The message you are seeing has a number of causes, many of which are due to the way the DHCP request goes out.
This is a particular problem with Sony laptops.
Try the following on the wireless connection properties.
Left click on Internet Protocol IPV4, click on properties. Check the options to obtain IP address and DNS Server address automatically.
If that fails make the connection to the home hub using an Ethernet cable, and see if that helps.
I gather your problem has now been resolved - excellent news.
***edited by Mod***
Can't understand why the BTCare mod edited my response, all I was doing was providing alternative contact details to help customers in need!
Hi @DavidBull I tried to call you there now but didn't reach you. Sorry I could not get back in touch any earlier after your post.
Are you free tomorrow and can I give you a call then? or alternatively move the call back to Wednesday.