Jill Gascoigne, William Marlowe and Brian Gwaspari would all go onto starring roles in The Gentle Touch for LWT in 1980.
Sylvia Kay and Bryan Marshall, who play the Lawsons, both died six months apart in 2019.
Between the first and second series the staircase and the tenants' public telephone change places. In series one on entering the house the telephone is on the left hand side and the staircase on the right. In series two on entering the house the staircase is now on the left and the telephone on the right. As a consequence the entrance to the basement flat has also moved from the left of the staircase to the right of the staircase.
In Monica: Part 1 (1974) it is stated that the landlady Dorothy Lawson was housekeeper to the previous owner 'old Miss Gray', and inherited the property on her death.
A tie-in novel, "Rooms" by John Kershaw, was published by WH Allen imprint Universal Books in 1978 (ISBN 0 426 18577 3). It sited 35 Mafeking Terrace as half a mile south of Barons Court tube station, off Gliddon Road.