🔃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

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

🆕 Slipway and weir classification codes

The new slipway and weir classification codes (listed in the Classification Code Code List) will be added to the OS Emergency Services Gazetteer Classification Scheme in April 2026. In the meantime, they are available in the following separate file:

11KB

OSESG_Slipway_and_Weir_ClassificationScheme_February_2026.xlsx

Open

OS Emergency Services Gazetteer Classification Scheme – new slipway and weir classification codes only. Scheduled for release in April 2026 when they will be added to the main OS ESG Classification Scheme.