govuk-frontend/dist/govuk/components/character-count/template-with-default-value-exceeding-limit.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 govuk-form-group--error govuk-character-count" data-module="govuk-character-count" data-maxlength="10">
  <label class="govuk-label" for="exceeding-characters">
    Full address
  </label>
  <p id="exceeding-characters-error" class="govuk-error-message">
    <span class="govuk-visually-hidden">Error:</span> Please do not exceed the maximum allowed limit
  </p>
  <textarea class="govuk-textarea govuk-textarea--error govuk-js-character-count" id="exceeding-characters" name="exceeding" rows="5" aria-describedby="exceeding-characters-info exceeding-characters-error">221B Baker Street
London
NW1 6XE
</textarea>
  <div id="exceeding-characters-info" class="govuk-hint govuk-character-count__message">
    You can enter up to 10 characters
  </div>
</div>