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Principle: To design new development around a grid based structure, which in turn will provide crime reduction advantages.

A 'safe' urban structure has few blank sides of the building exposed to the public realm, provides 'active frontages' to overlooked streets and creates a regular movement framework that focuses people and vehicles onto a small number of principal routes, rather than under-used and segregated streets and footpaths. A grid based layout will achieve such a structure.

A block structure will ensure that private or communal gardens can be designed into the middle of the block, thereby ensuring that access can only be achieved from the surrounding buildings and in turn eliminating opportunities for rear access from alleys or streets.

Illustration showing block structure


  1. Has a grid based layout and block structure been used to help access safety and security issues?