Cracks are visible on some of the chimneys and need to be rebuilt for safety reasons and to ensure they last, say the developers.
But campaigners say taking the chimneys down will ruin the character of the building.
A small group of people dressed as monkeys gathered outside the station today with placards claiming the company behind the development 'don't give two monkeys' for the iconic building.
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A close associate of hate preacher Anjem Choudary has been jailed for knocking a boy unconscious because he was cuddling his girlfriend.
The tar-like mixture of oil and diesel covered the birds, who were carried away in protective bags to be treated at a sanctuary.
Alin-Cristi Lazar was caught putting the devices on the ticket machines around three stations on the Tube network.