Lime Grove Studios
From Tardis Wiki, the free Doctor Who reference
Lime Grove Studios were the predominant studios used to film Doctor Who during the early William Hartnell and most of the Patrick Troughton eras. They were used for principal photography, and as such would have been the primary workplace of Hartnell, Carol Ann Ford, William Russell, Jacqueline Hill. Frazer Hines, Wendy Padbury, Deborah Watling and Patrick Troughton.