Listeners of BBC Radio 4's Today programme have picked Foster and Partners'Great Court as their choice for the 2003 Stirling Prize, taking 30 per cent of a public vote.
The poll of 2,000 listeners also put Sutherland Hussey Architects' Tiree ferry terminal, the bookies' rank outsider, in second place with 29 per cent.
Third place, with 21 per cent, went to Bill Dunster Architects' BedZED in Wallington, Surrey, while the bookies' favourite - Herzog & de Meuron's Laban Centre - was ranked just fourth, with 12 per cent.
The listening public seems least convinced by Eric Parry Architects' office building at 30 Finsbury Square, which received 5 per cent of the public vote, and Ian Ritchie Architects' Plymouth Theatre Royal Production Centre, with just 3 per cent.
Judging chair Eric Parry promised that the panel 'would watch the influential poll with great interest'.
'Architecture is the most public of the arts, and the public are severe critics, ' he said. 'Everyone has an opinion.'