# OS ESG Downloads

{% hint style="info" %}

### Product download

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

## 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="/files/NWQvIadw9iMNoOLrfO09" %}
OS Emergency Services Gazetteer CSV header files (zipped file).
{% endfile %}

The record types are provided in the following order:

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

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

## :arrows\_clockwise: OS ESG Classification Scheme

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

{% file src="/files/21LaXYtToLCMl7G4oB1b" %}
OS Emergency Services Gazetteer Classification Scheme (last updated April 2026).
{% endfile %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio/os-emergency-services-gazetteer/os-esg-downloads.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
