mrThrowaway9001

No, there is no such thing in "Scandinavian" countries about reporting labor when doing DIY home improvements. You can deduct the material, or bought labor, when selling the house. But no your own labor, unless you run a company and hire yourself. That might work, but then you have to spend taxes in your company for that income.

Clarification: This is in Sweden, a Scandinavian country.

Edit #2: If you have a specific country in mind, please mention that instead. Makes it easier to refute.