Criterion Capital is understood to be in talks to acquire Orion House in Covent Garden, WC2, from WELPUT, for more than £130m.
The 15-storey property provides around 100,000 sq ft of space, and is let to tenantsincluding The Office Group, which agreed to lease 37,687 sq ft on a 15-year lease in July last year, and investment manager Marathon Asset Management.
WELPUT, which is managed by BentallGreenOak, acquired Orion House in 2010 and has extensively refurbished the property.