The most common and most likely answer to this crossword clue is the 8 letter word TENEMENT
T
E
N
E
M
E
N
T
More clues leading to the result TENEMENT
- Undesirable housing principle blocked by workers
- English soldiers in canvas shelter or anotherbuilding?
- Rented accommodation: temporary shelter housing European people
- Building a number meet collapsed, trapping Frenchman, finally
- Building alteration? Concrete’s first to go
- Guys in principle responsible for a block of flats
- English chaps in temporary accommodation, part of large building?
- Chaps in principle responsible for block of flats
- Flat has view over people
- Housing of canon entertaining people
Buddy explains!

The straight part
We know that "flat" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case flat = tenement.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 TENEMENT mean?
TENEMENT noun- A building that is rented to multiple tenants, especially a low-rent, run-down one.
- Any form of property that is held by one person from another, rather than being owned.
- Dwelling; abode; habitation.