Kim Wilkie, who was responsible for various high-profile landscape projects including the V&A Museum Garden and the "Orpheus" project for the grade I listed Broughton House park, will present his competition-winning scheme for the 5.2ha site. Wilkie took on the project after Prince Charles was said to have objected to the first proposal by Lord Rogers.
He said a confidentiality agreement ruled out comment until the design's official unveiling at a joint Landscape Institute and Garden Museum conference on Monday (7 June). But early conceptual sketches show buildings arranged in Georgian-like squares surrounding landscaped areas and tree-lined roads.
Wilkie said he was unable to comment on the ongoing legal battle between the property developer led by the high-profile Candy brothers and a Qatari firm.
The brothers' firm CPC Group and Qatari Diar Real Estate Investment Co bought the site near Sloane Square in 2007. They submitted a planning application with Westminster. The brothers sold their share to the Qatari firm with a promise of around £80m when planning approval was granted. The project was withdrawn after Prince Charles was alleged to have said he disapproved of the design.
A Landscape Institute representative said: "This will be the first public view of a mould-breaking collaboration with architect Michael Squire. Wilkie will argue that all professions should unite to persuade politicians and planners to share a holistic vision."