Isle of Dogs Station is one of seven new underground stations in central London proposed as part of the Crossrail scheme. It will be situated within the West Indian North Dock, adjacent to the existing Canary Wharf development, and will provide access to existing and future developments within the locality.

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The form was developed in direct response to the different functions of the building whilst respecting the development constraints which apply to the site. It consists of a timber frame lattice structure and ETFE enclosure which envelopes a multi level underground transit station, retail, restaurant and public park. The horizontal proportions of the building and its location in the dock immediately conjured nautical references and the idea that the building should be designed as if it were an element floating in the water. With this concept in mind, the external building shape has been refined through a number of iterations to provide a streamlined elegant geometry to that of a ship. Key elements that have had to be incorporated in the development of the form have been the pedestrian and road bridge interfaces, the park, the interfaces with the station ventilation shafts and the relationship with promenade level and the dock.

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The landscaped park on the roof of the shops and cafes will use lush native plant species and water features, encouraging the ecological biodiversity of the Canary Wharf Estate and surrounding areas. It will be generally open-air except for the elegant timber lattice roof, providing shelter in bad weather and offering views of the dock and beyond.