The most common and most likely answer to this crossword clue is the 10 letter word BEDCHAMBER
I've seen this crossword clue in The Daily Telegraph
B
E
D
C
H
A
M
B
E
R
More clues leading to the result BEDCHAMBER
- Charm ebbed unexpectedly in sleeping quarters
- Be charmed, absurdly so, when bishop enters room for a rest
- Private place black, what about odd parts of deck? Neither red nor green
- Rogue Serge ultimately charmed ‘BB’ into boudoir
- Retirement accommodation in which former quizmaster entertains journalist companion
- Be marched roughly around block at first to sleeping quarters
- Piece of furniture and where to find it
- Charm ebbed disturbingly in boudoir
Buddy explains!

The straight part
We know that "Retirement accommodation" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case retirement accommodation = bedchamber.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 BEDCHAMBER mean?
BEDCHAMBER noun- A bedroom.