After his coronation at Westminster in 1066, he built the Tower of London within the Roman city walls in order to dominate and expand the mercantile community as well as to control access to the port.
Pärast kroonimist Westminsteris aastal 1066 rajas ta rooma linnamüüride vahele Londoni Tower’i, et juhtida ja laiendada kaubandustegevust, samuti kontrollida juurdepääsu sadamale.