The winner of this year’s Stirling Prize has called for a carbon tax on developers who build car-dependent suburbs.

Annalie Riches, co-founder of architect Mikhail Riches, which won the nation’s biggest architecture award for its Goldsmith Street social housing in Norwich, said it would help level the playing field for developers trying to do the right thing.

Those who take advantage of easy pickings on greenfield sites without thinking about the wider impact of their schemes would start behaving more responsibly if financial pressure were applied, she said.

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