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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
at the third floor
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "at the third floor" is not correct in standard English; it should be "on the third floor." You can use it when referring to a specific location within a building.
Example: "The meeting will take place on the third floor of the office building."
⚠ May contain grammatical issues
News & Media
Academia
Science
Alternative expressions(20)
on the second floor
on the upper level
on the ground floor
on the first floor
on the second take
on the third try
on the second hole
on the second row
on the second try
the second time around
on the second attempt
on the subsequent attempt
on the second play
on the next try
at the second attempt
on the second night
on the first try
after a second attempt
in the second instance
at the next attempt
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
20 human-written examples
At the Third Floor Gallery, Cardiff until 4 September 2011.
News & Media
I stepped back and looked up at the third floor.
News & Media
We stare up at the third floor – Sue-Patt's flat.
News & Media
He stopped true at the third floor, and they stepped off into the men's grill.
News & Media
When you arrive at the third floor walk through the double glass doors into the Suite of Centers.
Academia
He turned up at the third floor flat in the middle of the night with West and Mitchell.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
40 human-written examples
Along the Ticino, water lapped at the third floors of evacuated palazzos in Pavia, the Roman-era town in Lombardy.
News & Media
Dinner will be at 6 00 pm, on the third floor.
Academia
Public galleries are at both ends of the third floor.
Wiki
He stalled at the eleventh floor.
News & Media
Some people balk at the thirteenth floor in hospitals.
News & Media
Expert writing Tips
Best practice
Always use "on the third floor" instead of "at the third floor" for correct grammar. The preposition "on" is used to indicate a specific surface or level.
Common error
Avoid using "at" when referring to floors within a building. "At" typically indicates a general location or address, not a specific level.
Source & Trust
89%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase functions as a prepositional phrase indicating location. Although Ludwig AI highlights that the grammatically correct form is "on the third floor", the search results show the expression "at the third floor" in various contexts.
Frequent in
News & Media
35%
Academia
30%
Science
35%
Less common in
Formal & Business
0%
Wiki
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "at the third floor" is commonly used but grammatically incorrect; the correct form is "on the third floor". While "at the third floor" appears in various sources, including news, academic, and scientific contexts, sticking to the standard "on the third floor" ensures clarity and grammatical correctness. According to Ludwig AI, using the preposition "on" is always preferred. Consider context and register when choosing which phrase to use, favoring the grammatically correct option in formal settings.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
on the third floor
Uses the correct preposition "on" instead of "at" to indicate location.
located on the third floor
Specifies that something is situated on the third floor.
situated on the third floor
Highlights the location or setting.
on level three
Uses "level" instead of "floor", which is suitable in some contexts.
on the third story
Replaces "floor" with "story", offering a similar meaning.
positioned on the third floor
Emphasizes the placement or positioning.
at the height of the third floor
Focuses on the height relative to the third floor.
occupying the third floor
Indicates that the third floor is being used or inhabited.
the third floor location
Uses a noun phrase to describe the third floor's position.
reached the third floor
Implies an action of arriving at the third floor.
FAQs
How to correctly say where something is located in a building?
Use "on the [number] floor", for example, "The office is "on the second floor"".
Why is "on the third floor" grammatically better than "at the third floor"?
The preposition "on" is used to specify a surface, level, or position on a vertical plane, making it the correct choice for indicating a floor in a building.
Can I use "at the third floor" in any context?
While grammatically incorrect in standard English, it may be used colloquially, but "on the third floor" is always the preferred and clearer option.
What are some alternatives to saying "on the third floor"?
Depending on context, you could use phrases like "level three", "third story", or "third level".
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
89%
Authority and reliability
3.8/5
Expert rating
Real-world application tested