Subject to a successful planning application, the supermarket and culinary school will see the restoration and refurbishment of the Grade II-listed Midland Goods Shed and the East Handyside Canopy.
Applications for reserved matters approval and listed building consent are likely to be submitted in May. If successful, work will start in late 2013 with the project set to open in spring 2015.
Architect Bennetts Associates has been appointed to draw up plans to restore and convert the building and structure. It will also create 25,000 sq ft of offices alongside the store.
The goods shed was originally built in 1850 by the Great Northern Railway as the temporary Maiden Lane passenger railway station while the original King’s Cross station was under construction.
The decision to open a second Waitrose Cookery School came after Waitrose reached an agreement with King’s Cross Central Limited Partnership to open it alongside a new Waitrose food shop.
Richard Meier, Partner at Argent, Asset Manager for KCCLP, said: “It is fantastic to have a quality brand like Waitrose sign up at King’s Cross.
“We are creating a truly mixed-use development and this supermarket and cookery school will become an everyday attraction both for the residents, students, workers and visitors already on site, as well as the wider local community.
“King’s Cross is becoming a retail and restaurant destination and this Waitrose shop will create a shopping experience with a different, located within the restored Grade II listed buildings.”