Third Floor Gallery was an independent charitable photography gallery in Cardiff Bay, Wales. It opened in 2010 and predominantly featured documentary photography, often premiering new work with the direct involvement of the photographers. It closed in 2016. Notable photographers that exhibited at Third Floor Gallery include Martin Parr, David Hurn, Tom Wood, Chris Steele-Perkins, Larry Fink, Mark Cohen, John Bulmer, Rob Hornstra, Simon Roberts, Peter Dench, Ewen Spencer, Ken Grant and Vanessa Winship.