Street naming and numbering for local authorities in England and Wales

SNN code of practice

Sixteen different types of SNN applications have been identified.

Three flow diagrams have been produced to show the recommended process to deal with each application type.

The table below shows the different application types with the relevant flow diagram.

SNN Application types	Diagram
New street name only	1
Existing street name to be renamed	1
Existing street with no name and no properties to new street name	1
Existing street with no name and existing properties to new street name	1
New street name with new properties	2
New property on existing named street	2
New or converted property on existing private drive to new street name	2
Renumber existing property on renamed street	2
Number existing named property on renamed street	2
Converted property on existing named street	3
Renumber existing property on existing street	3
Renumber existing property on different existing named street	3
Number existing named property on existing named street	3
Number existing named property on different existing named street	3
Rename existing named property on existing named street	3
Allocate property name to existing numbered property	3

Alternatively, you can search the text of the SNN code of practice, or see the full table of contents.
A glossary is available to explain the meanings of any specialised words, phrases or technical terms.