govuk-frontend/dist/govuk/components/input/template-disabled.html

GOV.UK Frontend contains the code you need to start building a user interface for government platforms and services.

<div class="govuk-form-group">
  <label class="govuk-label" for="disabled-input">
    Disabled input
  </label>
  <input class="govuk-input" id="disabled-input" name="" type="text" disabled>
</div>