Film director does repairs round house at last (6)

I believe the answer is:

mendes

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'film director does repairs' is the definition.
I can't judge whether this defines the answer.

'round house at last' is the wordplay.
'round' indicates putting letters inside.
'house at' becomes 'mes' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'last' becomes 'end'.
'mes' enclosing 'end' is 'MENDES'.

Can you help me to learn more?

I've seen this clue in The Independent.

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