The fantasy of domesticity and women is that wherever we go, we are the angel in the house. It does help, it civilizes and humanizes, it makes others feel happy, it demonstrates love. But when you start doing that work, you are choosing not to focus on other work. And it is all too convenient for others to praise that domesticity and take a free ride. Other forms of work are not loaded with "demonstrating love". So buying into that whole package of ideas means that you are tying your willingness to provide free labor (often for men) to your essential value as a person, to your "goodness" at human relationships.
Many girls are raised to associate personal decency and self-respect—indeed, their sense of femininity—with the neatness, comfortableness, and hospitality of any space they inhabit (however temporarily). The sense of responsibility this fosters often leads not only to women automatically pitching in to do the “shit work” she encounters outside her own home, but also to a sense of proprietary territoriality in which one woman may see another’s working in her kitchen, for instance, as a violation of her space, even if the chore she performs is as lowly as sweeping the floor. As a feminist, I’ve long since come to understand that it’s retrograde to denigrate such work (which includes far more than housework) by that label, since this is necessary work that must be done (over and over and over again). In a world in which feminism no longer needs to exist, everyone will do this work to the extent that they are able and everyone will feel a sense of responsibility for it. (In real life, this can actually happen in households: it may take 25 or 30 years, but it’s not impossible.)
In fictional narratives, of course, it’s more complicated than that, as both oursin’s and badgerbag’s posts discuss.