# AddressBase Classification Codes

The AddressBase Classification Codes provides additional identifiers not available on Royal Mail PAF.

info

To filter by classification code, use the `set=`. E.g. `set=ab_r` for residential properties

| Concatenated | Description                                                                                                             | Primary\_Code | Secondary\_Code | Primary\_Desc                | Secondary\_Desc                                                                                                         | Set      |
| ------------ | ----------------------------------------------------------------------------------------------------------------------- | ------------- | --------------- | ---------------------------- | ----------------------------------------------------------------------------------------------------------------------- | -------- |
| C            | Commercial                                                                                                              | C             |                 | Commercial                   |                                                                                                                         | "ab\_c"  |
| CA           | Agricultural                                                                                                            | C             | A               | Commercial                   | Agricultural                                                                                                            | "ab\_ca" |
| CB           | Ancillary Building                                                                                                      | C             | B               | Commercial                   | Ancillary Building                                                                                                      | "ab\_cb" |
| CC           | Community Services                                                                                                      | C             | C               | Commercial                   | Community Services                                                                                                      | "ab\_cc" |
| CE           | Education                                                                                                               | C             | E               | Commercial                   | Education                                                                                                               | "ab\_ce" |
| CH           | Hotel / Motel / Boarding / Guest House                                                                                  | C             | H               | Commercial                   | Hotel / Motel / Boarding / Guest House                                                                                  | "ab\_ch" |
| CI           | Industrial Applicable to manufacturing, engineering, maintenance, storage / wholesale distribution and extraction sites | C             | I               | Commercial                   | Industrial Applicable to manufacturing, engineering, maintenance, storage / wholesale distribution and extraction sites | "ab\_ci" |
| CL           | Leisure - Applicable to recreational sites and enterprises                                                              | C             | L               | Commercial                   | Leisure - Applicable to recreational sites and enterprises                                                              | "ab\_cl" |
| CM           | Medical                                                                                                                 | C             | M               | Commercial                   | Medical                                                                                                                 | "ab\_cm" |
| CN           | Animal Centre                                                                                                           | C             | N               | Commercial                   | Animal Centre                                                                                                           | "ab\_cn" |
| CO           | Office                                                                                                                  | C             | O               | Commercial                   | Office                                                                                                                  | "ab\_co" |
| CR           | Retail                                                                                                                  | C             | R               | Commercial                   | Retail                                                                                                                  | "ab\_cr" |
| CT           | Transport                                                                                                               | C             | T               | Commercial                   | Transport                                                                                                               | "ab\_ct" |
| CU           | Utility                                                                                                                 | C             | U               | Commercial                   | Utility                                                                                                                 | "ab\_cu" |
| CX           | Emergency / Rescue Service                                                                                              | C             | X               | Commercial                   | Emergency / Rescue Service                                                                                              | "ab\_cx" |
| LD           | Development                                                                                                             | L             | D               | Land                         | Development                                                                                                             | "ab\_ld" |
| LP           | Park                                                                                                                    | L             | P               | Land                         | Park                                                                                                                    | "ab\_lp" |
| M            | Military                                                                                                                | M             |                 | Military                     |                                                                                                                         | "ab\_m"  |
| MA           | Army                                                                                                                    | M             | A               | Military                     | Army                                                                                                                    | "ab\_ma" |
| MB           | Ancillary Building                                                                                                      | M             | B               | Military                     | Ancillary Building                                                                                                      | "ab\_mb" |
| MF           | Air Force                                                                                                               | M             | F               | Military                     | Air Force                                                                                                               | "ab\_mf" |
| MG           | Defence Estates                                                                                                         | M             | G               | Military                     | Defence Estates                                                                                                         | "ab\_mg" |
| MN           | Navy                                                                                                                    | M             | N               | Military                     | Navy                                                                                                                    | "ab\_mn" |
| OR           | Royal Mail Infrastructure                                                                                               | O             | R               | Other (Ordnance Survey Only) | Royal Mail Infrastructure                                                                                               | "ab\_or" |
| P            | Parent Shell                                                                                                            | P             |                 | Parent Shell                 |                                                                                                                         | "ab\_p"  |
| PP           | Property Shell                                                                                                          | P             | P               | Parent Shell                 | Property Shell                                                                                                          | "ab\_pp" |
| R            | Residential                                                                                                             | R             |                 | Residential                  |                                                                                                                         | "ab\_r"  |
| RD           | Dwelling                                                                                                                | R             | D               | Residential                  | Dwelling                                                                                                                | "ab\_rd" |
| RG           | Garage                                                                                                                  | R             | G               | Residential                  | Garage                                                                                                                  | "ab\_rg" |
| RH           | House In Multiple Occupation                                                                                            | R             | H               | Residential                  | House In Multiple Occupation                                                                                            | "ab\_rh" |
| RI           | Residential Institution                                                                                                 | R             | I               | Residential                  | Residential Institution                                                                                                 | "ab\_ri" |
| U            | Unclassified                                                                                                            | U             |                 | Unclassified                 |                                                                                                                         | "ab\_u"  |
| UC           | Awaiting Classification                                                                                                 | U             | C               | Unclassified                 | Awaiting Classification                                                                                                 | "ab\_uc" |
| UP           | Pending Internal Investigation                                                                                          | U             | P               | Unclassified                 | Pending Internal Investigation                                                                                          | "ab\_up" |
| X            | Dual Use                                                                                                                | X             |                 | Dual Use                     |                                                                                                                         | "ab\_x"  |
| ZM           | Monument                                                                                                                | Z             | M               | Object of Interest           | Monument                                                                                                                | "ab\_zm" |
| ZS           | Stately Home                                                                                                            | Z             | S               | Object of Interest           | Stately Home                                                                                                            | "ab\_zs" |
| ZW           | Place Of Worship                                                                                                        | Z             | W               | Object of Interest           | Place Of Worship                                                                                                        | "ab\_zw" |