A flurry of deals concluded in the past week include Minerva's £135m sale to German investors of its 90 High Holborn site, home to lawyers Olswang, while Canary Wharf sold 15 Westferry Circus, one of Morgan Stanley's Docklands bases, to Irish investors for £134.75m, chalking up a £21.75m premium over the valuation put on the building only last June.