What does a renovation cost per square metre?
Whether roof, façade, heating or bathroom — the cost of a renovation depends above all on which measures are actually due. With the calculator below, a realistic cost range can be determined based on the selected trades and the living area, serving as a basis for deciding between renovation and sale.
Renovation Costs Calculator
What kind of property is it?
Tax note: Non-binding guidance, without warranty – not a substitute for tax advice.
Costs by trade at a glance
The following values reflect market-typical ranges for Dresden (each in €/sqm of living area):
| Trade | €/sqm |
|---|---|
| Roof (re-covering) | 125–290 |
| Façade (insulation) | 125–335 |
| Heating (gas/heat pump) | 100–250 |
| Windows (complete) | 85–210 |
| Bathroom / sanitary (complete) | 65–165 |
| Electrics (complete) | 65–125 |
| Floors (new) | 40–90 |
| Interior plaster | 30–60 |
| Wallpapering | approx. 50 |
| Painting | approx. 45 |
The total cost is the sum of the selected trades, multiplied by the living area.
The condition of the property as a cost factor
Besides the trades, the general condition of the property also plays a role, as it influences how involved the respective work is:
| Condition | Surcharge/discount |
|---|---|
| Occupied & well maintained | −15 % |
| In need of renovation | 0 % |
| In need of major refurbishment | +10 % |
| Full renovation required | +25 % |
For a well-maintained property, the effort for the selected measures is reduced slightly, as fewer knock-on damages occur. With fabric in need of refurbishment or a required full renovation, the effort increases accordingly — for instance through additional preparatory work, gutting or contaminant removal.
Renovate or sell?
A renovation is economically worthwhile only if the increase in the property's value exceeds the costs invested. In practice it often turns out that unrenovated properties are traded on the market with a corresponding discount that already takes the expected renovation costs into account. A sale in the current condition can therefore — especially when own funds or time for a renovation are lacking — be the economically more sensible and lower-risk option than renovating yourself with an uncertain cost trajectory.
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