The ristrutturature took place between three years and the 23rd of December 1735, the London Daily Post said: “Ieri, Lord Robert Walpole, with his wife and family, are from his house in St James's Square, to bring all the new dimora that is confined with the Treasury in St James's Park.”
La ristrutturazione dur tre anni, e il 23 settembre 1735, il London Daily Post annunci che: "Ieri, Lord Robert Walpole, con la sua signora e famiglia si mosse dalla sua casa in St James's Square, per portarsi alla nuova dimora che confina con la Treasury in St James's Park."[34].