This is my php file which will load in via ajax when my form is submitted...

dealer-results.php

<?php
	
	define('WP_USE_THEMES', false);
	require ('/home/sites/mysite.co.uk/www/wp/wp-load.php');	
	
	$ajaxCounty = $_GET['varCounty'];
	$ajaxTown = $_GET['varTown']; 
		
	$dealerResults = new WP_Query(array(
	
		'post_type'	=> 'dealer',
		'meta_query' 	=> array(
			array(
				'key' => 'dealer_county',
				'value' => $ajaxCounty,
				'compare' => '='
			),
			array(
				'key' => 'dealer_town',
				'value' => $ajaxTown,
				'compare' => '='
			)
		)
			
	));
	
?>

<?php if ($dealerResults->have_posts()) : ?>
	
	<div class="dealer-wrapper">

		<?php while ($dealerResults->have_posts()) : $dealerResults->the_post(); ?>
	
			<h1><?php the_title ?></h1>
			
			<ul>
				<?php 
					$address1 = get_post_meta($post->ID, 'dealer_address_1', true);
					if($address1) {
					  echo '<li>' . $address1 . </li>';
					} 
					$address2 = get_post_meta($post->ID, 'dealer_address_2', true);
					if($address2) {
					  echo '<li>' . $address2 . </li>';
					}
					$address3 = get_post_meta($post->ID, 'dealer_address_3', true);
					if($address3) {
					  echo '<li>' . $address3 . </li>';
					}
					$address4 = get_post_meta($post->ID, 'dealer_address_4', true);
					if($address4) {
					  echo '<li>' . $address4 . </li>';
					}
					$town = get_post_meta($post->ID, 'dealer_town', true);
					if($town) {
					  echo '<li>' . $town . </li>';
					}
					$county = get_post_meta($post->ID, 'dealer_county', true);
					if($county) {
					  echo '<li>' . $county . </li>';
					}
					$postcode = get_post_meta($post->ID, 'dealer_postcode', true);
					if($postcode) {
					  echo '<li>' . $postcode . </li>';
					}
				?>
			</ul>
		
		<?php endwhile; ?>
						
	</div>

<?php unset($dealerResults); endif; ?>