This paper compares the level of neighbourhood cohesion of two single-access neighbourhoods in Calgary, Alberta. The two neighbourhoods had a high sense of neighbourhood cohesion. It is argued that the single access to the neighbourhood has contributed to a high sense of neighbourhood cohesion. One neighbourhood outperformed the other on all three subscales of cohesion due to a stronger sense of seclusion of the neighbourhood. Establishing a sense of identity, a focus, and a clear boundary for a neighbourhood is paramount. At the same time, visionary planning for the future of neighbourhood design with a view to an easy and flexible redevelopment of the open-grid model seems to dominate the mindset of municipal planners operating under the banner of sustainability.