Thank you. Here are my setting - includes = * Enter the domain for your store
* If you have SSL, enter the correct https address in BOTH the HTTP_SERVER and HTTPS_SERVER settings, instead of just an http address.
*/
define('HTTP_SERVER', 'https://pollardscoffee.co.uk');
define('HTTPS_SERVER', 'https://pollardscoffee.co.uk');

/**
* If you have https enabled on your website, set this to 'true'
*/
define('ENABLE_SSL', 'true');

and the admin folder =

define('HTTP_SERVER', 'https://pollardscoffee.co.uk');
/**
* Note about HTTPS_SERVER:
* There is no longer an HTTPS_SERVER setting for the Admin. Instead, put your SSL URL in the HTTP_SERVER setting above.
*/

/**
* Note about DIR_WS_ADMIN
* The DIR_WS_ADMIN value is now auto-detected.
* In the rare case where it cannot be detected properly, you can add your own DIR_WS_ADMIN definition below.
*/

/**
* Enter the domain for your storefront URL.
* Enter a separate SSL URL in HTTPS_CATALOG_SERVER if your store supports SSL.
*/
define('HTTP_CATALOG_SERVER', 'https://pollardscoffee.co.uk');
define('HTTPS_CATALOG_SERVER', 'https://pollardscoffee.co.uk');

/**
* Do you use SSL for your customers login/checkout on the storefront? If so, enter 'true'. Else 'false'.
*/
define('ENABLE_SSL_CATALOG', 'true');

Could it be an issue with the certificate?