London kitchen by Flora Soames, Ashley Hicks Moroccan tiles from Popham Design. October 2014 issue of House & Garden
I imagine this sort of look in laundry with marble tiles that match powderroom behind toilet (half way up wall). See other pin of herringbone tiles. Black tap like in kitchen.
Want HIS and HER pedestal sinks? Yup, we've got doubles! Double Sinks in a London bathroom, as seen in Remodelista: A Manual for the Considered Home