Fraser Bond are the leading lettings and property management agents for Space House - London WC2B. Space House refurbishment of the Grade II listed building at One Kemble Street and 43-59 Kingsway in Holborn, London WC2. The building was originally completed in 1968 as offices to the designs of Richard Seifert & Partners. It was first occupied in 1975 by the Civil Aviation Authority CAA after being empty for the first seven years. References: 1. Historic England List Entry Number: 1421847. Date first listed: 26.01.2015. 2. Space House Proposals spacehouseproposals.co.uk.