Sony has launched the official UK website for PS5.
While the PS5 website is sparse at the moment, it's a least live. Hopefully, more information will be added to it soon.
In the meantime, it contains the following blurb which suggests you sign up for the newsletter (via reddit).
We've begun to share some of the incredible features you can expect from PlayStation 5, but we're not quite ready to fully unveil the next generation of PlayStation. Sign up below to be among the first to receive updates as we announce them, including news on the PS5 release date, PS5 price and the upcoming roster of PS5 launch games.
Until Sony adds more information on its next-gen console, read up on everything we know so far about PlayStation 5 ahead of its holiday 2020 release.