Good morning,
so, a lot has already been said...
but with an income of over €4600 net per month, when you apply for financing of €600,000, the first question will be, what did you do with the money before?
then we take a step back, so you have saved about €20,000 in 2 years, which is very commendable.
now with the 2nd child, the 2nd income will initially disappear and will only be partially replaced by parental allowance.
Additional costs will arise (baby room, initial equipment, etc.).
that means tying yourself to a property with a high loan now would be rather counterproductive, and maybe even poison for the relationship!
What speaks against staying in the apartment for another 1-2 years, trying to save another €1000 per month, and then looking again, maybe opportunities will arise? Either a house is sold through informal channels, without a broker, and without inflated markups?
Another problem from today's perspective: rising interest rates
1) we are moving towards an interest rate of 2% for 10 years (for full financing! so 100%, but you even need more for incidental purchase costs!)
(we are not there yet, but it won’t be long)
2) No/little equity + very long fixed interest period: and suddenly we are more likely at 3%, and if we only take the minimum repayment required by banks (often 2%), then with a loan amount of €600,000, the monthly burden would be €2,500!!! and that would only be the financing installment. Heating costs, electricity, telephone, property tax, garbage collection and so on... then you’re already at €3,000
and then the question would be, what do you want to live on?
currently you can still live cheaply = still a very good opportunity to save and put money aside.
as a goal I would set here: to build up 10% equity, i.e. for €500,000 = at least €50,000, for €600,000 = at least €60,000 to save
the next point would then be: how big does it have to be?
the new child will live with you for a very long time, how long will the 17-year-old live with you? What are their goals/plans? Apprenticeship? Studies?
It might be that in 3 years they will move out, maybe in 5 or 8...
then I would choose and plan the house/apartment accordingly.
Because what use do I have for 2 large children's rooms if one of them will be 90% empty for the next 30 years?
PS. there are also small houses in Heilbronn/surroundings (ok, with also small plots) as existing properties that are well maintained, costing around €400,000..
Condos with about 80 sqm probably start at €300,000...
so you can probably finance €550,000-600,000 with €4600 (if you have more equity!) but you don’t have to, because that is too much burden for the income. Nothing must happen, no one must lose the job, no long-term illness or whatever
then better to finance rather €400,000-450,000 max with that income, and also live a bit and not just work to just pay off the house.