What is architectural site plan? A site plan is a really important part of any set of architectural drawings. The site plan will often show information like existing and proposed buildings, access, landscaping, site boundaries and much more. There are, however, different types of site plans. What are architectural site plans used for? A site plan can be used as part of a planning application, to demonstrate where the proposed site is located, and provide details of the proposed building boundaries and neighboring land. After planning, an architectural site plan will start to contain more detailed information that is required for construction and will become part of a construction drawing set or detailed design package. When you apply for planning permission, the local authority has a standard requirement of drawings that provide information about the proposals. If you are submitting a relatively normal planning application, a Location Plan and Block Plan will most likely b...