THIS BRANCH IS NOW CLOSED. Established in 1890, Hamptons International offers an extensive portfolio of upscale UK and international property marketed via 85 offices, including the Buckingham branch. Entrust this leading residential property company with sourcing the perfect home for sale - or employ one of their dedicated property-based services. With its head office based on London's prestigious Oxford Street, Hamptons International estate agencies offer potential homebuyers cohesive coverage of the South of England and the capital - and also an extensive portfolio of properties abroad via their global network. For privileged access to local, national and international real-estate markets, consider Hamptons International: one of the world's most valuable residential property groups.