Victorian plumbing have loads of black bathroom fittings. https://www.victorianplumbing.co.uk/bristan-prism-inline-dual-control-shower-pole-w-diverter-kit-black https://www.victorianplumbing.co.uk/taps?FT=5013&filtSeq=Colour&Sort=BS Matt black seems pretty popular at the moment so I'm sure other online bathroom stores may sell them too. Victorian plumbing is reasonably priced too, as I've been looking and comparing lots of sights and prices for my own bathrooms. Good luck :)

I love the tiles and shower!!! I think it also depends on your budget and your style. Parker Howley have some lovely painted vanities and I think this one would look fab: https://www.parkerhowleynco.co.uk/product/vanity-unit-the-italian-2-drawer/#size-countertop-material. I also think wood could look good too and tikamoon have some nice ones: https://www.tikamoon.co.uk/cat-bathroom-washbasin-unit-329.htm

Take a look online at www.hafele.co.uk It’s a trade only account but you can see what’s available although it will not show you any prices. If you see something you like give them a ring and ask them for a local supplier. They do really cheap up to really expensive. Alternatively let me know the 8 digit code number and l will tell you the RRP.

I like black (we've planned black) but I think it only works with a strong colour...the overall vibe needs to be modern.  Sage green is quite pale isn't it? More of a gentle modern country vibe perhaps? I would imagine the nickel would be much more suited in this instance.