Gellideg is a housing estate on the western fringes of Merthyr Tydfil. The estate was built in the 1940's to house the workers and families of the industrial and mining industries the estate, the housing is primarily terraced with large, back gardens in order to promote green space.

Photographed during aerial reconnaissance by RCAHMW on 9th June 2008.
L Osborne, 24th March 2012.