London City Airport is demanding assurances that Foster & Partners’ proposed Tulip tower in the City will not interfere with radar systems before it is granted planning consent, it has emerged.

Fosters last week unveiled proposals for the 305m tourist attaction which was designed for Gherkin owner Jacob J Safra and would be built just metres away from the distinctive 30 St Mary Axe office building.

The practice’s plans for the Tulip were lodged with City of London earlier this month, but the east London airport has already responded to the proposals by voicing fears over the maximum construction height and the completed structure’s potential to interfere with air-traffic signals.

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