
Income and assets situation:
- What income do you have (gross/net)? H: 3258/2312 plus part-time job about 250 €; M: 1282/1048
- How much child benefit do you receive? 250 €
- Other benefits like parental allowance, sick pay, etc.?
- How much equity do you have? 130,000
- How much of that equity do you plan to invest in the house project? 100,000
Expenses:
- Current cold rent (rent excluding utilities) 450 €
- Current warm rent (rent including utilities) 550 €
- Electricity 75 €
- Phone, internet, mobile 80 €
Mobility costs: for 2 cars total
- Insurance 96 €
- Taxes 26 €
- Fuel 210 €
Insurance costs:
- Liability insurance 6.60 €
- Capital or term life insurance 13 €
- Pension insurance (including Riester, Rürup, etc.) 100 €
- Disability insurance 126 €
- Accident insurance 45 €
- Household contents insurance 4 €
- Union fees 33 €
Living expenses:
- Groceries 500 €
- Eating out 0
- Personal care/drugstore 40 €
- Clothing 20 €
- Cleaning 5 €
Summary of income and expenses:
- Total income 3860
- Total expenses 1899.6
- Balance 1961
- of which cold rent 450
General information about the property:
- How large is the plot? 663 sqm (7135 sq ft)
- Dimensions? 24 x 27.5 m (79 x 90 ft)
- Land value? 65 € per sqm (approximately 6 per sq ft)
- New build, existing house (year built), type of house? New build, detached house, gable roof, KfW 40, 1.5 storeys
- Garages? Single garage
- Size of the house? (Living area / usable area) Living area 129 sqm (1390 sq ft), usable area 143 sqm (1540 sq ft) plus 32 sqm (344 sq ft) garage
- Market value of land and house after completion? 503,000 €
Construction or purchase costs:
- Land costs 43,095 €
- Additional acquisition costs (notary, court, property transfer tax, agent) 2400 €
- Construction or purchase costs (including architect, structural engineer) 386,000 €
- Construction ancillary costs (e.g., utility connections, soil expert, construction power, etc.) 5,000 €
- Outdoor facilities/terrace, paths, garden design, fences, etc. 10,000 €
- Total costs 446,495 €
Other costs:
- Kitchen costs 15,000 €
- Photovoltaic system 12,000 € (6 kW with 6 kW battery storage)
- Energy consultant 5,325 €
- Garage in owner’s construction 17,500 €
- Front door 4,500 €
Cost summary:
- Total costs 500,820 €
- Deductible equity 145,495 €
- Financing amount 355,525 €
Necessary loan details:
- Loan amount 170,000 € KfW, 175,000 € ISB LM
- Loan type (e.g., annuity loan, bullet loan, etc.) annuity loan
- Interest rate (p.a. nominal, otherwise effective) 0.53 % KfW, 3.4 % ISB
- Fixed interest period 10 years KfW, until full repayment ISB
- Estimated total term until full repayment September 30, 2052
- Initial repayment rate KfW 2.77 %, ISB 1.8 %
- Monthly payment KfW 469.03 €, ISB 758.33 €, total: 1,226.06 €
- Are prepayments allowed? (Please state amount) ISB 10% per year
Let the show begin. Looking forward to your feedback. I thought it might be interesting since some questions of this kind have come up recently.
If the sequence of the trades allows, it is definitely possible to use the heat pump for the screed drying – depending on the type of heat pump and heat source, this can be done much more efficiently than with purely electric heating. Of course, you also need to be careful that no one sets everything to 55 degrees (131°F) just because "that's how it's always been done." However, I would still budget at least 1,000 € in construction electricity costs.
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