🆕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

Open

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:

18KB

OSEmergencyServicesGazetteer_ClassificationScheme_August_2025.xlsx

Open

OS Emergency Services Gazetteer Classification Scheme (last updated August 2025).

The new tunnel interaction classification codes were added to the OS ESG Classification Scheme in July 2025.