🆕OS ESG Downloads

The header files (CSV format only) and classification scheme for the OS ESG are available to download from this page.

OS ESG CSV header files

To follow the separation of record type, the CSV (Comma-Separated Values) headers for each record type are available below to download:

1KB

OSEmergencyServiceGazetteer-header-files.zip

OS Emergency Services Gazetteer CSV header files (zipped file).

The record types are provided in the following order:

• BLPU (Type 21)

• LPI (Type 24)

• Classification (Type 32)

Information and instructions about how to append the header files is available in the OS ESG Getting Started Guide.

🆕 OS ESG Classification Scheme

Download the OS ESG Classification Scheme file below to understand the classification codes used for features and their breakdown:

17KB

OSEmergencyServicesGazetteer_ClassificationScheme_December_2024.xlsx

OS Emergency Services Gazetteer Classification Scheme (last updated December 2024).

The new bridge interaction classification codes were added to the OS ESG Classification Scheme in December 2024.

🆕 Tunnel definition classification codes

The new tunnel definition classification codes (listed in the Classification Code code list) will be added to the OS Emergency Services Gazetteer Classification Scheme in July 2025. In the meantime, they are available in the following separate file:

11KB

OS ESG Tunnel Classifications.xlsx

OS Emergency Services Gazetteer Classification Scheme – new tunnel definition classification codes only (scheduled for release in July 2025)