Hybrid recommendation (tight budget) I'm looking for an entry-level hybrid bike to ride on weekends. My budget is ~£230, I been looking on ebay, amazon, halfords..

Those two look good to me for the moment:

Forme Brute from Ebay

Viking from Amazon

But my knowledge about bikes is limited, so any suggestion would be appreciated.
Cheers.
Don't overthink it.  For casual weekend riding a 40-year-old Huffy will be quite serviceable.

It's important, if you possibly can, to actually ride the bike you're thinking of buying, to check it for fit and comfort and to get an up-close feel for "fit and finish".