OS MasterMap^® Address Layer 2 detailed product information

User guide

The user guide is an introduction to the OS MasterMap Address Layers that offers guidance and advice on how to derive the maximum value from the product.

Download the combined Address Layer and Address Layer 2 user guide PDF (3.5 Mb)

Technical specification

The technical specification provides specific details of the structure, content and format of OS MasterMap Address Layer 2 for customers using the data in a geographical information system (GIS) or other computer systems. The technical specification should be used in conjunction with the user guide.

Download the Address Layer 2 technical specification PDF (1.5Mb)

Classifications spreadsheet

The classifications spreadsheet lists all the Ordnance Survey base function descriptions, Valuation Office Agency classifications and NLUD Land Use Groups that are used in OS MasterMap Address Layer 2, and can be used as a look-up table.

Download the Address Layer 2 classifications spreadsheet (378 Kb)

CSV file column headers spreadsheet

For users of the CSV file format who wish to look at the data in a tabular structure here is a spreadsheet containing the attribute names in order that can be easily cut and pasted into that structure.

Download the CSV file column headers spreadsheet (30 Kb) updated 19/02/08