Pair want to build 37-storey block with more than 560,000 sq ft of offices
The Japanese investor plans to redevelop the 130,000 sq ft 1990s office block
Insurer’s investment arm now owns entirety of former Barclays HQ with Obayashi
Wong’s Tenacity Group to build 34-storey tower after planners gave green light
Tenacity’s 55 Gracechurch Street set to be given approval next week
Project will provide around 600,000 sq ft of office and retail space
Patrick Wong’s Tenacity Group is proposing to turn 55 Gracechurch Street into a 31-storey tower