What does お宅 mean?
お宅 is a Japanese noun meaning “your home (polite)” in English. It can also be translated as “you (polite)” depending on context. It is written as お宅 in kanji, おたく in hiragana, and otaku in romaji. This word is part of JLPT N4 vocabulary.
Example sentence
お宅の暖房はどのようにしていますか。
How do you heat the house?