Fraser Bond are the leading lettings and property management agents for 17-18 Three Kings Yard - London W1K. 17-18 Three Kings Yard is a development site in Mayfair, London W1. 2019 August - The development was for sale through Carter Jonas. 2017 June - Permission for: Demolition of the existing building and redevelopment to provide a five storey building consisting of lower ground, ground and first to fourth floor levels to provide 10 residential units (comprising of 2 x 1 bedroom units 2 x 2 bedroom units and 4 x 3 bedroom units) with associated car and cycle parking. Design by BB Partnership..