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Old 03.10.2020, 12:10
nejc nejc is offline
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Re: Renovation cost estimation

What you wrote is sadly inadequate* to give any estimation. So,1st: get a very good overview of the condition of the building and different parts of it and 2nd: study what you want
After that, you will have 3 different ways to approach the problem:
a) sit down with a planner/company who would take a job, discuss things and ask them offer an estimation. There will be a lot of work from their side, so expect to pay
b) write down a precise description of works and ask a craftsman for an estimation, you may be charged for that
c) talk with people who were doing similar things, ask them for documentation, study it and decide what is relevant for you
I understand that you need an estimation before buying, but it's not going to be quick, cheap and accurate at the same time. Choose two

*I will just shortly describe the problem with, for example your nr. 5) New windows 30 sq m.
- Price of one basic window range between 300 to 3.000 chf, depends on the materials and finishes
- work range from simple cutting the old one out, and gluing the new in the same opening (and inside old frame) from the outside to the reconstruction of the facade on one or both sides, mostly because of preventing
thermal bridge and leaking.
- you don't say anything about shading/protecting windows with shutters or textile?
- in some instances there could be additional requirements from Municipality or Denkmalpflege (cultural heritage....) which will make everything more expensive.
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