Crossword Genius

One of those awfully good fellows in the building (5)

Ross

I believe the answer is:

brick

I'm a little stuck... Click here to teach me more about this clue!

'building' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Perhaps there's a link between them I don't understand?

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for brick that I've seen before include "dropped?" , "Clay building block" , "Good guy" , "Building material" , "Rectangular block for building" .)

I've seen this clue in the Evening Standard.
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