Castellum Underwriting has developed its own methodology with which realistic insurance sums can be determined. Here, the parameters of the roof surface as well as the angle of the roof inclination are imported into a calculation tool. In a few steps, the value of a property can be calculated.
Furthermore, some risk factors are included or excluded by means of a short questionnaire.
With the help of our online calculator you can quickly and easily calculate the premium for each historic building and request an offer directly online.

If you know the rebuilding cost (normally the amount the buildings are presently insured for) click here


The calculation can be made by entering the area of the footprint of the building (the area of land taken by the foundations) and the angle of the main roof. Click here

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