The most common and most likely answer to this crossword clue is the 7 letter word THRONES
I've seen this crossword clue in The Guardian
T
H
R
O
N
E
S
Buddy explains!
The straight part
We know that "facilities" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case facilities = thrones.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 THRONES mean?
THRONES noun- An impressive seat used by a monarch, often on a raised dais in a throne room and reserved for formal occasions.
- Leadership, particularly the position of a monarch.
- The seat of a bishop in the cathedral-church of his diocese; also, the seat of a pope.
- Other seats, particularly:
- A member of an order of angels ranked above dominions and below cherubim.
- To place on a royal seat; to enthrone.
- To place in an elevated position; to give sovereignty or dominion to; to exalt.
- To be in, or sit upon, a throne; to be placed as if upon a throne.