The wards had already alerted him to someone coming and the elves supplied him with the information on who and what he was bringing before there was even a knock on the door. Smirking, Theo told Samsy to go and fetch the polyjuice he had arranged for and headed to meet his guest, letting the other elves relieve him of his burden.
'Higgs,' he said pleasantly. 'I'm glad you were able to arrange for this so fast.'
He moved to shake the man's hand. 'Should we talk in the study?' he then offered, gesturing upstairs. 'The elves will handle the birds for now, and we can discuss how we're going to arrange this to the best of our abilities.'