The most common and most likely answer to this crossword clue is the 9 letter word LANCASTER
I've seen this crossword clue in Independent
L
A
N
C
A
S
T
E
R
More clues leading to the result LANCASTER
- House with shed in road on river
- Edmund Crouchback say thrown in road by king
- Fifteenth century house in city
- Cavalryman cordoning off a street in a UK city
- Soldier hiding a stone in royal house
- New players breaking real ground for City
- Ancestral building — a royal house
- Dilapidated ancestral house of Henry V
- Old house in road actors initially rented
- City has new actors in new production of Lear
Buddy explains!

The straight part
We know that "house of Henry V" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case house of henry v = lancaster.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.