I would like to renovate a small mountain house: First floor (37 m²): 1) Wall insulation

Description::

I would like to renovate a small mountain house: First floor (37 m²): 1) Insulation of exterior walls 2) Electrical renovation: removal of the wood-burning stove and installation of electric heating 3) Repainting of the living room Ground floor (37 m²): 1) Enclosing the ground floor: installation of walls, a door and French doors 2) Installation of a shower and a toilet 3) Tiling