The most common and most likely answer to this crossword clue is the 6 plus 4 letter word GROUND RENT
I've seen this crossword clue in The Guardian
G
R
O
U
N
D
R
E
N
T
More clues leading to the result GROUND RENT
- Reduced opening for leasing arrangement
- Money for the landlord after an earthquake?
- Earthquake could entail this regular payment
- Flat charge being made much smaller brought a tear
- Money paid to landowner crushed and torn
- Payment to landowner — result of earthquake?
- Result of earth-shattering payment to landowner
- Stadium slashed flat charge
Buddy explains!

The straight part
We know that "Money for the landlord" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case money for the landlord = ground rent.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.