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Office for National Statistics

Brownfield land

How to prepare and submit your Brownfield land data

  1. Step 1 Prepare your data

    Read the guidance to understand what data is required. Start with the fields you already have, you can update and improve your data over time.

  2. Step 2 Check your data meets the specifications

    1. The check service can help you understand if your data is ready to submit or if you need to change anything before you publish it on your website.

      You need to choose to provide your data in one of these file formats:

      • CSV
      • GeoJSON
      • GML
      • GeoPackage

      Alternatively you can provide us with a URL.

      1. Check your data
  3. Step 3 Publish your data

    Your data must be hosted on a URL the public can access (this is your data URL).

    You must link to that URL from a webpage about the data (your documentation URL).

    Your documentation URL needs to be on your official planning authority website, usually ending in gov.uk.

    It should also include a statement that the data is provided under the Open Government Licence.

  4. Step 4 Submit your data

    To submit your data URL, send an email to digitalland@communities.gov.uk.

    The email must include:
    • your full name
    • the name of your planning authority
    • a link to the webpage on your official planning authority website
    • a link to the data URL

    We'll process your submission and add your dataset to the planning data platform.

  5. Step 5 Update your data

    Whenever the data changes, update it on your data URL. We will collect data from your data URL every day.

    Your data URL needs to remain the same, don’t change it when you make updates.