Single-family house with sufficient expansion potential and a granny flat

  • Erstellt am 2024-03-26 20:14:04

Christoph_303

2024-03-26 20:14:04
  • #1
Hello everyone,

I (33 years old) am planning to build a new house without a basement in our garden ([Ortsrandsatzung]) without a slope. According to the development plan, I am only allowed/must live in it myself and there is a rental ban for the first 10 years, so I have the idea to initially only finish the ground floor to keep the costs low. At a later date, it should be possible to rent out the northeast part of the ground floor as a granny flat. The knee wall in the attic should be about 50 cm high and the roof should have a pitch of 35°. I think this is a good compromise between room height and slant in the room. The knee wall can then be extended into the room later to avoid the too low slant. The upper floor should actually only have the roof insulated and connections for heating and bathroom prepared. That means no intermediate masonry, no drywall, no heating, no screed. The upper floor would only passively receive some heat from the ground floor. (Is that a major cost factor?) This way, in case of family planning, I could flexibly finish the attic, and possibly let grandma or an older child move into the granny flat on the ground floor. The technical room and laundry room will be created in an intermediate space between the house and the carport. Otherwise, the attic would simply remain in shell condition. Do you think this is a sensible plan? Or would a small single-family house be better, where the children's rooms may possibly remain empty permanently but nothing can be rented out either. The construction costs should not exceed 400,000, although I have been working on various construction sites of friends for many years to gain building experience for own work. I would appreciate a few comments. Attached are simple floor plan sketches so that you can better imagine the idea.

Best regards Christoph
 

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