The most common and most likely answer to this crossword clue is the 10 letter word STRONGROOM
I've seen this crossword clue in The Guardian
S
T
R
O
N
G
R
O
O
M
More clues leading to the result STRONGROOM
- Tough Berber reflective in secure place
- Relative taking extremely tender stable hand to a safe place
- Burly bouncer primarily manages safe area
- Safe place in a bank?
- A safe place
- Sort out Norway’s government office in a safe place
- Secure place in street to smarten Ron
- Satire, oddly, about stable employee in secure accommodation
Buddy explains!

The straight part
We know that "secure accommodation" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case secure accommodation = strongroom.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 STRONGROOM mean?
STRONGROOM noun- A strongly built room or vault where valuables may be safely stored.