A large London college had resistance, offering places to everyone? (3-6)

I believe the answer is:

all-seater

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'places to everyone?' is the definition.
I know nothing about this answer so I cannot tell whether it can be defined by this definition.

'a large london college had resistance' is the wordplay.
'large' becomes 'L' (eg in clothes sizes).
'london college' becomes 'lse' (London School of Economics).
'had' becomes 'ate' ('have' can mean 'eat').
'resistance' becomes 'r' (abbreviation in physics and electronics).
'a'+'l'+'lse'+'ate'+'r'='ALL-SEATER'

'offering' is the link.

Can you help me to learn more?

I've seen this clue in The Times.

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