Nope, those are Google specials!Are those all from your personal collection, Toby? If so, wow. They are fairly scarce.
I knew the basic name of the razor immediately as I have a Black Complete Set but never saw it in the de style with no roller and so at a loss and no time to research as of yet..... NICE though !The handle is the key to this one ... and a street in London.
I actually found it but will give others time. My find shows the name but no connection to the street in London as the later Wedge blade razors had.....
I have a googled searched list of most known London streets next to me ...and nothing.....completely hopeless I am