The same location was used for Telos when filming took place almost twenty years later for Attack of the Cybermen. Missing from the BBC archives for many years, all four episodes of The Tomb of ...
Until Torchwood, that is. A Cybercontroller, recognisable by its larger than normal cranium, also featured in the stories The Tomb Of The Cybermen (1967) and Attack Of The Cybermen (1985).