Such as refund returned periodically? (3)

I believe the answer is:

due

I'm a little stuck... Click here to teach me more about this clue!

'such as refund' is the definition.
The definition and answer can be both related to property as well as being singular nouns.
Maybe they are linked in a way I don't understand?

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for due that I've seen before include "Owing, unpaid" , "Payable; deserved" , "Expected; appropriate" , "Ripe for payment or arrival" , "Proper; owed" .)

I've seen this clue in The Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.