The error says:
This site is already connected to WordPress.com.
Could you please try fulling logging out of WordPress.com, and then try connecting to WordPress.com within the Jetpack interface?
What user account are you using to connect to the site? I don't see any Jetpack sites connected to the user wagthedoguk and I'm not finding either of the above URLs in our system.
Once we have more information we can troubleshoot further. Thanks.