Lendlease has begun pitching a $1.8 billion office development in the Sydney CBD to potential capital partners while undertaking exclusive due diligence on a luxury apartment project in central Melbourne, as it moves quickly to lock in the $4.5 billion turnaround plan unveiled last week.

On Wednesday, chief executive Tony Lombardo and local boss Dale Connor delivered a presentation on development opportunities in Australia to wholesale investors on its funds management platform, according to industry sources.