<textarea>
<?php
echo ($row["Firstname"]) . " " . ($row["Surname"]) . "&#13;&#10;";
if (!empty(['Street'])) { echo $row["Street"]. '&#13;&#10'; } ;
if (!empty(['Town'])) { echo $row["Town"]; } ;
if (!empty(['City'])) { echo $row["City"]; } ;
if (!empty(['Postcode'])) { echo $row["Postcode"]. '&#13;&#10'; } ;
if (!empty(['Country'])) { echo $row["Country"]. '&#13;&#10'; } ;
?>
</textarea>