His death was confirmed by a spokesperson for his agent.
Several of Pickwoads collaborators onDoctor Whohave paid tribute to the production designer.
So sorry to hear this, author Neil Gaiman wrote on Twitter.

Credit: Antti Karppinen/BBC
He was a kind, humble and brilliant man who made an immense contribution to the show.
A gentle, hugely talented man with a wonderful eye for the truly bizarre.
RIP
Heartbroken to hear of Michael Pickwoads passing, wrote director Rachel Talalay.
Few have taught me as much about so many eclectic things.
Location recceing with him was an education in life.
And his tardis a very happy place for me and many visitors.
I toured w/a few.