The most common and most likely answer to this crossword clue is the 8 letter word DOMESTIC
I've seen this crossword clue in The Daily Telegraph
D
O
M
E
S
T
I
C
More clues leading to the result DOMESTIC
- This writer getting to stay endlessly after party creates a row
- Servant’s argument at home?
- GP, say, keeping various items around the house
- In quarrel rod snapped off on top of head
- Before it’s turned cold, head home
- Items doc ordered daily
- Head maybe curtailed cane in the house?
- Benedictine cites unruly servant
- Servant in habitual action beneath vaults
- Couple rowing: I’d come running across the street
Buddy explains!

The straight part
We know that "in the house" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case in the house = domestic.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does DOMESTIC mean?
DOMESTIC noun- A house servant; a maid; a household worker.
- A domestic dispute, whether verbal or violent
- Of or relating to the home.
- Of or relating to activities normally associated with the home, wherever they actually occur.
- (of an animal) Kept by someone, for example as a farm animal or a pet.
- Internal to a specific country.
- Tending to stay at home; not outgoing.