How many letters does the top answer for “home of blue house” have?

The most common answer is jongnodistrict (14 letters).

Crossword clue: home of blue house

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

jongnodistrict 14 letters wd-fact-v3

home of abbasi house 50% similar → kashancounty

home of apsley house 50% similar → cityofwestminster

home of banqueting house 50% similar → cityofwestminster

home of borujerdi house 50% similar → kashancounty

home of burghley house 50% similar → barnack, stmartinswithout

home of burlington house 50% similar → cityofwestminster

home of chinese house 50% similar → brandenburgervorstadt

home of clarence house 50% similar → cityofwestminster