Hello again, after several weeks. I've made an attempt at working on what the house might look like, but I must admit I haven't been able to sort out the structure very well. The levels have me very confused. But it looks as though there might be a ground slope from the right downwards to the left, making the right side of the house higher than the left, so what I've done may make sense from that point of view. I've tried to preserve some of the little decorative pillars, without knowing quite how they worked architecturally to begin with. (You're welcome to laugh!) And I have suggested demolishing the extra upper floor structure on the left, and instead extending the upper structure on the right, which would give you a very big verandah that you could decorate with large plants in pots. Also, the garden gate on the left looks very narrow, but that is the size it was. Anyway, please see this as just an attempt, not as a solution! I hope it's useful.

The space is quite efficiently laid out and there isn't much room for expansion or improvement.

give modern design suj. for that old built house

I want to renew my farm house