 By 2016, 52% of the flats had been sold on long leases under the Right to Buy scheme provisions brought in by the Thatcher government; when subsequently sold, leases have proved attractive, and command prices in line with the surrounding area.After two decades of abortive proposals to repair the two bespoke curtain walls of Great Arthur House, John Robertson Architects was finally selected by tender to replace them.Dating from 1959, the aluminium and glass system was leaking and not performing to modern thermal standards.