# OS ESG Downloads

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### Product download

This page provides downloadable files to support the product in use. To download the product, visit the [OS Data Hub](https://osdatahub.os.uk/data).
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## 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:

{% file src="<https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2F1hmiOJK4sO9LSYZ9w88R%2FOSEmergencyServiceGazetteer-header-files.zip?alt=media&token=b5f62cbb-81f3-4cc3-a272-572db627b7db>" %}
OS Emergency Services Gazetteer CSV header files (zipped file).
{% endfile %}

The record types are provided in the following order:

* [BLPU (Type 21)](https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio/os-emergency-services-gazetteer/os-esg-technical-specification/feature-type/blpu-type-21-record)
* [LPI (Type 24)](https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio/os-emergency-services-gazetteer/os-esg-technical-specification/structured-data-types/lpi-type-24-record)
* [Classification (Type 32)](https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio/os-emergency-services-gazetteer/os-esg-technical-specification/structured-data-types/classification-type-32-record)

Information and instructions about how to append the header files is available in the [OS ESG Getting Started Guide](https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio/os-emergency-services-gazetteer/os-esg-getting-started-guide).

## :arrows\_clockwise: OS ESG Classification Scheme

Download the OS ESG Classification Scheme file below to understand the [classification codes](https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio/os-emergency-services-gazetteer/os-esg-technical-specification/code-lists/classificationcode) used for features and their breakdown:

{% file src="<https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FheUaE0WpXeYXtBpB3fGp%2FOSEmergencyServicesGazetteer_ClassificationScheme_April_2026.xlsx?alt=media&token=b19798d2-c3fe-4c1e-a140-29e5a3ce5c08>" %}
OS Emergency Services Gazetteer Classification Scheme (last updated April 2026).
{% endfile %}