St Pancras International, which houses a plethora of shops and other commercial units, has been awarded by the Royal Institute of Chartered Surveyors.
The building was named Project of the Year by the group which praised it for its impact on the surrounding areas.
More than £800 million was spent on transforming the station which inspired the nearby Regent Quarter – now a mix of new and refurbished commercial property, homes, a hotel and retail space.
Simon Pott, chairman of the judges, said: “This project is a remarkable example of a carefully designed and completed building project that is delivering powerful regeneration in the surrounding area.
“St Pancras International delivers not only excellent functionality, but a stylish and beautiful destination that loses none of its original charm. It is a truly exceptional project.”
On November 14th 2007, the first Eurostar service from St Pancras International set off with its high speed trains cutting journey times by up to 20 minutes.