Do I need a separate template/layout for displaying search results and sitemaps?

Question

Design

I recently finished drawing site prototypes. It seems to have learned everything. And then it dawned on me ... I will have a search form, therefore I need (probably) a template for displaying search results. And there will also be a sitemap ... and it should also be displayed somehow. So I need to order +2 layouts from designers? Or I'm wrong? It’s just that in most cases, the classic proposal for design development is the design of the main page + the design of the inner page. But I have not heard about the design of the search results page and sitemap.

Answer 1

If you do not want to come up with a design yourself (cheap and bad) or force a programmer to do it (expensive and bad), then, of course, you need to order the design of all important pages.
This is true, of course, if ready-made blocks cannot be used on the required pages.

Answer 2

From experience, in most cases, search results and the same map are collected from the elements of the main page. A question from philosophy, to be or not to be, calculate your possibilities. No one will give a definite answer.