Condo vs Flat

When to use each in English, with meaning, register, and examples.

Condo

Top 5,000 (fairly common)

Flat

Top 1,000 (very common)A1noun
Most common: Flat
 CondoFlat
Pronunciation🇬🇧 //ˈkɒndəʊ//🇺🇸 //ˈkɑːndoʊ//🇬🇧 /["/flæt/"]/🇺🇸 /["/flæt/"]/
MeaningA small apartment that is owned by someone.Something that is smooth and level without bumps or hills.
ExampleHe bought a new condo in the city center.The flat was spacious and filled with natural light.
RegisterNeutralNeutral
How commonTop 5,000 (fairly common)Top 1,000 (very common)
CEFR level-A1
Part of speechnoun
Collocationsbuy a condo, condo fees, luxury condo, condo associationbig, spacious, modest, block, have, own, rent, be located, face something, overlook something, at a/​the flat, in a/​the flat, convert something into flats, divide something into flats, make something into flats, coastal, tidal, mud, on the flat
Antonymshouse, single-family homecurved, bumpy, uneven
Common mistakesConfused with 'apartment' - a condo is owned, not rented., Using 'condo' in discussions about hotels., Assuming all condos have the same features or amenities.Confusing with 'plane' which refers to a geometric concept., Using 'flat' where 'flatter' is needed grammatically., Misusing as a verb; 'flat' is mainly an adjective.
Usage notesCommonly used in real estate; appropriate for discussions about housing and living arrangements. Avoid using in formal legal contexts.Use 'flat' to describe surfaces, objects, or a person's mood. Not appropriate for describing people in a negative or rude way; can imply dullness if used for personality.

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Condo

Frequently asked questions: Condo vs Flat

What's the difference between Condo and Flat?

Condo: A small apartment that is owned by someone. Flat: Something that is smooth and level without bumps or hills.

Which is more common: Condo and Flat?

Flat is the most common in everyday English.

Can you show an example of each?

Condo: He bought a new condo in the city center. Flat: The flat was spacious and filled with natural light.

Can I use Condo and Flat interchangeably?

Not always. Condo and Flat are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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