His case, you need
There is no unequivocal answer to this question and cannot be, since the approach to the construction of a good and in general any house should be complex. First of all, deciding to build a house, we must decide where it will be located, of course, if the site is not purchased. By the way, as for the site, in his case, you need to decide where the future house will be built, now you can increasingly see how houses are built around the middle of the site, while some 10-15 years ago houses were mainly built in 5-10 meters from the facial fence, and even earlier somewhere in the 60s and 70s, it was often possible to see at home that are on the same line with a facial fence. The second point to which you need to pay attention to this design and generally the type of house. Simply put, you need to solve what and how to build a house. Now a bunch of various technologies of construction and building materials, so this task is not simple, you can build a brick house, you can build a house made of wood, or you can use a sandwich panel.