How many letters does the top answer for “the face or front of a building” have?

The most common answer is facade (6 letters).

Crossword clue: the face or front of a building

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

facade 6 letters wn-def

the face or front of a building

frontal 7 letters wn-def

the face or front of a building

face to face, or front to front; facing. 50% similar → affronte