Confusing words explained
“apartment” vs “flat” — What’s the Difference?
Apartment (American) and flat (British) mean the same thing but differ by region.
Key takeaway
Quick Difference: apartment vs flat
Apartment (American) and flat (British) mean the same thing but differ by region.
apartment vs flat Side-by-Side Comparison
Meaning of apartment
A set of rooms rented or owned by one person or family in a building with multiple residences.
A place where people live, usually in a building with many other homes stacked on top of each other.
Use when referring to residential units in multi-unit buildings. Say 'I live in an apartment' or 'an apartment for rent'.
- My apartment has two bedrooms and a kitchen.
- They found a nice apartment near the city center.
Meaning of flat
Having a smooth, even surface with no raised or lowered areas.
Something that is smooth and level, without bumps or slopes.
Use 'flat' to describe surfaces that are level and smooth. Also used for emotionless voices or unsuccessful attempts.
- The table has a flat surface.
- We walked on the flat ground in the park.
Usage Notes & Nuance
apartment: In American English, 'apartment' is standard; in British English, 'flat' is more common.
How to Remember the Difference
Americans live in apartments; the British live in flats.
Common Mistakes with apartment and flat
Mistake with apartment
Wrong: I live in the apartment.
Correct: I live in an apartment.
Use indefinite article 'an' for first mention; 'the apartment' only after it's been identified.
Mistake with apartment
Wrong: The apartment building are very tall.
Correct: The apartment building is very tall.
The subject 'building' is singular, so use 'is', not 'are'.
Mistake with flat
Wrong: The floor is so flat and smooth.
Correct: The floor is flat and smooth.
'Flat' already describes smoothness; 'flat and smooth' is redundant in some contexts but acceptable for emphasis.
Mistake with flat
Wrong: He speak in a flat voice.
Correct: He speaks in a flat voice.
Third person singular verb needs 's' with 'he'. 'Speak' becomes 'speaks'.
Practice Quiz: apartment or flat?
Choose the word that best completes each real example sentence.
Question 1
My _____ has two bedrooms and a kitchen.
Question 2
They found a nice _____ near the city center.
Question 3
Urban _____ living requires adapting to shared spaces and noise from neighbours.
Pick at least one answer, then press Check answers to see how you did.
You scored 0 out of 3
Frequently Asked Questions About apartment vs flat
What’s the difference between “apartment” and “flat”?
Apartment (American) and flat (British) mean the same thing but differ by region.
When should I use “apartment”?
Use when referring to residential units in multi-unit buildings. Say 'I live in an apartment' or 'an apartment for rent'.
When should I use “flat”?
Use 'flat' to describe surfaces that are level and smooth. Also used for emotionless voices or unsuccessful attempts.
How can I remember apartment vs flat?
Americans live in apartments; the British live in flats.
Is it “apartment” or “flat” in example sentences?
Use the quiz above to test the pair with real example sentences from the available word data.