Unfortunately, the builder has the details of the contours map. I will try finding some plans.
But I have attached a sketch of the plan in my dropbox (I don't…

Thanks a lot for all the replies. It sounds to me that any one of my options can be costly.
Is it possible to build the house on the concrete slab…

Hi
I got a new land which is on a very gentle slope. Behind the back of my land is an existing house. There is already a retaining wall with…