Bankside Gallery

From the Wikipedia page :

The Bankside Gallery is an art gallery in Bankside, South London, England. It is just to the west of the much larger Tate Modern gallery.

The gallery is home to the Royal Watercolour Society and the Royal Society of Painter Printmakers. The members of these societies follow a 200 year old tradition of being elected by a group of their peers. It is open daily when exhibitions are on, from 11am to 6pm.

The website is