There are two distinct locations in this book; Thrushcross Grange and Wuthering Heights. Thrushcross Grange was the home in which the Linton’s resided in and is being used in the beginning of the novel as the living quarters for Heathcliff’s tenant, Mr. Lockwood. The way that Thrushcross Grange is described later in the book makes is sound very grand. “A splendid place carpeted with crimson , and crimson-covered chairs and tables, and a pure white ceiling bordered by gold, a shower of glass-drops hanging in silver chains from the centre, and shimmering with little soft tapers.” (page 43-44). Gold is often connected with wealth so this room seems to show how wealthy the Linton’s are and how grand Thrushcross Grange is compared to Wuthering Heights.
Wuthering Heights, on the other hand, was the home of the Earnshaw’s. Though Heathcliff owned both of them at the beginning of the novel, he chose to reside here. From the descriptions in the book, it seems to be that Wuthering Heights is more humble that its counterpart. You can infer this from the description of the entrance. “…Among a wilderness of crumbling griffins and shameless little boys, I detected the date ‘1500,’ and the name ‘Hareton Earnshaw.’” (page 2). From this page, it also seems like Wuthering Heights is somewhat fortress like in its design, having the windows deeply set into the walls. Also, Mr. Lockwood remarks that there is no entry passage, and that one steps directly into the sitting room. This seems to display that the house is not as grand as others might be.
It is pretty obvious that Heathcliff does not like Edgar Linton. “We laughed outright at the petted things; we did despise them!” (page 44). The Linton’s are all very rude to Heathcliff in fact, declaring that he is unfit for their house and not allowing him to stay with Cathy when she was injured. They also insisted that he be kept away from their children, as if he was some kind of animal. “…Mrs. Linton begged that her darlings might be kept carefully apart from that ‘naughty swearing boy.’” (page 50).
Cathy definitely changes during her stay at Thurshcross Grange. “…And her manners much improved. The mistress visited her often in the interval, and commenced her plan of reform by trying to raise her self-respect with fine clothes and flattery, which she took readily; so that, instead of a wild, hatless little savage jumping into the house, and rushing to squeeze us all breathless, there lightened from a handsome black pony a very dignified person, with brown ringlets falling from the cover of a feathered beaver, and a long cloth habit, which she was obligated to hold up with both hands that she might sail in.” (page 48). She also seems changed in that fact that she comments about Heathcliff being dirty, and that she is so used to the Linton children. It seems this hurts Heathcliff’s feelings, and he tries to be ‘good’ when the Linton’s visit.
It seems to be that the reason behind Heathcliff staying at Wuthering Heights is because of his extreme dislike of the Linton’s, and Edgar Linton in particular.