Answer: upstairsdownstairs

AnswerCrossword Clue
UPSTAIRSDOWNSTAIRS1970s BBC series revived in 2010
UPSTAIRSDOWNSTAIRSClassic BBC show
UPSTAIRSDOWNSTAIRSPopular 1970s British TV series
UPSTAIRSDOWNSTAIRS1970s TV series set at 165 Eaton Place