The talent show for amateur designers was presented by Joe Swift, Ann Marie Powell and James Alexander Sinclair. It attracted almost two million viewers when it aired over four nights on BBC2 ahead of the RHS Chelsea Flower Show this May.
But Biggs said: "I think it will be a one-off. We have ideas for that space linked to Greening Grey Britain. It is a good way to get the message over via Chelsea." The BBC refused to comment.
This year's winner, Northumberland nurse Sean Murray, won a chance to design a front garden on Chelsea's main avenue.