Perhaps the greatest topographical change in the London of Dickens' day was the opening, on November 6, 1869, of the Holborn Viaduct. This improvement was nothing short of the actual demolition and reconstruction of a whole district, formerly either squalid, over-blocked, and dilapidated in some parts, or oversteep and dangerous to traffic in others. But a short time before that same Holborn Valley was one of the most heartbreaking impediments to horse traffic in London, with a gradient on one side of one in eighteen, while opposite it was one in twenty. Thus everything on wheels, and every foot-passenger entering the City by the Holborn route, had to descend twenty-six feet to the Valley of the Fleet, and then ascend a like number to Newgate. The new Viaduct levelled all this, and made the journey far easier than that by Ludgate Hill.

The greatest architectural work which took shape in London during Dickens' day was the construction of the new Houses of Parliament.

Associated intimately with Dickens' first steps to success were the old buildings, which were burned in 1834. Here he received his first regular journalistic employment, as reporter for the True Sun, an event which soon led to the acceptance of his writings elsewhere. Some discussion has recently been rife in London concerning the name of the paper with which Dickens had his first Parliamentary employment.

According to Forster, Dickens was in his twenty-third year when he became a reporter on the Morning Chronicle. At this time the Chronicle was edited by John Black, who had conducted it ever since Perry's death, and the office of the paper from June, 1834, until it died in 1862, was 332 Strand, opposite Somerset House, a building pulled down under the Strand improvement scheme. It had then been for nearly forty years—ever since the Chronicle vacated it, in fact—the office of another newspaper, the Weekly Times and Echo. It may be worth while to add that Dickens first entered "The Gallery" at the age of nineteen, as reporter for the True Sun, and that he afterward reported during two sessions for the Mirror of Parliament before he joined the staff of the Morning Chronicle.

The new Houses of Parliament form one of the grandest administrative piles of any city in the world, built though, it is feared, of a stone too soon likely to decay, and with a minuteness of Gothic ornament which is perhaps somewhat out of keeping with a structure otherwise so massive.

The House of Peers is 97 feet long, 45 wide, and 45 high. It is so profusely painted and gilt, and the windows are so darkened by deep-tinted stained glass, that it is with difficulty that the details can be observed. At the southern end is the gorgeously gilt and canopied throne; near the centre is the woolsack, on which the lord chancellor sits; at the end and sides are galleries for peeresses, reporters, and strangers; and on the floor of the house are the cushioned benches for the peers. Two frescoes by David Maclise—"The Spirit of Justice" and "The Spirit of Chivalry"—are over the strangers' gallery, as well as a half-dozen others by famous hands elsewhere. In niches between the windows and at the ends are eighteen statues of barons who signed Magna Charta. The House of Commons, 62 feet long, 45 broad, and 45 high, is much less elaborate than the House of Peers. The Speaker's chair is at the north end, and there are galleries along the sides and ends. In a gallery behind the Speaker, the reporters for the newspapers sit. Over which is the ladies' gallery, where the view is ungallantly obstructed by a grating. The present ceiling is many feet below the original one, the room having been to this extent spoiled because the former proportions were bad for hearing.

Plan of the Houses of Parliament, 1844

On the side nearest to Westminster are St. Stephen's Porch, St. Stephen's Corridor, the Chancellor's Corridor, the Victoria Tower, the Royal Staircase, and numerous courts and corridors. At the south end, nearest Millbank, are the Guard Room, the Queen's Robing-Room, the Royal Gallery, the Royal Court, and the Prince's Chamber. The river front is mostly occupied by libraries and committee-rooms. The northern or Bridge Street end displays the Clock Tower and the Speaker's Residence. In the interior of the structure are vast numbers of lobbies, corridors, halls, and courts. The Victoria Tower, at the southwest angle of the entire structure, is a wonderfully fine and massive tower; it is 75 feet square and 340 feet high. The clock tower, at the north end, is 40 feet square and 320 feet high, profusely gilt near the top. After two attempts made to supply this tower with a bell of fourteen tons weight, and after both failed, one of the so-called "Big Bens," the weight of which is about eight tons (the official name being "St. Stephen"), now tells the hour in deep tones. There are, likewise, eight smaller bells to chime the quarters. The clock is by far the largest and finest in England. There are four dials on the four faces of the tower, each 22½ feet in diameter; the hour figures are 2 feet high and 6 feet apart; the minute marks are 14 inches apart; the hands weigh more than 2 cwt. the pair; the minute hand is 16 feet long, and the hour hand 9 feet; the pendulum is 15 feet long and weighs 680 lbs. The central tower rises to a height of 300 feet.