Mary Webb at Hales Gallery with explorations of colour using rectangles as a recurring motif.

Heidi Bucher at Parasol Unit with latex castings of interior spaces.

Bit of a litter problem on Regent Street.

Martine Syms at Sadie Coles with a wall piece that reads in the clockwise direction around the gallery and creates a stream of consciousness revealing amusing moments of self doubt.

Kemang Wa Lehulere at Marian Goodman with images and sculpture based on South African strife.

Bob And Roberta Smith at Royal Academy Of Arts with some large scale works, including these door pieces.

Harold Ancart at David Zwirner with sublime paintings of glaciers.

Daniel Richter of Galerie Thaddaeus Ropac with paintings inspired by figures and abstraction.

Gary Simmons of Simon Lee with images that suggest the cinema. Names of black actors and their films have undergone a process of partial erasure.