I would install solar panels on the roof, cover the concrete porch with wood, minimize the size of the stones leading to the stairs in the third picture, and replace the black walls with wood. -HSG modern 300 house in Vilnius by NG architects
Contemporary home plan with large kitchen and three bedrooms. Suitable to narrow lot. Big windows and spacious interiors. I'm guessing that's about 8 metres wide by 12 metres long downstairs, and 10 metres long upstairs.