Henry had character and the foresight to build up a centralized system of government that would survive him. He learned about the counties' and villages' varying laws and customs. Then, using the model of Roman law, he gave to English institutions that unity and system which in their casual patchwork development had been lacking. Henry's government and courts forged permanent direct links between the king and his subjects which cut through the feudal structure of lords and vassals.

He developed the methods and structure of government so that there was a great increase in the scope of administrative activity without a concurrent increase of personal power of the officials who discharged it. The government was self-regulating, with methods of accounting and control which meant that no official, however exalted, could entirely escape the surveillance of his colleagues and the King. At the same time, administrative and judicial procedures were perfected so that much which had previously required the King's personal attention was reduced to routine.

The royal household translated the royal will into action. In the early 1100s, there had been very little machinery of central government that was not closely associated with the royal household. There was a Chief Justiciar for legal matters and a Treasurer. Royal government was largely built upon what had once been purely domestic offices. Kings had called upon their chaplains to pen letters for them. By Henry II's reign, the Chancery was a highly efficient writing office through which the King's will was expressed in a flow of writs, and the Chancellor an important and highly rewarded official, but he was still responsible for organizing the services in the royal chapel. Similarly, the chamberlains ran the household's financial departments. They arranged to have money brought in from a convenient castle treasury, collected money from sheriffs or the King's debtors, arranged loans with the usurers, and supervised the spending of it. It was spent for daily domestic needs, the King's almsgiving, and the mounting of a military campaign. But they were still responsible for personal attendance upon the king in his privy chamber, taking care of his valuable furs, jewels, and documents, and changing his bed linens. There were four other departments of the household. The steward presided over the hall and kitchens and was responsible for supplying the household and guests with food supplies. The butler had duties in the hall and cellars and was responsible for the supply of wine and ale. The marshall arranged lodgings for the King's court as it moved about from palaces to hunting lodges, arranged the pay of the household servants, and supervised the work of ushers, watchmen, fire tenders, messengers and huntsmen. The constable organized the bodyguard and escorts, arranged for the supply of castles, and mustered the royal army. The offices of steward, constable, chamberlain, butler were becoming confined to the household and hereditary. The Justiciar, Chancellor, and Treasurer are becoming purely state offices and are simply sold or rented, until public pressure resulted in a requirement of ability.

Henry's council included all his tenants-in-chief, which included archbishops, bishops, abbots, priors, earls, barons, knights and socage tenants of the crown, whether they made payments directly to him or through a sheriff. The higher ones were served with a writ addressed to them personally. Knights and below were summoned by a general writ to the sheriff.

Henry brought order and unity by making the King's Royal Court the common court of the land. Its purpose was to guard the King's peace by protecting all people of free status throughout the nation and correct the disparity in punishments given by local courts. Heretofore, the scope of the King's peace had varied to cover as little as the King's presence, his land, and his highway. The royal demesne had shrunk to about 5% of the land. The Common Law for all the nation was established by example of the King's Royal Court. Henry erected a basic, rational framework for legal processes which drew from tradition but lent itself to continuous expansion and adaptation.

A system of writs originated well-defined actions in the royal courts. Each court writ had to satisfy specific conditions for this court to have jurisdiction over an action or event. This system determined the Royal Court's jurisdiction over the church, lords, and sheriffs. It limited the jurisdiction of all other courts and subordinated them to the Royal Court. Inquests into any misdeeds of sheriffs were held, which could result in their dismissal.

Henry and Eleanor spoke many languages and liked discussing law, philosophy, and history. So they gathered wise and learned men about them, who became known as courtiers, rather than people of social rank. They lived in the great and strong Tower of London, which had been extended beyond the original White Tower, as had other castles, so that the whole castle and grounds were defended instead of just the main building. The Tower of London was in the custody of one of the two justiciars. On the west were two strongly fortified castles surrounded by a high and deeply entrenched wall, which had seven double gates. Towers were spaced along the north wall and the Thames River flowed below the south wall. To the west was the city, where royal friends had residences with adjoining gardens near the royal palace at Westminster. The court was a center of culture as well as of government. The game of backgammon was played. People wore belts with buckles, usually brass, instead of knotting their belts.

London extended about a mile along the Thames and about half a mile inland. It had narrow twisting lanes, some with a ditch down the middle for water runoff. Most of its houses were two stories, the ground floor having booths and workshops, and the upper floor living space. Most of the houses were wooden structures. The richer merchants' and knights' houses were built of stone. Walls between houses had to be stone to a height of 16 feet and thatched roofs were banned because there had been many fires. There was poor compliance, but some roofs were tiled with red brick tiles. The population was about 40,000. There were over 126 churches for public worship, thirteen monasteries (including nunneries), and St. Paul's Cathedral. All were built of stone. The churches gave a place of worship for every 300 inhabitants and celebrated feast days, gave alms and hospitality to strangers, confirmed betrothals or agreements of marriage, celebrated weddings, conducted funerals, and buried the dead. The synod of Westminster of 1175 prescribed that all marriages were to be performed by the church. Church law required a warning prior to suspension or excommunication. Monastic, cathedral, and parish schools taught young boys grammar so they could sing and read in church services. Nuns taught girls. Fish but no meat was eaten on Fridays. There was dark rye bread and expensive white wheat bread. Vegetables included onions, leeks, and cabbage. Fruits included apples, pears, plums, cherries, and strawberries. Water was obtained from streams running through the town to the Thames and from springs. Only the rich, palaces, and churches could afford beeswax candles; others had homemade tallow [cow or sheep fat] candles which smelled and gave off smoke. Most people washed their bodies. Even the poor had beds and bed clothes. Few babies survived childhood. If a man reached 30, he could expect to live until age 50. Thousands of Londoners died during a hot summer from fevers, plague and the like.

In London, bells heralded the start and finish of all organized business. The sellers of merchandise and hirers of labor were distributed every morning into their several localities according to their trade. Vendors, craftsmen, and laborers had their customary places. Some vendors walked the streets announcing their wares for sale. There were craft guilds of bakers, butchers, cloth workers, and saddlers, as well as of weavers. Vendors on the Thames River bank sold cooked fish caught from the river and wine from ships and wine cellars. Cook shops sold roasted meats covered with hotly spiced sauces.

London Bridge was built of stone for the first time. It was supported by a series of stone arches standing on small man-made islands. It had such a width that a row of wood houses and a chapel was built on top of it. In the spring it was impassable by ships because the flow of water under it varied in height on either side of the bridge by several feet at half tide. The bridge had the effect of slowing down the flow upstream, which invited wherries and rowboats and stately barges of the nobility. In winters in which it froze over, there was ice skating, ice boating, and fishing through holes in the ice.